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Home My WebLink About20033159.tiff COGIS - Query Process Page 1 of 2 CG C, `- 19,g — 3 (Da COGIS - Fattfy Query Results ((No - 7 You requested facilities by: 'WELL' O Maximum records are limited to: Unlimited - Expect Delays! P Q <<� 1 For detail information: Click on facility type. a dd 47(a7 Search Results -33 record(s) returned. Facility ID/ Facility Name/ Operator Name/ Facility Type API Statu Number Number WELL 05-123-09335 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 41-4 100160 WELL 05-123-10439 B B DRAW H PATINA OIL & GAS CORPORATION PR 4-1J 67305 WELL 05-123-16602 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 41-4 100160 WELL 05-123-16574 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 21-4C 100160 WELL 05-123-20938 ALLISON H PATINA OIL& GAS CORPORATION PR 4-3 JI 67305 WELL 05-123-09330 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 21-4 100160 WELL 05-123-09565 FEDERAL ENCANA ENERGY RESOURCES INC. PR 43-4 100160 WELL 05-123-16912 ARISTOCRAT 2-4 BATTERY ENCANA ENERGY RESOURCES INC. PR 43-4C 100160 WELL 05-123-16572 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 23-4C 100160 WELL 05-123-20943 BB DRAW H PATINA OIL& GAS CORPORATION PR 4-11JI 67305 WELL 05-123-09332 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 23-4 100160 WELL 05-123-20939 ALEXANDER H PATINA OIL& GAS CORPORATION PR 4-2JI 67305 WELL 05-123-13661 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 31-4 100160 WELL 05-123-10421 B B DRAW H PATINA OIL& GAS CORPORATION PR 4-2J 67305 WELL 05-123-16408 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 11-4 100160 WELL 05-123-13662 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 33-4 100160 WELL 05-123-16449 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 13-4 100160 WELL 05-123-12720 ARISTOCRAT ENCANA ENERGY RESOURCES INC. PR 42-4C 100160 WELL 05-123-21122 BB DRAW H PATINA OIL & GAS CORPORATION PR 4-8 JI 67305 WELL 05-123-20531 BB DRAW H PATINA OIL & GAS CORPORATION PR 4-6JI 67305 WELL 05-123-13659 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 22-4 100160 ARISTOCRAT 2-4 BATTERY ENCANA ENERGY RESOURCES INC. WELL 05-123-16943 PR 44-4F E7CIT 2003-3159 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - Query Process Page 2 of 2 WELL 05-123-13660 ARISTOCRAT BATTERY 4-4A ENCANA ENERGY RESOURCES INC. SI 24-4 100160 WELL 05-123-09333 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 32-4 100160 WELL 05-123-20457 BB DRAW H PATINA OIL& GAS CORPORATION PR 4-7J1 67305 WELL 05-123-16573 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 32-4C 100160 WELL 05-123-09331 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 12-4 100160 WELL 05-123-16570 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 12-4C 100160 WELL 05-123-09334 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 34-4 100160 WELL 05-123-10438 B B DRAW H PATINA OIL & GAS CORPORATION PR 4-4J 67305 WELL 05-123-10365 B B DRAW HCATTLE CO. PATINA OIL&GAS CORPORATION PR 4-3J 67305 WELL 05-123-16571 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 14-4C 100160 WELL 05-123-09300 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR 14-4 100160 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card L`• Related QInsp. Q MIT i GS at Doc If\A/ellbore a Order Surface Location Data for API # 05-123-09300 Status: PR Well Name/No: ARISTOCRAT ANGUS#144(Click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60911 County: WELD#123 Location: SWSW 4 3N 65V Field: ARISTOCRAT -#2925 Footages: 660 FSL 660 FWL DRLG Contr#: Elevation: 4,840 ft. Lat: 40.248942 Long: -104.674707 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 770979 Expiration Date: 1/29/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 40, Drill Unit: SWSW Wellbore Completed Compltn Date: 3/14/1978 Measured TD: 4620 Measured PB depth: 0 True Vertical TD: 4620 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth:431, Weight: Cement: Sacks: 300, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4609, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4470 Completed information for formation SUSX 1st Prod Date: 3/4/1978 Choke Size: 1,264.000 Status Date: 3/13/1978 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309300&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card E G Related Q Insp. Q MIT !GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-09334 Status: PR Well Name/No: ARISTOCRAT ANGUS_ #34-4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60912 County: WELD#123 Location: SWSE 4 3N 65V1 Field: ARISTOCRAT -#2925 Footages: 660 FSL 1980 FEI DRLG Contr#: Elevation: 4,812 ft. Lat: 40.248934 Long: -104.665259 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 771166 Expiration Date: 3/8/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit:W2SE Wellbore Completed Compltn Date: 5/23/1978 Measured TD: 4615 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 371,Weight: Cement: Sacks: 275, Top: 10000, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth:4613,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4440 Completed information for formation SUSX 1st Prod Date: 5/23/1978 Choke Size: 1,664.000 Status Date: 5/28/1978 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oi1-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309334&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card ti Related Q Inspa Cl MIT •GIS a Doc if Wellbore -)4 Order Surface Location Data for API # 05-123-09331 Status: PR Well Name/No: ARISTOCRAT ANGUS#12-4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60911 County: WELD#123 Location: SWNW 4 3N 65V Field: ARISTOCRAT -#2925 Footages: 1980 FNL 660 FW DRLG Contr#: Elevation: 4,830 ft. Let: 40.2563 Long: -104.674622 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 771163 Expiration Date: 3/8/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NW Wellbore Completed Compltn Date: 6/21/1978 Measured TD: 4630 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 353,Weight: Cement: Sacks: 275, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4628, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4390 BENTONITE 4549 Completed information for formation SUSX 1st Prod Date: 6/21/1978 Choke Size: 1,264.000 Status Date: 7/1/1978 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309331&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT • GIS lit Doc if Wellbore .1,l Order Surface Location Data for API # 05-123-09332 Status: PR Well Name/No: ARISTOCRAT ANGUS#23.4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60912 County: WELD#123 Location: NESW 4 3N 651/1 Field: ARISTOCRAT -#2925 Footages: 1980 FSL 1980 F\ DRLG Contr#: Elevation: 4,822 ft. Lat: 40.252563 Long: -104.669935 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 771164 Expiration Date: 3/8/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: S2SW Wellbore Completed Compltn Date: 5/25/1978 Measured TD: 4534 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 550,Weight: Cement: Sacks: 400, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size:4.5, Top: 0, Depth:4610, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4460 Completed information for formation SUSX 1st Prod Date: 5/25/1978 Choke Size: 1,364.000 Status Date: 5/31/1978 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309332&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card x Related 4 Insp. Cl MIT •GIS ®t Doc if Wellbore "14. Order Surface Location Data for API # 05-123-09333 Status: PR Well Name/No: ARISTOCRAT ANGUS#32-4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60912 County: WELD#123 Location: SWNE 4 3N 65V1 Field: ARISTOCRAT -#2925 Footages: 1980 FNL 1980 FE DRLG Contr#: Elevation: 4,808 ft. Lat: 40.256255 Long: -104.665282 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 771165 Expiration Date: 3/8/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NE Wellbore Completed Compltn Date: 4/18/1980 Measured TD: 4654 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 356,Weight: Cement: Sacks: 275, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4654, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4428 BENTONITE 4588 Completed information for formation SUSX 1st Prod Date: 3/24/1980 Choke Size: 0.000 Status Date: 8/16/1980 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309333&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT • GIS lit Doc if Wellbore .S Order Surface Location Data for API # 05-123-09330 Status: PR Well Name/No: ARISTOCRAT ANGUS#21-4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60912 County: WELD #123 Location: NENW 4 3N 65N Field: ARISTOCRAT -#2925 Footages: 660 FNL 1980 FW DRLG Contr#: Elevation: 4,831 ft. Lat: 40.259902 Long: -104.669849 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 771162 Expiration Date: 3/8/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NW Wellbore Completed Compltn Date: 3/10/1980 Measured TD: 4625 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 350, Weight: Cement: Sacks: 350, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 4620, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4452 Completed information for formation SUSX 1st Prod Date: 4/1/1980 Choke Size: 1,464.000 Status Date: 3/11/1980 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309330&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout El Related QInsp. Q MIT •GIS ra Doc if Wellbore - Orders Card Surface Location Data for API # 05-123-09565 Status: PR Well Name/No: FEDERAL#43-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55526 County: WELD#123 Location: NESE 4 3N 65W 6 PM Field: ARISTOCRAT -#2925 Footages: 1980 FSL 800 FEL DRLG Contr#: Elevation: 4,802 ft. Lat: 40.252556 Long: -104.661041 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 791269 Expiration Date: 12/10/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEDERAL Surface Owner: Unit: Unit Number: C-10009 Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: E2SE Wellbore Completed Compltn Date: 2/20/1980 Measured TD: 4601 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 250, Weight: Cement: Sacks: 200, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4624, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4430 Completed information for formation SUSX 1st Prod Date: 2/23/1980 Choke Size: 1,464.000 Status Date: 2/23/1980 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309565&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related 0 Insp, Q MIT •GIS a Doc ii Wellbore 4 Order Surface Location Data for API # 05-123-10421 Status: PR Well Name/No: B_B DRAW H#4-2J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 12/20/1981 Federal or State Lease#: 68234 County: WELD#123 Location: NWNW 4 3N 65W E Field: WATTENBERG -#90750 Footages: 990 FNL 990 FWL DRLG Contr#: Elevation: 4,833 ft. Lat: 40.259013 Long: -104.673408 Wellbore Data for Sidetrack #00 Status: PR 12/20/1981 Wellbore Permit Permit#: 811752 Expiration Date: 1/29/1982 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 12/1/1981 Measured TD: 7815 Measured PB depth: 7795 True Vertical TD: 7815 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 556, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7788, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6905 CARLILE 7220 GREENHORN 7270 J SAND 7665 Completed information for formation JSND 1st Prod Date: 12/1/1981 Choke Size: 0.000 Status Date: 12/1/1981 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310421&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Ell Related Q Insp. Q MIT O GIS a. Doc Y Wellbore - Order Surface Location Data for API # 05-123-10439 Status: PR Well Name/No: B B DRAW H #4-1J (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 1/6/1982 Federal or State Lease#: 68243 County: WELD#123 Location: NENE 4 3N 65W 61 Field: WATTENBERG -#90750 Footages: 990 FNL 990 FEL DRLG Contr#: Elevation: 4,810 ft. Lat: 40.258956 Long: -104.661743 Wellbore Data for Sidetrack #00 Status: PR 1/6/1982 Wellbore Permit Permit#: 811826 Expiration Date: 2/13/1982 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 1/6/1982 Measured TD: 7770 Measured PB depth: 7750 True Vertical TD: 7770 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: , Size: 8.625, Top: 0, Depth: 562, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: , Size:4.5,Top: 0, Depth: 7770, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6854 TIMPAS-CODELL 7134 J SAND 7610 Completed information for formation JSND 1st Prod Date: 1/6/1982 Choke Size: 0.000 Status Date: 1/6/1982 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310439&type=WELL 8/5/2003 COGIS - Monthly Well Production Page 1 of 3 COGIS - Monthly Well Production PRODUCTION DATA REPORT-- is GIS API#: 05-123-10439 Location: NENE 4 3N 65W Field: WATTENBERG Field Code: 90750 Facility Name: B B DRAW H Facility#: 4-1J Operator Name: PATINA OIL& GAS CORPORATION Operator#: 67305 PRODUCTION YEAR:All OIL BOM'Produced'Sold] Adj. I EOM IGravit Year Month Formation Sidetrack Well Days Product GAS Status Prod Prod Flared Used Shrinkage Sold BTU Oil -> 67 16 83 1999 Jan J SAND 00 PR 27 Gas-> 556 556 1,09 1999 Feb J SAND 00 PR 28 Oil -> 83 9 24 68 60. Gas-> 494 494 1,09 Oil -> 68 17 85 1999 Mar J SAND 00 PR 31 Gas-> 707 707 1,09 Oil -> 85 5 74 16 59. 1999 Apr J SAND 00 PR 30 Gas -> 617 617 1,09 O1999 May J SAND 00 PR 30 s 4 20 -> Gas-> 501 501 1,09 Oil -> 20 8 28 1999 Jun J SAND 00 PR 30 Gas-> 448 448 1,12 1999 Jul J SAND 00 PR 27 Oil -> 28 10 38 Gas-> 380 380 1,12 O1999 Aug J SAND 00 PR 31 Gass-> 38 14 52 -> 382 382 1,12 O1999 Sep J SAND 00 PR 17 s-> 52 10 62 Gas-> 403 403 1,12 Oil -> 62 78 67 73 60. 1999 Oct J SAND 00 PR 22 Gas-> 1,750 1,750 1,12 Oil -> 73 19 92 1999 Nov J SAND 00 PR 30 Gas -> 3,494 3,494 1,12 Oil -> 92 51 60 83 59. 1999 Dec J SAND 00 PR 30 Gas-> 3,080 3,080 1,12 Oil -> 83 26 66 43 59. 2000 Jan J SAND 00 PR 29 Gas-> 9,037 9,037 1,12 2000 Feb J SAND 00 PR 29 Oil -> 43 25 68 Gas-> 1,821 1,821 1,12 Oil -> 68 40 56 52 61. 2000 Mar J SAND 00 PR 31 Gas-> 1,822 1,822 1,12 2000 Apr J SAND 00 PR 30 Oil -> 52 21 73 Gas -> 1,792 1,792 1,12 Oil -> 73 21 59 35 62. 2000 May J SAND 00 PR 31 Gas-> 2,863 2,863 1,12 Oil -> 35 55 90 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=104... 8/5/2003 COGIS - Monthly Well Production Page 2 of 3 2000 Jun J SAND 00 PR 30 Gas-> 1,724 1,724 1,12 O2000 Jul J SAND 00 PR 31 Gas -> 90 5 95 -> 1,977 1,977 1,12 2000 Aug J SAND 00 PR 31 Oil -> 95 29 67 57 59. Gas-> 1,518 1,518 1,12 Oil -> 57 25 82 2000 Sep J SAND 00 PR P8 Gas-> 1,599 1,599 1,12 2000 Oct J SAND 00 PR 31 Oil -> 82 60 2 20 58. Gas -> 1,732 1,732 1,12 2000 Nov J SAND 00 PR 30 Oil -> 20 18 38 Gas-> 1,678 1,678 1,12 O2000 Dec J SAND 00 PR 31 Gass-> 38 17 55 -> 1,694 1,694 1,12 75 2001 Jan J SAND 00 PR 26 Gas Oil -> 20-> 1,11111 1,111 1,12 2001 Feb J SAND 00 PR 22 Oil -> 75 60 15 Gas-> 1,848 1,848 1,12 Oil -> 15 124 62 77 50. 2001 Mar J SAND 00 PR 31 Gas-> 2,645 2,645 1,12 O2001 Apr J SAND 00 PR 30 Gas s-> 77 15 92 -> 2,252 2,252 1,12 Oil -> 92 34 73 53 59. 2001 May J SAND 00 PR 31 Gas-> 2,921 2,921 1,12 2001 Jun J SAND 00 PR 30 Oil -> 53 24 77 Gas-> 2,539 2,539 1,11 2001 Jul J SAND 00 PR 31 Oil -> 77 8 85 Gas -> 2,501 2,501 1,11 2001 Aug J SAND 00 PR 21 Oil -> 85 25 80 30 58. Gas-> 1,684 1,684 1,11 Oil -> 30 13 43 2001 Sep J SAND 00 PR 23 Gas -> 1,830 1,830 1,11 Oil -> 43 45 88 2001 Oct J SAND 00 PR 26 Gas-> 2,509 2,509 1,11 2001 Nov J SAND 00 PR 25 Oil -> 88 6 66 28 61. Gas-> 2,477 2,477 1,11 2001 Dec J SAND 00 PR 31 Oil -> 28 19 47 Gas -> 2,992 2,992 1,11 Oil -> 47 35 82 2002 Jan J SAND 00 PR 25 Gas-> 2,197 2,197 1,10 Oil -> 82 -7 75 2002 Feb J SAND 00 PR 17 Gas-> 1,909 1,909 1,10 2002 Mar J SAND 00 PR 27 Oil -> 75 55 80 50 50. Gas-> 2,738 2,738 1,10 2002 Apr J SAND 00 PR 25 Oil -> 50 47 97 Gas-> 2,638 2,638 1,10 Oil -> 97 -7 90 2002 May J SAND 00 PR 31 Gas-> 3,000 3,000 1,10 Oil -> 90 2 53 39 59. 2002 Jun J SAND 00 PR 30 Gas -> 2,755 2,755 1,11 2002 Jul J SAND 00 PR 31 Oil -> 39 21 60 Gas-> 2,427 2,427 1,11 2002 Aug J SAND 00 PR 31 Oil -> 60 13 73 Gas-> 2,378 2,378 1,11 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=104... 8/5/2003 COGIS - Monthly Well Production Page 3 of 3 O2002 Sep J SAND 00 PR 30 Gas -> 73 7 80 -> 2,296 2,296 1,11 2002 Oct J SAND 00 PR 28 Oil -> 80 40 88 32 50. Gas-> 2,081 2,081 1,11 2002 Nov J SAND 00 PR 30 Oil -> 32 6 38 Gas-> 1,594 1,594 1,11 2002 Dec J SAND 00 PR 31 Oil -> 38 15 53 Gas-> 1,648 1,648 1,12 Oil -> 53 17 70 2003 Jan J SAND 00 PR 31 Gas-> 1,256 1,256 1,12 2003 Apr J SAND 00 PR 30 Oil -> 47 21 68 Gas-> 1,259 1,259 1,12 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=104... 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tl Related q Insp. Ck MIT •GIS a Doc it Wellbore }1 Order Surface Location Data for API # 05-123-10365 Status: PR Well Name/No: B B DRAW HCATTLECO. #4-3J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 68231 County: WELD#123 Location: SWSW 4 3N Field: WATTENBERG -#90750 Footages: 1580 FSL 990 DRLG Contr#: Elevation: 4,827 ft. Lat: 40.251467 Long: -104.673495 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 811383 Expiration Date: 12/13/1981 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 11/19/1981 Measured TD: 7790 Measured PB depth: 7770 True Vertical TD: 7790 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 575, Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7789,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Core FOX HILLS BASE 1700 SUSSEX 4450 NIOBRARA 6880 CARLILE LE 7200 J SAND 7610 Completed information for formation JSND 1st Prod Date: 11/19/1981 Choke Size: 0.000 Status Date: 11/19/1981 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310365&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card ti Related Q Insp. Cl MIT •GIS a Doc if Wellbore .1,ik Order Surface Location Data for API # 05-123-09335 Status: PR Well Name/No: ARISTOCRAT ANGUS#41-4(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60913 County: WELD#123 Location: NENE 4 3N 65W Field: ARISTOCRAT -#2925 Footages: 660 FNL 660 FEL DRLG Contr#: Elevation: 4,789 ft. Lat: 40.259856 Long: -104.660563 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 810843 Expiration Date: 9/19/1981 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NE Wellbore Completed Compltn Date: 8/4/1981 Measured TD: 4577 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 250, Weight: Cement: Sacks: 225,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth:4575,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4375 Completed information for formation SUSX 1st Prod Date: 8/3/1981 Choke Size: 2,464.000 Status Date: 8/14/2002 Hole Comp!: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309335&type=WELL 8/5/2003 COGIS - Monthly Well Production Page 1 of 3 COGIS - Monthly Well Production PRODUCTION DATA REPORT- •GIS API#: 05-123-09335 Location: NENE 4 3N 65W Field: ARISTOCRAT Field Code: 2925 Facility Name: ARISTOCRAT ANGUS Facility#: 41-4 Operator Name: ENCANA ENERGY RESOURCES INC. Operator#:,100160 PRODUCTION YEAR: All OIL BOM'Produced'Sold I Adj. I EOM IGravit Year Month Formation Sidetrack Well Days Product GAS Status Prod Prod Flared Used Shrinkage Sold BTU Oil -> 9 3 8 4 54. 1999 Jan SUSSEX 00 PR 31 Gas-> 140 140 1,28 Oil -> 4 31 35 1999 Feb SUSSEX 00 PR 28 Gas -> 770 770 1,,2727 1999 Mar SUSSEX 00 PR 31 Oil -> 10 10 Gas-> 591 4 587 1,27 O1999 Apr SUSSEX 00 PR 30 Gas as -> 12 30 40 -> 722 722 1,27 1999 May SUSSEX 00 PR 31 Oil -> 40 52 44 48 53. Gas-> 827 22 805 1,27 1999 Jun SUSSEX 00 PR 30 Oil -> 48 20 45 23 51. Gas-> 611 9 602 1,26 Oil -> 23 23 46 52. 1999 Jul SUSSEX 00 PR 31 Gas-> 696 21 675 1,26 1999 Aug SUSSEX 00 PR 23 Oil -> 15 15 Gas-> 480 480 1,26 Oil -> 15 92 93 14 50. 1999 Sep SUSSEX 00 PR 30 Gas-> 855 26 829 1,25 1999 Oct SUSSEX 00 PR 31 Oil -> 14 170 182 2 50. Gas-> 1,397 63 1,334 1,26 Oil -> 2 103 89 16 50. 1999 Nov SUSSEX 00 PR 30 Gas-> 1,177 105 1,072 1,26 1999 Dec SUSSEX 00 PR 31 Oil -> 16 35 51 Gas-> 1,232 187 1,045 1,26 Oil -> 51 42 49 44 49. 2000 Jan SUSSEX 00 PR 31 Gas-> 697 697 1,26 Oil -> 44 25 47 22 54. 2000 Feb SUSSEX 00 PR 29 Gas -> 939 36 903 1,26 Oil -> 22 23 45 2000 Mar SUSSEX 00 PR 31 Gas-> 962 178 784 1,26 2000 Apr SUSSEX 00 PR 30 Oil -> 45 14 48 11 52. Gas-> 801 136 665 1,26 O2000 May SUSSEX 00 PR 25 as20 -> 7 11 9 Gas-> 670 131 539 1,26 Oil -> 20 20 40 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=093... 8/5/2003 COGIS - Monthly Well Production Page 2 of 3 2000 Jun SUSSEX 00 PR 20 Gas-> 662 132 530 1,26 2000 Jul SUSSEX 00 PR 6 Oil -> 40 3 43 Gas-> 220 92 128 1,26 2000 Aug SUSSEX 00 PR 31 Oil -> 43 12 48 7 52. Gas-> 1,368 629 739 1,26 2000 Sep SUSSEX 00 PR 28 Oil -> 7 14 21 Gas-> 909 327 582 1,26 2000 Oct SUSSEX 00 SI Oil -> 21 21 Gas-> 2000 Nov SUSSEX 00 SI Oil -> 21 21 Gas-> 2000 Dec SUSSEX 00 SI Oil -> 21 21 Gas -> 2001 Jan SUSSEX 00 SI Oil -> 21 21 Gas-> 2001 Feb SUSSEX 00 SI Oil -> 21 21 Gas-> 2001 Mar SUSSEX 00 PR 30 Oil -> 21 21 14 28 58. Gas -> 550 47 503 1,29 O2001 Apr SUSSEX 00 SI Gas -> 28 28 -> O2001 May SUSSEX 00 SI Gas -> 28 28 -> 2001 Jun SUSSEX 00 SI Oil -> 28 28 Gas -> 2001 Jul SUSSEX 00 SI Oil -> 28 28 Gas-> Oil 2001 Aug SUSSEX 00 SI -> 28 28 Gas-> O2001 Sep SUSSEX 00 SI Gas -> 28 28 59. -> 2001 Oct SUSSEX 00 SI Oil -> Gas-> 2001 Nov SUSSEX 00 SI Oil -> Gas-> 2001 Dec SUSSEX 00 SI Oil -> Gas-> 2002 Jan SUSSEX 00 SI Oil -> Gas-> 2002 Feb SUSSEX 00 SI Oil -> Gas-> 2002 Mar SUSSEX 00 SI Oil -> Gas-> O2002 Apr SUSSEX 00 SI Gas s-> -> Oil 2002 May SUSSEX 00 SI -> Gas-> O2002 Jun SUSSEX 00 PR 30 Gass-> 13 13 52. -> 211 211 1,29 Oil -> 25 25 2002 Jul SUSSEX 00 PR 26 Gas-> 456 456 1,,2929 2002 Aug SUSSEX 00 PR 20 Oil -> 22 22 54. Gas-> 317 317 1,29 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=093... 8/5/2003 COGIS - Monthly Well Production Page 3 of 3 O54. 2002 Sep SUSSEX 00 PR 30 Gass-> 29 27 2-> 532 532 1,,2929 2002 Oct SUSSEX 00 PR 31 Oil -> 2 26 23 5 53. Gas-> 569 569 1,29 2002 Nov SUSSEX 00 PR 16 Oil -> 5 16 21 57. Gas-> 297 297 1,28 2002 Dec SUSSEX 00 PR 18 Oil -> 12 6 6 60. Gas-> 287 287 1,28 2003 Jan SUSSEX 00 PR 31 Oil -> 6 24 30 56. Gas -> 511 511 1,28 2003 Feb SUSSEX 00 PR 28 Oil -> 25 25 57. Gas-> 411 411 1,28 O10 56. 2003 Mar SUSSEX 00 PR 26 Gas s-> 24 14-> 271 271 1,,2828 Oil -> 10 17 24 3 56. 2003 Apr SUSSEX 00 PR 30 Gas-> 291 291 1,26 2003 May SUSSEX 00 PR 29 Oil -> 3 18 10 11 55. Gas -> 387 387 1,26 http://oil-gas.state.co.us/cogis/ProductionWellMonthly.asp?APICounty=123&APISeq=093... 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El = Related Q Insp. Ck MIT • GIS a Doc If Wellbore a Order Surface Location Data for API # 05-123-10438 Status: PR Well Name/No: B B DRAW H #4-4J (click well name for production) Operator: PATINA OIL & GAS CORPORATION - 67305 Status Date: 1/18/1982 Federal or State Lease#: 68244 County: WELD#123 Location: SWSE 4 3N 65W 6 Field: WATTENBERG -#90750 Footages: 990 FSL 1440 FEL DRLG Contr#: Elevation: 4,816 ft. Lat: 40.249839 Long: -104.663326 Wellbore Data for Sidetrack #00 Status: PR 1/18/1982 Wellbore Permit Permit#: 811825 Expiration Date: 2/13/1982 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: E2 Wellbore Completed Compltn Date: 1/19/1982 Measured TD: 7758 Measured PB depth: 7738 True Vertical TD: 7758 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 697, Weight: Cement: Sacks: 475, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7778,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6860 CODELL 7150 CARLILE 7170 GREENHORN 7210 J SAND 7610 Completed information for formation JSND 1st Prod Date: 1/18/1982 Choke Size: 0.000 Status Date: 1/18/1982 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310438&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card b Related Q Insp. QMIT • GIS lit Doc if Wellbore 4 Order Surface Location Data for API # 05-123-16602 Status: PR Well Name/No: ARISTOCRAT ANGUS#41-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/25/1993 Federal or State Lease#: 60913 County: WELD #123 Location: NENE 4 3N 65V Field: ARISTOCRAT -#2925 Footages: 628 FNL 860 FEL DRLG Contr#: Elevation: 4,802 ft. Lat: 40.259948 Long: -104.66128 Wellbore Data for Sidetrack #00 Status: PR 4/25/1993 Wellbore Permit Permit#: 921866 Expiration Date: 4/9/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/25/1993 Measured TD: 7278 Measured PB depth: 7197 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 601, Weight: Cement: Sacks: 250,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7279, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4378 NIOBRARA 6864 FORT HAYS 7121 CODELL 7143 Completed information for formation NB-CD 1st Prod Date: 4/25/1993 Choke Size: 864.000 Status Date: 4/25/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316602&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card r-= Related 4 Insp. Ck MIT •GIS at Doc it Wellbore .®Order Surface Location Data for API # 05-123-16574 Status: PR Well Name/No: ARISTOCRAT ANGUS#21-4C (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/21/1993 Federal or State Lease#: 60912 County: WELD#123 Location: NENW 4 3N 65 Field: ARISTOCRAT -#2925 Footages: 726 FNL 1916 F DRLG Contr#: Elevation: 4,833 ft. Lat: 40.259722 Long: -104.670081 Wellbore Data for Sidetrack #00 Status: PR 4/21/1993 Wellbore Permit Permit#: 921816 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/23/1993 Measured TD: 7324 Measured PB depth: 7289 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 620, Weight: Cement: Sacks: 280, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7325,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4391 NIOBRARA 6910 FORT HAYS 7168 CODELL 7190 Completed information for formation NB-CD 1st Prod Date: 4/21/1993 Choke Size: 864.000 Status Date: 4/21/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316574&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. Q MIT 0 GIS a Doc 11 Wellbore ..,; Order Surface Location Data for API # 05-123-20938 Status: PR Well Name/No: ALLISON H#4-3 JI (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 7/10/2002 Federal or State Lease#: County: WELD#123 Location: NENW 4 3N 65W 6 Field: WATTENBERG -#90750 Footages: 664 FNL 1952 FWL DRLG Contr#: CAZA DRILLING Elevation: 4,830 ft. Lat: 40.259892 Long: -104.66995 Wellbore Data for Sidetrack #00 Status: PR 7/10/2002 Spud Date: 5/23/2002 Spud Date is: ACTUAL Wellbore Permit Permit#: 20020851 Expiration Date: 5/15/2003 Prop Depth/Form: 8000 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: W/2 Wellbore Completed Compltn Date: 6/14/2002 Measured TD: 7790 Measured PB depth: 7760 True Vertical TD: True Vertical PB depth: Log Types: DENSITY, INDUCTION, MICROLOG, CBL. Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 656, Weight: 24 Cement: Sacks: 505, Top: 0, Bottom: 656, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7784, Weight: 11.6 Cement: Sacks: 495, Top: 6600, Bottom: 7784, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4820, Weight: Cement: Sacks: , Top: 3110, Bottom: 4830, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4384 N NIOBRARA 7131 N CODELL 7188 N J SAND 7643 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: 7/10/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 177,870 GALS &450,280#20/40 Tubing Size: 2.375 Tubing Setting Depth: 7623 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/10/2002 Test Method: FLOWING http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320938&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: SOLD Test Type Measure BBLS_H2O 7 BBLS_OIL 2 CALC_BBLS_H2O 7 CALC_BBLS_OIL 2 CALC_GOR 85000 CALC_MCF_GAS 170 CASING_PRESS 450 MCF_GAS 170 TUBING_PRESS 300 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320938&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card , Related Q Insp. Q MIT • GIS a Doc '1F Wellbore Order Surface Location Data for API # 05-123-16912 Status: PR Well Name/No: ARISTOCRAT 2-4 BATTERY#43-4C (click well name for production) Operator ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 5/14/1993 Federal or State Lease#: 55526 County: WELD#123 Location: NESE 4 3 Field: ARISTOCRAT -#2925 Footages: 2110 FSL DRLG Contr#: Elevation: 4,805 ft. Lat: 40.252912 Long: -104.66051 Wellbore Data for Sidetrack #00 Status: PR 5/14/1993 Wellbore Permit Permit#: 930312 Expiration Date: 7/17/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEDERAL Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 40, Drill Uni Wellbore Completed Compltn Date: N/A Measured TD: 7259 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 531,Weight: Cement: Sacks: 180, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7241, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom C FOX HILLS 400 SUSSEX 4370 NIOBRARA 6878 FORT HAYS 7125 CODELL 7148 Completed information for formation NB-CD 1st Prod Date: 5/14/1993 Choke Size: 864.000 Status Date: 5/14/1993 Hole Comp!: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316912&type=WELL 8/5/2003 COGIS - WELL Information Page I of 1 COGIS - WELL Information Scout Card El - Related Cl Insp. Q MIT i GIS a Doc 11 Wellbore -i Order Surface Location Data for API # 05-123-16572 Status: PR Well Name/No: ARISTOCRAT ANGUS#23-4C (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 5/8/1993 Federal or State Lease#: 55908 County: WELD#123 Location: NESW 4 3N 65 Field: ARISTOCRAT -#2925 Footages: 2011 FSL 20861 DRLG Contr#: Elevation: 4,825 ft. Lat: 40.252648 Long: -104.669554 Wellbore Data for Sidetrack #00 Status: PR 5/8/1993 Wellbore Permit Permit#: 921814 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/8/1993 Measured TD: 7290 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 603, Weight: Cement: Sacks: 254, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7330, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4402 NIOBRARA 6903 FORT HAYS 7156 CODELL 7179 Completed information for formation NB-CD 1st Prod Date: 5/8/1993 Choke Size: 864.000 Status Date: 5/8/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316572&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related 4 Insp. 4 MIT 0 GIS La Doc if Wellbore s. Order Surface Location Data for API # 05-123-20943 Status: PR Well Name/No: BB DRAW H#4-11JI (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 7/10/2002 Federal or State Lease#: County: WELD#123 Location: NESW 4 3N 65W 6 Field: WATTENBERG -#90750 Footages: 2046 FSL 1972 FWL DRLG Contr#: CAZA DRILLING Elevation: 4,825 ft. Lat: 40.252744 Long: -104.669961 Wellbore Data for Sidetrack #00 Status: PR 7/10/2002 Spud Date: 6/1/2002 Spud Date is: PLANNED Wellbore Permit Permit#: 20020806 Expiration Date: 5/16/2003 Prop Depth/Form: 8000 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A, Unit Acreage: 320, Drill Unit: W/2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 600,Weight: 24 Cement: Sacks: 300, Top: 0, Bottom: 600, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 8000, Weight: 11.6 Cement: Sacks: 750, Top: , Bottom: 8000, Method Grade: Wellbore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom Cored Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: 7/10/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 166,572 GALS &399,560#20/40 Tubing Size: 2.375 Tubing Setting Depth: 7602 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/10/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 17 CALC_BBLS_H2O 17 CALC_MCF_GAS 250 CASING_PRESS 300 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320943&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 MCF_GAS 250 TUBING_PRESS 100 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320943&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related q Insp. Ol MIT •GIS a Doc 11 Wellbore eitir Order Surface Location Data for API # 05-123-20939 Status: PR Well Name/No: ALEXANDER_H#4-2JI (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 9/17/2002 Federal or State Lease#: County: WELD#123 Location: NWNE 4 3N 65W 6 Field: WATTENBERG -#90750 Footages: 665 FNL 1973 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,800 ft. Lat: 40.259866 Long: -104.665269 Wellbore Data for Sidetrack #00 Status: PR 9/17/2002 Spud Date: 6/3/2002 Spud Date is: ACTUAL Wellbore Permit Permit#: 20020850 Expiration Date: 5/15/2003 Prop Depth/Form: 8000 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: E/2 Wellbore Completed Compltn Date: 6/28/2002 Measured TD: 7701 Measured PB depth: 7689 True Vertical TD: True Vertical PB depth: Log Types: DENSITY,INDUCTION,MICROLOG,CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 621, Weight: 24 Cement: Sacks: 465, Top: 0, Bottom: 621, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7699, Weight: 11.6 Cement: Sacks: 385, Top: 6290, Bottom: 7699, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4883, Weight: Cement: Sacks: , Top: 3770, Bottom: 4888, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4390 N NIOBRARA 6824 N CODELL 7152 N J SAND 7608 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: 9/17/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 124448G & 300000#20/40 Tubing Size: 2.375 Tubing Setting Depth: 7577 Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/17/2002 Test Method: FLOWING http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320939&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: SOLD Test Type Measure BBLS_H2O 1 BBLS_OIL 0 CALC_BBLS_H2O 1 CALC_BBLS_OIL 0 CALC_MCF_GAS 15 CASING_PRESS 650 MCF_GAS 15 TUBING_PRESS 450 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320939&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tl _Related Insp. Q MIT •GIS Cat Doc 11 Wellbore ,,re. Order Surface Location Data for API # 05-123-13661 Status: PR Well Name/No: ARISTOCRAT ANGUS#31-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 10/11/2001 Federal or State Lease#: 60913 County: WELD#123 Location: NWNE 4 31 Field: ARISTOCRAT -#2925 Footages: 660 FNL 18 DRLG Contr#: ALLISON BROS DRILLING CO INC Elevation: 4,809 ft. Lat: 40.259878 Long: -104.664972 Wellbore Data for Sidetrack #00 Status: PR 10/11/2001 Wellbore Permit Permit#: 870803 Expiration Date: 2/28/1988 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 1/26/1988 Measured TD: 7300 Measured PB depth: 7246 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 341,Weight: Cement: Sacks: 200, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7300, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Ca SUSSEX 4456 NIOBRARA 6844 FORT HAYS 7124 CODELL 7147 Completed information for formation NB-CD 1st Prod Date: 1/26/1988 Choke Size: 0.375 Status Date: 3/10/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR REPERF 7148-7162' (CODELL)W/4 SPF. SET CIBP@7260'. SET PKR@6850. FRAC Formation Treatment: #20/40 SAND IN 132,300 VISTAR 22 LHT&22. FLOW BACK FRAC. RELEASE PKR. L 7124'. SWAB WELL IN. Tubing Size: 2.375 Tubing Setting Depth: 7124 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 3/10/2002 Test Method: FLOWING Gas Dispo: SOLD http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313661&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_H2O 5 BBLS_OIL 6 CALC_BBLS_H2O 5 CALC_BBLS_OIL 6 CALC_GOR 32271 CALC_MCF_GAS 190 CASING_PRESS 500 MCF_GAS 190 TUBING_PRESS 100 No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 10/11/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: SET BP@4606'&PKR@4573'. TEST BP&REMOVE PKR. LAND TBG@4507'. SQUEE; SXS PREMIUM. DRILLED SOFT CMT&RESQUEEZE W/25 SXS PREMIUM.DRILL O1 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=123 13661&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card t = Related Q Insp. Q MIT • GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-16408 Status: PR Well Name/No: ARISTOCRAT ANGUS#11-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 8/1/2001 Federal or State Lease#: 55903 County: WELD#123 Location: NWNW 4 3N 65 Field: WATTENBERG -#90750 Footages: 660 FNL 660 FW DRLG Contr#: Elevation: 4,843 ft. Lat: 40.259925 Long: -104.67458 Wellbore Data for Sidetrack #00 Status: PR 8/1/2001 Wellbore Permit Permit#: 921525 Expiration Date: 9/15/1994 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/18/1994 Measured TD: 7312 Measured PB depth: 7254 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 635, Weight: Cement: Sacks: 340, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7310, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 400 SUSSEX 4500 NIOBRARA 7010 FORT HAYS 7172 CODELL 7196 Completed information for formation NB-CD 1st Prod Date: 5/1/1994 Choke Size: 0.219 Status Date: 8/1/2001 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: FRAC W/220,000 LBS. 20/40 FRAC SAND IN 123,500 GALS VISTAR 22 LHT. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: 6718 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/1/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316408&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 12 BBLS_OIL 21 CALC_BBLS_H2O 12 CALC_BBLS_OIL 21 CALC_GOR 21754 CALC_MCF_GAS 459 CASING_PRESS 440 MCF_GAS 459 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316408&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related CkInsp. Q MIT •GIS IA Doc ')f Wellbore ' Order Surface Location Data for API # 05-123-13662 Status: PR Well Name/No: ARISTOCRAT ANGUS#33-4_ (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 8/30/2001 Federal or State Lease#: 55908 County: WELD#123 Location: NWSE 4 31 Field: ARISTOCRAT -#2925 Footages: 1865 FSL 2 DRLG Contr#: ALLISON BROS DRILLING CO INC Elevation: 4,831 ft. Lat: 40.252244 Long: -104.665682 Wellbore Data for Sidetrack #00 Status: PR 8/30/2001 Wellbore Permit Permit#: 870804 Expiration Date: 2/28/1988 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/28/1987 Measured TD: 7330 Measured PB depth: 7199 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 316, Weight: Cement: Sacks: 265, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7330, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Ca SUSSEX 4455 NIOBRARA 6866 FORT HAYS 7146 CODELL 7169 Completed information for formation NB-CD 1st Prod Date: 11/30/1987 Choke Size: 0.219 Status Date: 8/30/2001 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: FRAC W/250,000#20/40 FRAC SAND IN 135,000 GAS VISTAR 22#AND 20#. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: 6705 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/30/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 4 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313662&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_OIL 14 CALC_BBLS_H2O 4 CALC_BBLS_OIL 14 CALC_GOR 20064 CALC_MCF_GAS 281 CASING_PRESS 380 MCF_GAS 281 No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 7/6/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA Formation Treatment: SQUEEZED W/ 100 SXS CLASS G=2% CAC12 AND 100 SXS CLASS G NEAT Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313662&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Elr:- Related Q Insp. Q MIT O GIS lit Doc if Wellbore ' Order Surface Location Data for API # 05-123-16449 Status: PR Well Name/No: ARISTOCRAT ANGUS#13-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 60911 County: WELD#123 Location: NWSW 4 3N 65' Field: WATTENBERG -#90750 Footages: 2120 FSL 800 FV DRLG Contr#: Elevation: 4,903 ft. Lat: 40.25295 Long: -104.674159 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 921609 Expiration Date: 3/23/1996 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 12/8/1993 Measured TD: 7358 Measured PB depth: 7323 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 510, Weight: Cement: Sacks: 275, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7355, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 400 SUSSEX 4402 NIOBRARA 6895 FORT HAYS 7150 CODELL 7172 GREENHORN 7332 Completed information for formation NB-CD 1st Prod Date: 5/2/1993 Choke Size: 0.219 Status Date: N/A Hole Comp': N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: FRAC CODL W/250M#20/40 FRAC SAND IN 131500 GAL VISTAR 22 LHT 22&20. Tubing Size: 2.375 Tubing Setting Depth: Tubing Packer Depth: 5263 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/7/2001 Test Method: FLOWING Gas Dispo: SOLD http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316449&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_H2O 8 BBLS_OIL 17 CALC_BBLS_H2O 8 CALC_BBLS_OIL 17 CALC_GOR 20827 CALC_MCF_GAS 350 CASING_PRESS 350 MCF_GAS 350 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 7/13/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA SQZ W/100 SX CLASS G + 2% CACI2 FOLLOWED BY 100 SX GLASS G NEAT, RES Formation Treatment: 30 SX CLASS G. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316449&type=WELL 8/5/2003 COGIS -WELL Information Page 1 of 2 COGIS - WELL Information Scout Card ki Related q Insp. k MIT •GIS a Doc if Wellbore -* Order Surface Location Data for API # 05-123-12720 Status: PR Well Name/No: ARISTOCRAT#42-C (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 11/9/2001 Federal or State Lease#: 60913 County: WELD#123 Location: SENE 4 Field: WATTENBERG -#90750 Footages: 1980 FNL DRLG Contr#: Elevation: 4,802 ft. Lat: 40.256232 Long: -104.660f Wellbore Data for Sidetrack #00 Status: PR 11/9/2001 Wellbore Permit Permit#: 851421 Expiration Date: 2/9/1986 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 11/7/1985 Measured TD: 7280 Measured PB depth: 7258 True Vertical TD: 7280 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth:419, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7276, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4342 NIOBRARA 6848 CODELL 7149 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.250 Status Date: 4/4/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR PERF CODELL FROM 7148'-7164'W/4 SPF. SET PKR @ 6520'. FRAC CD/NB W/250 Formation Treatment: IN129,822 GALS FRAC GEL. FLOW BACK. POOH W/PKR. RUN PROD TBG. Tubing Size: 2.375 Tubing Setting Depth: 7128 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 4/4/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 6 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312720&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_OIL 7 CALC_BBLS_H2O 6 CALC_BBLS_OIL 7 CALC_GOR 33833 CALC_MCF_GAS 244 CASING_PRESS 560 MCF_GAS 244 TUBING_PRESS 120 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 11/7/1985 Choke Size: 0.000 Status Date: 12/20/1986 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX. No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 11/9/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: SET RBP @ 4605'. SET TBG @ 4531'. SQUEEZE SUSSEX PERFS W/50 SXS CLASP POOH W/RBP. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312720&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tl Related Q Insp. Cl MIT • GIS a Doc If Wellbore — Order Surface Location Data for API # 05-123-21122 Status: PR Well Name/No: BB DRAW H #4-8 JI (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 1/5/2003 Federal or State Lease#: County: WELD#123 Location: SENE 4 3N 65W 6 I Field: WATTENBERG -#90750 Footages: 1957 FNL 651 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,800 ft. Lat: 40.256295 Long: -104.660519 Wellbore Data for Sidetrack #00 Status: PR 1/5/2003 Spud Date: 11/14/2002 Spud Date is: ACTUAL Wellbore Permit Permit#: 20021715 Expiration Date: 10/2/2003 Prop Depth/Form: 8100 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: E/2 Wellbore Completed Compltn Date: 1/3/2003 Measured TD: 7749 Measured PB depth: 7713 True Vertical TD: True Vertical PB depth: Log Types: DENSITY,NEUTRON,GR,INDUCTION,CBL. Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 615, Weight: 24 Cement: Sacks: 265, Top: 0, Bottom: 615, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7730, Weight: 11.6 Cement: Sacks: 270, Top: 6500, Bottom: 7730, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4784,Weight: Cement: Sacks: 200, Top: 4060, Bottom: 4786, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4372 N NIOBRARA 6845 N FORT HAYS 7108 N CODELL 7133 N J SAND 7588 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.219 Status Date: 1/5/2003 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 140,112 GALS AND 420,000 LBS. SAND. Tubing Size: 2.375 Tubing Setting Depth: 7585 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12321122&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 1/5/2003 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 17 BBLS_OIL 17 BTU_GAS 17 CALC_BBLS_H2O 50 CALC_BBLS_OIL 17 CALC_GOR 51000 CALC_MCF_GAS 874 CASING_PRESS 1400 MCF_GAS 847 TUBING_PRESS 1300 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12321122&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card = Related Q Insp. Q MIT i GIS a Doc if Wellbore 1e Order Surface Location Data for API # 05-123-20531 Status: PR Well Name/No: BB DRAW H#4-6JI (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: Federal or State Lease#: County: WELD#123 Location: SENW 4 3N 65W F Field: WATTENBERG -#90750 Footages: 1846 FNL 1874 FWL DRLG Contr#: CAZA DRILLING Elevation: 4,830 ft. Lat: 40.256647 Long: -104.670267 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 9/2/2001 Spud Date is: ACTUAL Wellbore Permit Permit#: 011400 Expiration Date: 7/17/2002 Prop Depth/Form: 8100 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 381A , Unit Acreage: 320, Drill Unit: W/2 Wellbore Completed Compltn Date: 11/9/2001 Measured TD: 7794 Measured PB depth: 7744 True Vertical TD: True Vertical PB depth: Log Types: DENSITY, INDUCTION, MICROLOG, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 626,Weight: 24 Cement: Sacks: 440, Top: 0, Bottom: 626, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7767,Weight: 11.6 Cement: Sacks: 660, Top: 6520, Bottom: 7767, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4735, Weight: Cement: Sacks: , Top: 4096, Bottom: 4735, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4380 N NIOBRARA 6900 N CODELL 7194 N J SAND 7663 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 157,626 GALS &400,100#20/40 Tubing Size: 2.375 Tubing Setting Depth: 7657 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/20/2001 Test Method: FLOWING http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320531&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: SOLD Test Type Measure BBLS_H2O 22 BBLS_OIL 8 CALC_BBLS_H2O 22 CALC_BBLS_OIL 8 CALC_GOR 76 CALC_MCF_GAS 608 CASING_PRESS 800 MCF_GAS 608 TUBING_PRESS 700 No Perforation Data was found for formation JSND http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320531&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card kit; Related QInsp_ el MIT •GIS at Doc if Wellbore Order Surface Location Data for API # 05-123-13659 Status: PR Well Name/No: ARISTOCRAT ANGUS#22-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 8/8/2001 Federal or State Lease#: 55908 County: WELD#123 Location: SENW Field: ARISTOCRAT -#2925 Footages: 1920 FN DRLG Contr#: ALLISON BROS DRILLING CO INC Elevation: 4,834 ft. Lat: 40.256443 Long: -104.67( Wellbore Data for Sidetrack #00 Status: PR 8/8/2001 Wellbore Permit Permit#: 870801 Expiration Date: 2/28/19E Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 12/4/1987 Measured TD: 7335 Measured PB depth: 7215 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 342, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7330, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4445 FORT HAYS 7157 CODELL 7180 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.219 Status Date: 8/8/2001 Hole Compl: N Commingled: N Prod Metod: FLOWN Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: FRAC W/250,000#20/40 FRAC SAND (1 PPG THRU 4 PPG) IN 131,000 GALS VISTA Tubing Size: Tubing Setting Depth: Tubing Packer Depth: 6718 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/8/2001 Test Method: FLOWN Gas Dispo: SOLD Test Type Measure BBLS_H2O 6 BBLS_OIL 14 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313659&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 CALC_BBLS_H2O 6 CALC_BBLS_OIL 14 CALC_GOR 22357 CALC_MCF_GAS 313 CASING_PRESS 390 MCF_GAS 313 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 12/9/1987 Choke Size: 0.000 Status Date: 10/12/1988 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 6/26/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA Formation Treatment: SQUEEZED W/100 SXS CLASS G +2% CAC12 FOLLOWED BY 100 SXS CLASS G I Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313659&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related 4 Insp. Q MIT •GIS a Doc it Wellbore it Order Surface Location Data for API # 05-123-16943 Status: PR Well Name/No: ARISTOCRAT 2-4 BATTERY#44-4 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55526 County: WELD#123 Location: SESE 4 3N Field: ARISTOCRAT -#2925 Footages: 1018 FSL 3 DRLG Contr#: Elevation: 4,807 ft. Lat: 40.249913 Long: -104.659442 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 930352 Expiration Date: 7/24/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 40, Drill Unit: SESE Wellbore Completed Compltn Date: 5/16/1993 Measured TD: 7289 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 547,Weight: Cement: Sacks: 330, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7287, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Col FOX HILLS 400 SUSSEX 4405 BENTONITE 4528 NIOBRARA 6873 FORT HAYS 7132 CODELL 7155 GREENHORN 7216 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR REPERF CODELL FROM 7155-7170 W/2 SPF. SET PKR @ 6874'. FRAC W/250,26( Formation Treatment: 131,500 GALS VISTAR 22#. FLOW BACK. RUN PROD TBG AND PKR. Tubing Size: 2.375 Tubing Setting Depth: 6870 Tubing Packer Depth: 6870 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316943&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 3/12/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 7 BBLS_OIL 8 CALC_BBLS_H2O 7 CALC_BBLS_OIL 8 CALC_GOR 31896 CALC_MCF_GAS 246 CASING_PRESS 0 MCF_GAS 246 TUBING_PRESS 140 No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: 9/5/1993 Choke Size: Status Date: 11/1/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA SET RBP @ 4594' AND PKR @ 4563'. PRESSURE TEST RBP. POOH W/PKR. LANE Formation Treatment: SQUEEZE SUSSEX W/25 SXS CM. DRILL OUT CMT. REMOVE BP & PKR. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316943&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card °" Related Q Insp. Cl MIT • GI_S a Doc if Wellbore 4 Order Surface Location Data for API # 05-123-13660 Status: SI Well Name/No: ARISTOCRAT BATTERY 4-4A#24-4(Click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 3/11/2003 Federal or State Lease#: 55903 County: WELD #123 Location: SESW 4 £ Field: ARISTOCRAT -#2925 Footages: 720 FSL 1 DRLG Contr#: ALLISON BROS DRILLING CO INC Elevation: 4,824 ft. Lat: 40.249103 Long: -104.66997 Wellbore Data for Sidetrack #00 Status: SI 3/11/2003 Wellbore Permit Permit#: 870802 Expiration Date: 2/28/1988 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/26/1987 Measured TD: 7315 Measured PB depth: 7230 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 351, Weight: Cement: Sacks: 235, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7315,Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom C SUSSEX 4385 FORT HAYS 7139 CODELL 7166 Completed information for formation NB-CD 1st Prod Date: 11/25/1987 Choke Size: 0.188 Status Date: 3/11/2003 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: SI PERF CODELL FROM 7168'-7184'W/2 SPF. SET PKR.@4761'. FRAC W/251,580#2( Formation Treatment: PPG THRU 4 PPG) IN 127,890 GAL VISTAR 22 LHT, 22&20. FLOW BACK FRAC. RE TBG. Tubing Size: 2.375 Tubing Setting Depth: 7155 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/14/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313660&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 7 BBLS_OIL 17 CALC_BBLS_H2O 7 CALC_BBLS_OIL 17 CALC_GOR 20087 CALC_MCF_GAS 348 CASING-PRESS 380 MCF_GAS 348 No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 7/24/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA SET RBP@4704'. PUMP 10 GALS SAND ON TOP OF BP. PRESSURE TEST. SET PI Formation Treatment: 100 SXS CLASS G + 1% CAC AND 100 SXS G NEAT. DRILL OUT CMT. FAILED PRE PUMP 25 SXS CLASS G NEAT. PRESSURE TEST OK. REMOVE B Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313660&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Ck Insp. O MIT •GIS a Doc iF Wellbore a Order Surface Location Data for API # 05-123-20457 Status: PR Well Name/No: BB DRAW H#4-7JI (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: Federal or State Lease#: County: WELD#123 Location: SWNE 4 3N 65W F Field: WATTENBERG -#90750 Footages: 2013 FNL 2094 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,810 ft. Lat: 40.256166 Long: -104.665691 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 10/7/2001 Spud Date is: ACTUAL Wellbore Permit Permit#: 011118 Expiration Date: 6/7/2002 Prop Depth/Form: 8100 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: E/2 Wellbore Completed Compltn Date: 11/20/2001 Measured TD: 7777 Measured PB depth: 7747 True Vertical TD: True Vertical PB depth: Log Types: DENSITY, INDUCTION, MICROLOG, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 615, Weight: 24 Cement: Sacks: 435, Top: 0, Bottom: 615, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7771, Weight: 11.6 Cement: Sacks: 380, Top: 6700, Bottom: 7771, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4707, Weight: Cement: Sacks: , Top:4007, Bottom: 4707, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4485 N NIOBRARA 6872 N CODELL 7165 N J SAND 7624 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 162,498 GALS &406,140#20/40 Tubing Size: 2.375 Tubing Setting Depth: 7593 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/30/2001 Test Method: FLOWING http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320457&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: SOLD Test Type Measure BBLS_H2O 49 BBLS_OIL 20 CALC_BBLS_H2O 49 CALC_BBLS_OIL 20 CALC_GOR 40 CALC_MCF_GAS 796 CASING_PRESS 1250 MCF_GAS 796 TUBING_PRESS 1025 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320457&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Cl Insp. k MIT •GIS a Doc 11 Wellbore .'t Order Surface Location Data for API # 05-123-16573 Status: PR Well Name/No: ARISTOCRAT ANGUS#32-4C(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/29/1993 Federal or State Lease#: 60912 County: WELD#123 Location: SWNE 4 3N 65 Field: ARISTOCRAT -#2925 Footages: 2071 FNL 21121 DRLG Contr#: Elevation: 4,822 ft. Lat: 40.256007 Long: -104.665755 Wellbore Data for Sidetrack #00 Status: PR 4/29/1993 Wellbore Permit Permit#: 921815 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/29/1993 Measured TD: 7310 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 603, Weight: Cement: Sacks: 255, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7295,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4429 NIOBRARA 6885 FORT HAYS 7144 CODELL 7167 Completed information for formation NB-CD 1st Prod Date: 4/29/1993 Choke Size: 864.000 Status Date: 4/29/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316573&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tl Related CInsp. Q MIT • GIS ra Doc 'If Wellbore 1I Order Surface Location Data for API # 05-123-16570 Status: PR Well Name/No: ARISTOCRAT ANGUS#12-4Q(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/25/1993 Federal or State Lease#: 60911 County: WELD#123 Location: SWNW 4 3N 6; Field: ARISTOCRAT -#2925 Footages: 1986 FNL 799 F' DRLG Contr#: Elevation: 4,831 ft. Lat: 40.256282 Long: -104.674124 Wellbore Data for Sidetrack #00 Status: PR 4/25/1993 Wellbore Permit Permit#: 921812 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/25/1993 Measured TD: 7303 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 630, Weight: Cement: Sacks: 280, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7296, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 350 SUSSEX 4394 NIOBRARA 6910 FORT HAYS 7169 CODELL 7192 Completed information for formation NB-CD 1st Prod Date: 4/25/1993 Choke Size: 864.000 Status Date: 4/25/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316570&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. Q MIT •GIS a Doc if Wellbore Jt Order Surface Location Data for API # 05-123-16571 Status: PR Well Name/No: ARISTOCRAT ANGUS#14-4C(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/23/1993 Federal or State Lease#: 60911 County: WELD#123 Location: SWSW 4 3N 6f Field: ARISTOCRAT -#2925 Footages: 546 FSL 710 F\ DRLG Contr#: Elevation: 4,844 ft. Lat: 40.248628 Long: -104.674531 Wellbore Data for Sidetrack #00 Status: PR 4/23/1993 Wellbore Permit Permit#: 921813 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/23/1993 Measured TD: 7320 Measured PB depth: 7248 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 662, Weight: Cement: Sacks: 290, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7311, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4394 NIOBRARA 6912 FORT HAYS 7161 CODELL 7184 Completed information for formation NB-CD 1st Prod Date: 4/23/1993 Choke Size: 864.000 Status Date: 4/23/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316571&type=WELL 8/5/2003 COGIS - Query Process Page 1 of 1 SeC-3' -Rrod . as COGIS - Facility Query Results i980 8O - Al You requested facilities by: 'WELL' ?cc-sc./1i- as Maximum records are limited to: Unlimited - Expect Delays! a de I -5 so/- For detail information: Click on facility type. Search Results -22 record(s) returned. Facility Type Facility ID/ Facility Name/ Operator Name/ St, API Number Number WELL 05-123-09681 ARIST. ANGUS RANCH 41-5 KERR-MCGEE ROCKY MOUNTAIN CORP F 1 47120 WELL 05-123-16094 BEEBE DRAW KERR-MCGEE ROCKY MOUNTAIN CORP F 41-5A 47120 WELL 05-123-16798 HRS-ROGERS KERR-MCGEE ROCKY MOUNTAIN CORP F 3-5 47120 WELL 05-123-17304 HSR-OBORNE KERR-MCGEE ROCKY MOUNTAIN CORP F 9-5 47120 WELL 05-123-09637 UPRR 39 AMOCO C KERR-MCGEE ROCKY MOUNTAIN CORP F 2 47120 WELL 05-123-12570 UPRR 39 PAN AM F KERR-MCGEE ROCKY MOUNTAIN CORP F 1 47120 WELL 05-123-17405 HSR-PARKER KERR-MCGEE ROCKY MOUNTAIN CORP F 12-5A 47120 WELL 05-123-12721 LUDWIG-UPRR 31-5 KERR-MCGEE ROCKY MOUNTAIN CORP F 1 47120 WELL 05-123-14453 LUDWIG 1-5 KERR-MCGEE ROCKY MOUNTAIN CORP F 1 47120 WELL 05-123-14595 LUDWIG 2-5 KERR-MCGEE ROCKY MOUNTAIN CORP F 2 47120 WELL 05-123-16799 HSR-RENTSCHLER KERR-MCGEE ROCKY MOUNTAIN CORP F 4-5 47120 WELL 05-123-17198 HSR-PAGE KERR-MCGEE ROCKY MOUNTAIN CORP F 10-5 47120 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP WELL 05-123-13093 F - 42-5 47120 WELL 05-123-17330 HSR-NILAND KERR-MCGEE ROCKY MOUNTAIN CORP F 6-5 47120 WELL 05-123-17308 HSR-GOODNOW KERR-MCGEE ROCKY MOUNTAIN CORP F 16-5A 47120 WELL 05-123-17306 HSR-RAFALOVICH KERR-MCGEE ROCKY MOUNTAIN CORP F 14-5 47120 WELL 05-123-14735 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP F 32-5 (9) 47120 WELL 05-123-09729 ARISTOCRAT 32-5 KERR-MCGEE ROCKY MOUNTAIN CORP F 2 47120 WELL 05-123-17303 HSR-MAY KERR-MCGEE ROCKY MOUNTAIN CORP F 5-5A 47120 WELL 05-123-17307 HSR-REAM KERR-MCGEE ROCKY MOUNTAIN CORP F 15-15A 47120 WELL 05-123-09530 UPRR 39 PAN AM C KERR-MCGEE ROCKY MOUNTAIN CORP F 1 47120 WELL 05-123-17305 HSR-PICKRELL KERR-MCGEE ROCKY MOUNTAIN CORP F 13-5A 47120 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. Q MIT •GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-09681 Status: PR Well Name/No: ARIST. ANGUS RANCH 41-5#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 55449 County: WELD#123 Location: NENE 5 3N 6 Field: ARISTOCRAT -#2925 Footages: 660 FNL 660 F DRLG Contr#: Elevation: 4,858 ft. Lat: 40.259939 Long: -104.679312 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 790110 Expiration Date: 6/16/1979 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 4/18/1979 Measured TD: 4632 Measured PB depth: 0 True Vertical TD: 4632 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth:430, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 5.5,Top: 0, Depth: 4632,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Core( SUSSEX 4428 Completed information for formation SUSX 1st Prod Date: 7/23/1979 Choke Size: 2,564.000 Status Date: 7/23/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309681&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Related CLInsp. Q MIT •GIS a Doc if Wellbore Jae Orders. Card Surface Location Data for API # 05-123-09637 Status: PR Well Name/No: UPRR39 AMOCO C#2(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 55395 County: WELD#123 Location: NESE 5 3N 65W 6 Pt Field: ARISTOCRAT -#2925 Footages: 1980 FSL 660 FEL DRLG Contr#: EXETER DRILLING CO Elevation: 4,890 ft. Lat: 40.252572 Long: -104.679396 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 781173 Expiration Date: 3/16/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2SE Wellbore Completed Compltn Date: 5/13/1979 Measured TD: 4710 Measured PB depth: 4666 True Vertical TD: 4710 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 537, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth:4700, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 500 SUSSEX 4500 Completed information for formation SUSX 1st Prod Date: 5/13/1979 Choke Size: 2,564.000 Status Date: 11/16/2000 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309637&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout E Related 4 Insp. S MIT • GIS a Doc if Wellbore Orders Card Surface Location Data for API # 05-123-09729 Status: PR Well Name/No: ARISTOCRAT 32-5#2 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 55449 County: WELD#123 Location: SWNE 5 3N 65W 6 PP Field: ARISTOCRAT -#2925 Footages: 1980 FNL 1980 FEL DRLG Contr#: Elevation: 4,899 ft. Lat: 40.256318 Long: -104.684084 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 790478 Expiration Date: 10/6/1979 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 7/12/1979 Measured TD: 4680 Measured PB depth: 4633 True Vertical TD: 4680 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 473,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 5.5,Top: 0, Depth:4680,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 476 SUSSEX 4462 Completed information for formation SUSX 1st Prod Date: 9/19/1979 Choke Size: 3,264.000 Status Date: 9/19/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309729&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout it, Related Q_Ins Q MIT • GIS a Doc 11 Wellbore 't Order: Card Surface Location Data for API # 05-123-09530 Status: PR Well Name/No: UPRR 39 PAN AM C#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 55395 County: WELD#123 Location: SWSE 5 3N 65W 6 PI Field: ARISTOCRAT -#2925 Footages: 660 FSL 1980 FEL DRLG Contr#: EXETER DRILLING CO Elevation: 4,884 ft. Lat: 40.248955 Long: -104.684168 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 780589 Expiration Date: 10/30/1978 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: S2SE Wellbore Completed Compltn Date: 5/14/1979 Measured TD: 4690 Measured PB depth: 4640 True Vertical TD: 4690 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 552,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4689, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 510 SUSSEX 4515 Completed information for formation SUSX 1st Prod Date: 5/14/1979 Choke Size: 2,564.000 Status Date: 5/14/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309530&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. 4 MIT •GIS a Doc if Wellbore .— Order Surface Location Data for API # 05-123-16094 Status: PR Well Name/No: BEEBE DRAW#41-5A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: NENE 5 3N 65W Field: WATTENBERG -#90750 Footages: 772 FNL 602 FEL DRLG Contr#: Elevation: 4,856 ft. Lat: 40.259631 Long: -104.679107 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 9/20/1992 Spud Date is: ACTUAL Wellbore Permit Permit#: 011479 Expiration Date: 7/26/2002 Prop Depth/Form: 7850 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 581, Weight: 24 Cement: Sacks: 290, Top: 0, Bottom: 581, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7345,Weight: 11.6 Cement: Sacks: 200, Top: 3980, Bottom: 7345, Method Grade: Wellbore Completed Compltn Date: 10/18/2001 Measured TD: 7850 Measured PB depth: 7804 True Vertical TD: True Vertical PB depth: Log Types: SACNLD, SAAILC, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 581, Weight: 24 Cement: Sacks: 290, Top: 0, Bottom: 581, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7345,Weight: 11.6 Cement: Sacks: 150, Top: 6310, Bottom: 7345, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 200, Top: 3980, Bottom: , Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7288, Depth: 7835, Weig Cement: Sacks: 35, Top: 7288, Bottom: 7835, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4550 N NIOBRARA 6918 N CODELL 7218 N J SAND 7680 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316094&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Formation Name: J-NIOBRARA-CODELL Status: FRAC'D J SAND W/502080#20/40 MESH; 208603 GALLONS GELLED FLUID J SAN Formation Treatment: 7684-7733 COMMINGLED Tubing Size: 2.375 Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/28/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 291 CALC_BBLS_OIL 5 CALC_GOR 58200 CALC_MCF_GAS 291 CASING_PRESS 400 GRAVITY-OIL 60 MCF_GAS 5 TUBING_PRESS 350 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 10/31/1992 Choke Size: 1,264.000 Status Date: 11/16/1992 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316094&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Cl Insp. 4 MIT • GIS a Doc 11 Wellbore ./IIP Order Surface Location Data for API # 05-123-16798 Status: PR Well Name/No: HRS_-ROGERS#3-5 (click well name for production) Operator KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 4/15/2003 Federal or State Lease#: County: WELD#123 Location: NENW 5 3N i Field: WATTENBERG -#90750 Footages: 610 FNL 1968 DRLG Contr#: Elevation: 4,914 ft. Lat: 40.260084 Long: -104.689062 Wellbore Data for Sidetrack #00 Status: PR 4/15/2003 Spud Date: 2/17/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 20021728 Expiration Date: 10/2/2003 Prop Depth/Form: 7900 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 575, Weight: 24 Cement: Sacks: 255, Top: 0, Bottom: 575, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7432,Weight: 11.6 Cement: Sacks: 515, Top: 6400, Bottom: 7432, Method Grade: Wellbore Completed Compltn Date: 2/26/2003 Measured TD: 7910 Measured PB depth: 7890 True Vertical TD: True Vertical PB depth: Log Types: CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 575, Weight: 24 Cement: Sacks: 255, Top: 0, Bottom: 575, Method Grade: CALC Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7432,Weight: 11.6 Cement: Sacks: 515, Top: 6400, Bottom: 7432, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: , Top:4240, Bottom: , Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7376, Depth: 7901, Weig Cement: Sacks: 35, Top: 7376, Bottom: 7901, Method Grade: CBL Formation Log Top Log Bottom Core SUSSEX 4486 N NIOBRARA 6996 N FORT HAYS 7259 N CODELL 7282 N J SAND 7740 N Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.281 Status Date: 4/15/2003 Hole Compl: N http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316798&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: PR FRAC'D J SAND W/115000#20/40 MESH; 111342 GAL. SAND LADEN FLUID J SANI Formation Treatment: 7790'COMMINGLED J SAND WITH NBCSX Tubing Size: 2.375 Tubing Setting Depth: 7349 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 4/15/2003 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_H2O 0 BBLS_OIL 4 CALC_BBLS_OIL 4 CALC_GOR 79750 CALC_MCF_GAS 319 CASING_PRESS 325 GRAVITY_OIL 60 MCF_GAS 319 TUBING_PRESS 200 No Perforation Data was found for formation JNCSX . Completed information for formation NB-CD 1st Prod Date: 3/25/1993 Choke Size: 1,264.000 Status Date: 4/1/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?£acid=12316798&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card 5 Related Q Insp.. Q MIT •GIS ra Doc If Wellbore Order Surface Location Data for API # 05-123-17304 Status: PR Well Name/No: HSR-OBORNE#9-5 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 11/11/1993 Federal or State Lease#: 61185 County: WELD#123 Location: NESE 5 3N 65W Field: WATTENBERG -#90750 Footages: 1860 FSL 590 FEl DRLG Contr#: EXETER DRILLING CO Elevation: 4,897 ft. Lat: 40.252242 Long: -104.679149 Wellbore Data for Sidetrack #00 Status: PR 11/11/1993 Wellbore Permit Permit#: 980907 Expiration Date: 10/7/1999 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/15/1993 Measured TD: 7400 Measured PB depth: 7350 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 561, Weight: Cement: Sacks: 395, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7387,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6963 FORT HAYS 7221 CODELL 7243 J SAND 7702 Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317304&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 1st Prod Date: 11/15/1993 Choke Size: 0.000 Status Date: 11/25/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317304&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card £ Related Q Insp. Q MIT •GIS a Doc '1F Wellbore -o Order Surface Location Data for API # 05-123-12570 Status: PR Well Name/No: UPRR 39 PAN AM F#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 5/13/2002 Federal or State Lease#: County: WELD#123 Location: N Field: WATTENBERG -#90750 Footages: 1 DRLG Contr#: Elevation: 4 Lat: 40.252066 Long: Wellbore Data for Sidetrack#00 Status: PR 5/13/2002 Spud Date: 5/10/2001 Spud Date is: P Wellbore Permit Permit#: Expiration Date: 4. Prop Depth/Form: 10827 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: F Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: S2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: CONDUCTOR , Hole Size: 12.25, Size: 9.625, Top: , Depth: 1210, Weight Cement: Sacks: 550,Top: 0, Bottom: 550, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: , Depth: 7945,Weight: 17 Cement: Sacks: 1020, Top: , Bottom: 7945, Method Grade: Wellbore Completed Compltn Date: 11/23/1985 Measured TD: 10832 Measured PB depth: 8 True Vertical TD: 10832 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 1210, Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 7945, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4455 SHANNON SANDSTONE 5003 NIOBRARA 6980 FORT HAYS 7250 CODELL 7275 MUDDY J 7712 Completed information for formation JNFCS 1st Prod Date: N/A Choke Size: 0 Status Date: 7/11/2002 Hole Compl: N Commingled: N Prod Metod: P Formation Name: J-NIOBRARA-FORT HAYS-CODELL-SUSSEX Status: P Formation Treatment: COMMINGLED JNFCS http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=123125708rtype-WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Tubing Size: 2.375 Tubing Setting Depth: 7 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/11/2002 Test Method: P Gas Dispo: SOLD Test Type Measure BBLS_OIL 1 CALC_BBLS_OIL 1 CALC_GOR 62000 CALC_MCF_GAS 62 CASING_PRESS 205 GRAVITY_OIL 60 MCF_GAS 62 TUBING_PRESS 205 No Perforation Data was found for formation JNFCS . Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0 Status Date: 5/13/2002 Hole Compl: N Commingled: N Prod Metod: P Formation Name: J SAND Status: P Formation Treatment: FRAC'D J SAND W/502300#20/40 MESH; 210021 GALLONS GELLED FLUID J SANI Tubing Size: 2.375 Tubing Setting Depth: 7 Tubing Packer Depth: 7599 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/13/2002 Test Method: P Gas Dispo: SOLD Test Type Measure BBLS_H2O 0 BBLS_OIL 4 CALC_BBLS_H2O 0 CALC_BBLS_OIL 4 CALC_GOR 42750 CALC_MCF_GAS 171 GRAVITY_OIL 60 MCF_GAS 171 TUBING_PRESS 160 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 1/18/1986 Choke Size: 6 Status Date: 3/7/1986 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: P Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312570&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Completed information for formation NBFHC 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-FT HAYS-CODELL Status: P Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBFHC . No Perforation Data was found for formation NBFHC . Completed information for formation NFCSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: NIOB-FT HYS-CODELL-SUSSEX Status: T Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NFCSX. No Perforation Data was found for formation NFCSX. Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: P Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312570&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card - Related Q Insp. el MIT •GIS a Doc if Wellbore }t Order Surface Location Data for API # 05-123-17405 Status: PR Well Name/No: HSR-PARKER#12-5A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 8/21/2001 Federal or State Lease#: County: WELD#123 Location: NESW 5 3N I Field: WATTENBERG -#90750 Footages: 2300 FSL 1401 DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,905 ft. Lat: 40.253469 Long: -104.69114 Wellbore Data for Sidetrack#00 Status: PR 8/21/2001 Spud Date: 10/4/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 001296 Expiration Date: 11/21/2001 Prop Depth/Form: 7900 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: S2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 13.25, Size: 9.625, Top: , Depth: 726, Weight: 36 Cement: Sacks: 300, Top: 0, Bottom: 726, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7660,Weight: 11.6 Cement: Sacks: 295,Top: 3846, Bottom: 7660, Method Grade: Wellbore Completed Compltn Date: 5/17/2001 Measured TD: 8116 Measured PB depth: 8109 True Vertical TD: True Vertical PB depth: Log Types: SAAILC, SACNLD, CBL Casing: String Type: SURF , Hole Size: 13.25, Size: 9.625, Top: 0, Depth: 726, Weight: 36 Cement: Sacks: 300, Top: 0, Bottom: 726, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7660, Weight: 11.6 Cement: Sacks: 150, Top: 6450, Bottom: 7660, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 295, Top: 3846, Bottom: 5100, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7592, Depth: 8117, Weig Cement: Sacks: 35, Top: 7592, Bottom: 8117, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4725 N NIOBRARA 7239 N FORT HAYS 7484 N CODELL 7506 N GREENHORN 7584 J SAND 7960 N Completed information for formation JNCSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317405&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 1st Prod Date: N/A Choke Size: 0.281 Status Date: 8/21/2001 Hole Compl: N Commingled: N Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: PR FRAC'D J SAND W/500000 20/40 MESH; 252011 GAL. GELLED FLUID J SAND PERI Formation Treatment: COMMINGLED J SAND WITH NBCSX Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/21/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 8 CALC_BBLS_OIL 8 CALC_GOR 63000 CALC_MCF_GAS 504 CASING_PRESS 550 GRAVITY_OIL 60 MCF_GAS 504 TUBING_PRESS 325 No Perforation Data was found for formation JNCSX. Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.281 Status Date: 6/27/2001 Hole Compl: N Commingled: N Prod Metod: PLUNGER Formation Name: J SAND Status: PR FRAC'D J SAND W/500000#20/40 MESH; 252011 GAL. GELLED FLUID. J SAND PE Formation Treatment: 8018' Tubing Size: 2.875 Tubing Setting Depth: 7592 Tubing Packer Depth: 7592 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/27/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 8 CALC_BBLS_OIL 8 CALC_GOR 56125 CALC_MCF_GAS 449 MCF_GAS 449 TUBING_PRESS 425 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 11/8/1993 Choke Size: 1,264.000 Status Date: 11/15/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317405&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: 7592 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX. No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317405&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related 4 Insp. O MIT •GIS a Doc 1f Wellbore Order Surface Location Data for API # 05-123-12721 Status: PR Well Name/No: LUDWIG-UPRR 31-5#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 12/16/2001 Federal or State Lease#: 67113 County: WELD#123 Location: NWNE 5 3N 65W 6 Field: WATTENBERG -#90750 Footages: 600 FNL 1980 FEL DRLG Contr#: Elevation: 4,877 ft. Lat: 40.260107 Long: -104.684041 Wellbore Data for Sidetrack #00 Status: PR 12/16/2001 Wellbore Permit Permit#: 851422 Expiration Date: 2/13/1986 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 0, Drill Unit Wellbore Completed Compltn Date: 11/12/1985 Measured TD: 7375 Measured PB depth: 7370 True Vertical TD: 7375 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 319,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7370, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4447 NIOBRARA 6964 FORT HAYS 7229 CODELL 7252 CARLILE 7269 GREENHORN 7361 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 18.000 Status Date: 12/16/2001 Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: CODELL Status: PR FRACED W/120,658 GALLONS GELLED FLUID.,261480 LBS 20/40 UNIMIN-LUCERI` Formation Treatment: 0 LBS PRODUCTION REFLECTS NIOBRARA-CODELL FORMATIONS Tubing Size: 2.375 Tubing Setting Depth: 7226 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 12/16/2001 Test Method: PLUNGER http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312721&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: Test Type Measure BBLS_OIL 4 CALC_BBLS_OIL 4 CALC_GOR 43000 CALC_MCF_GAS 172 CASING_PRESS 390 MCF_GAS 172 TUBING_PRESS 222 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 11/8/1985 Choke Size: 1,264.000 Status Date: 11/11/1985 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312721&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card ti Related Q Insp. al MIT • GIS a Doc If Wellbore 'S Order Surface Location Data for API # 05-123-14453 Status: PR Well Name/No: LUDWIG 1-5#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 67464 County: WELD#123 Location: NWNE 5 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1115 FNL 1655 FEL DRLG Contr#: GAZA DRILLING Elevation: 4,869 ft. Lat: 40.258692 Long: -104.682892 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 890925 Expiration Date: 9/2/1999 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 1/7/1990 Measured TD: 7924 Measured PB depth: 7866 True Vertical TD: 7924 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 514, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7906, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4422 NIOBRARA 6952 CODELL 7235 BENTONITE 7515 J SAND 7707 Completed information for formation JSND 1st Prod Date: 1/16/1990 Choke Size: 1,764.000 Status Date: 7/6/2001 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314453&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 1/31/2001 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314453&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Cl Insp. Q MIT •GIS a Doc 11 Wellbore y® Order Surface Location Data for API # 05-123-14595 Status: PR Well Name/No: LUDWIG 2-5#2 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 67452 County: WELD #123 Location: NWNW 5 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1000 FNL 1000 FWL DRLG Contr#: GAZA DRILLING Elevation: Unknown ft. Lat: 40.259015 Long: -104.692538 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 900327 Expiration Date: 8/9/1990 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: N2 Wellbore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom Cored Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314595&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card EI _ Related Q Insp. el MIT • GIS a Doc 111 Wellbore .1,®,Order Surface Location Data for API # 05-123-16799 Status: PR Well Name/No: HSR-RENTSCHLER#4-5 (Click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 3/11/1994 Federal or State Lease#: 60959 County: WELD#123 Location: NWNW 5 3N 65N Field: WATTENBERG -#90750 Footages: 660 FNL 500 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,955 ft. Lat: 40.25995 Long: -104.694324 Wellbore Data for Sidetrack #00 Status: PR 3/11/1994 Wellbore Permit Permit#: 930165 Expiration Date: 6/12/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 3/25/1993 Measured TD: 7504 Measured PB depth: 7450 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 619,Weight: Cement: Sacks: 430, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7501, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 300 SUSSEX 4554 NIOBRARA 7061 FORT HAYS 7326 CODELL 7348 Completed information for formation NB-CD 1st Prod Date: 3/25/1993 Choke Size: 1,264.000 Status Date: 4/1/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316799&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316799&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related % Insp. Cl MIT • GIS a Doc if Wellbore 't Order Surface Location Data for API # 05-123-17198 Status: PR Well Name/No: HSR-PAGE#10-5 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 10/1/1994 Federal or State Lease#: 60023 County: WELD#123 Location: NWSE 5 3N 65W Field: WATTENBERG -#90750 Footages: 1550 FSL 1650 FEL DRLG Contr#: EXETER DRILLING CO Elevation: 4,868 ft. Lat: 40.251397 Long: -104.682958 Wellbore Data for Sidetrack #00 Status: PR 10/1/1994 Wellbore Permit Permit#: 930948 Expiration Date: 3/27/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 320, Drill Ur Wellbore Completed Compltn Date: 4/20/1994 Measured TD: 7975 Measured PB depth: 7330 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 887,Weight: Cement: Sacks: 600, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7969, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SHANNON SANDSTONE 0 FOX HILLS 200 SUSSEX 4448 NIOBRARA 6951 FORT HAYS 7210 CODELL 7232 CARLILE 7245 GREENHORN 7308 J SAND 7672 DAKOTA 7896 Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: http://oil-gas.state.co.us/cogis/FacilityDetai].asp?facid=12317198&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 4/20/1994 Choke Size: 1,664.000 Status Date: 4/30/1994 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: RC Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317198&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. QMIT •GIS a Doc ir Wellbore .14. Order Surface Location Data for API # 05-123-13093 Status: PR Well Name/No: BEEBE DRAW UPRR#42-5(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 55365 County: WELD#123 Location: SENE 5 3N 65W Field: WATTENBERG -#90750 Footages: 1980 FNL 600 FEL DRLG Contr#: Elevation: 4,852 ft. Lat: 40.256314 Long: -104.679138 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 980936 Expiration Date: 10/21/1999 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 10/17/1986 Measured TD: 7328 Measured PB depth: 7322 True Vertical TD: 7328 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth:466, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7322, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4412 NIOBRARA 6926 FORT HAYS 7187 CODELL 7211 CARLILE 7228 GREENHORN 7268 J SAND 7664 Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313093&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 JSND . Completed information for formation NB-CD 1st Prod Date: 10/13/1986 Choke Size: 864.000 Status Date: 12/5/1986 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313093&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related 4Insp. C MIT •GIS a _Doc If Wellbore . Order Surface Location Data for API # 05-123-17330 Status: PR Well Name/No: HSR-NILAND#6-5 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/22/1994 Federal or State Lease#: 61182 County: WELD#123 Location: SENW 5 3N 65V\ Field: WATTENBERG -#90750 Footages: 2180 FNL 2165 F\ DRLG Contr#: EXETER DRILLING CO Elevation: 4,894 ft. Lat: 40.255772 Long: -104.688383 Wellbore Data for Sidetrack#00 Status: PR 7/22/1994 Wellbore Permit Permit#: 980894 Expiration Date: 10/7/1999 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/8/1993 Measured TD: 7420 Measured PB depth: 7380 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 563,Weight: Cement: Sacks: 390, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7415, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 100 SUSSEX 4464 NIOBRARA 6987 FORT HAYS 7245 CODELL 7266 GREENHORN 7340 J SAND 7718 Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317330&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 11/8/1993 Choke Size: 1,264.000 Status Date: 11/15/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317330&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS a Doc t Wellbore 't Order Surface Location Data for API # 05-123-17308 Status: PR Well Name/No: HSR-GOODNOW#16-5A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SESE 5 3N 6 Field: WATTENBERG -#90750 Footages: 510 FSL 692 F DRLG Contr#: Elevation: 4,889 ft. Lat: 40.248536 Long: -104.679557 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 8/31/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 011407 Expiration Date: 7/17/2002 Prop Depth/Form: 7850 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: S/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 567,Weight: 24 Cement: Sacks: 400, Top: 0, Bottom: 567, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7387, Weight: 11.6 Cement: Sacks: 250, Top: 6230, Bottom: 7387, Method Grade: Wellbore Completed Compltn Date: 10/10/2001 Measured TD: 7860 Measured PB depth: 7852 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 567, Weight: 24 Cement: Sacks: 400, Top: 0, Bottom: 567, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7387, Weight: 11.6 Cement: Sacks: 250, Top: 6230, Bottom: 7387, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 140, Top: 3970, Bottom: 5200, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7336, Depth: 7860, Weig Cement: Sacks: 35, Top: 7336, Bottom: 7860, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4453 N NIOBRARA 6961 N FORT HAYS 7221 N CODELL 7243 N CARLILE 7259 GREENHORN 7321 J SAND 7698 N http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317308&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.438 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: FRAC'D J SAND W/387940#20/40 MESH; 164808 GALLONS GELLED FLUID J SANC Formation Treatment: 7754'COMMINGLED J SAND WITH NBCSX. Tubing Size: 2.375 Tubing Setting Depth: 7696 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/22/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 2 CALC_BBLS_OIL 2 CALC_GOR 34000 CALC_MCF_GAS 68 CASING_PRESS 500 GRAVITY_OIL 60 MCF_GAS 68 TUBING_PRESS 225 No Perforation Data was found for formation JNCSX. Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 11/15/1993 Choke Size: 0.000 Status Date: 11/24/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317308&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317308&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related C Insp. ekMIT •GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-17306 Status: PR Well Name/No: HSR-RAFALOVICH#14-5 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/19/1994 Federal or State Lease#: County: WELD#123 Location: SESW 5 3N 651A Field: WATTENBERG -#90750 Footages: 820 FSL 2100 RA DRLG Contr#: Elevation: 4,897 ft. Lat: 40.249401 Long: -104.688657 Wellbore Data for Sidetrack#00 Status: PR 3/11/2003 Spud Date: N/A Spud Date is: PLANNED Wellbore Permit Permit#: 20030463 Expiration Date: 3/23/2004 Prop Depth/Form: 7900 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: S/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole size: 12.25, Size: 8.625, Top: , Depth: 558, Weight: 24 Cement: Sacks: 380, Top: 0, Bottom: 558, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7399, Weight: 11.6 Cement: Sacks: 265, Top: 3868, Bottom: 7399, Method Grade: Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: , Depth: 7900, Weight: 6. Cement: Sacks: 21, Top: , Bottom: 7900, Method Grade: Wellbore Completed Compltn Date: 11/8/1993 Measured TD: 7414 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 558, Weight: Cement: Sacks: 380, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7399, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 100 SUSSEX 4470 NIOBRARA 6980 FORT HAYS 7221 CODELL 7243 GREENHORN 7340 Completed information for formation NB-CD 1st Prod Date: 11/8/1993 Choke Size: 1,264.000 Status Date: 11/15/1993 Hole Compl: Commingled: Prod Metod: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317306&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317306&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card h Related 4 Insp. Q MIT •GIS 3P. Doc iF Wellbore .2 Order Surface Location Data for API # 05-123-14735 Status: PA Well Name/No: BEEBE DRAWUPRR#32-5 (9) (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 8/2/2002 Federal or State Lease#: 62132 County: WELD#123 Location: SWNE 5 3N 6t Field: WATTENBERG -#90750 Footages: 1950 FNL 2150 DRLG Contr#: VECO DRILLING INC Elevation: 4,906 ft. Lat: 40.256401 Long: -104.684692 Wellbore Data for Sidetrack #00 Status: PA 8/2/2002 Wellbore Permit Permit#: 901008 Expiration Date: 1/4/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: E2NE Wellbore Completed Compltn Date: 10/20/1990 Measured TD: 7385 Measured PB depth: 7350 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: , Size: 8.625, Top: , Depth: 617, Weight: Cement: Sacks: , Top: 0, Bottom: , Method Grade: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 617,Weight: Cement: Sacks: 315, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: , Size:4.5, Top: , Depth: 7385, Weight: Cement: Sacks: , Top: 6385, Bottom: 4290, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7385,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth:4740, Weight: Cement: Sacks: , Top: , Bottom: 4290, Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4464 FORT HAYS 7244 CODELL 7267 Completed information for formation CODL 1st Prod Date: 11/9/1990 Choke Size: 764.000 Status Date: 8/2/2002 Hole Compl: Commingled: Prod Metod: Formation Name: CODELL Status: PA Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314735&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 No Initial Test Data was found for formation CODL . No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: 9/12/2002 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314735&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT • GIS a. Doc if Wellbore -t Order Surface Location Data for API # 05-123-17303 Status: PR Well Name/No: HSR-MAY#5-5A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWNW 5 3N Field: WATTENBERG -#90750 Footages: 1980 FNL 460 DRLG Contr#: Elevation: 4,938 ft. Lat: 40.256326 Long: -104.694491 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 12/2/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: O1O395 Expiration Date: 2/26/2002 Prop Depth/Form: 7920 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 605, Weight: 24 Cement: Sacks: 420, Top: 0, Bottom: 605, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7461, Weight: 11.6 Cement: Sacks: 530, Top: 6450, Bottom: 7461, Method Grade: Wellbore Completed Compltn Date: 7/5/2001 Measured TD: 7947 Measured PB depth: 7910 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 605,Weight: 24 Cement: Sacks: 420, Top: 0, Bottom: 605, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 11, Top: 0, Depth: 7461, Weight: 11.6 Cement: Sacks: 530, Top: 6450, Bottom: 7461, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: ,Weight: Cement: Sacks: 175, Top: 4190, Bottom: 5250, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7421, Depth: 7943, Weig Cement: Sacks: 35, Top: 7421, Bottom: 7943, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4520 N NIOBRARA 7040 N FORT HAYS 7307 N CODELL 7326 N GREENHORN 7403 J SAND 7998 N Completed information for formation JNCSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317303&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: FRAC'D J SAND W/496120 3 20/40 MESH: 206507 GAL. GELLED FLUID J SAND PE Formation Treatment: COMMINGLED J SAND WITH NBCSX Tubing Size: 2.375 Tubing Setting Depth: 7779 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/5/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 10 CALC_BBLS_OIL 10 CALC_GOR 22900 CALC_MCF_GAS 229 CASING_PRESS 550 GRAVITY_OIL 60 MCF_GAS 229 TUBING_PRESS 350 No Perforation Data was found for formation JNCSX. Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 12/31/1993 Choke Size: 1,264.000 Status Date: 1/5/1993 Hole Compl: Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: N Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317303&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317303&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card al Related Q Insp. Cl MIT •GIS a Doc if Wellbore 4 Order Surface Location Data for API # 05-123-17307 Status: PR Well Name/No: HSR-REAM#15-15A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWSE 5 3N 65V Field: WATTENBERG -#90750 Footages: 520 FSL 1830 FE DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,881 ft. Lat: 40.24857 Long: -104.683635 Wellbore Data for Sidetrack #00 Status: PR 8/30/1999 Spud Date: 10/13/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 990593 Expiration Date: 8/26/2000 Prop Depth/Form: 7850 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A, Unit Acreage: 320, Drill Unit: S2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 9/23/1999 Measured TD: 7851 Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, ISGR, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 562,Weight:24 Cement: Sacks: 390,Top: 0, Bottom: 562, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7373, Weight: 11.6 Cement: Sacks: 320, Top: 3740, Bottom: 5060, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 7373, Weight: Cement: Sacks: 145, Top: 6300, Bottom: 7373, Method Grade: CBL Casing: String Type: 2ND , Hole Size: 3.875, Size: 2.875, Top: 7331, Depth: 7851, Weight: 6.5 Cement: Sacks: 50, Top: 7300, Bottom: 7851, Method Grade: CBL Formation Log Top Log Bottom Cored NIOBRARA 6957 N FORT HAYS 7219 N CODELL 7241 N J SAND 7697 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.344 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: CM FRAC'D J SAND W/3392360#20/40 MESH; 157836 GAL. GELLED FLUID. J SAND PI Formation Treatment: 7766' Tubing Size: 2.375 Tubing Setting Depth: 7316 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317307&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/3/1999 Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_OIL 4 CALC_BBLS_OIL 4 CALC_GOR 43250 CALC_MCF_GAS 173 CASING_PRESS 375 GRAVITY_OIL 60 MCF_GAS 173 TUBING_PRESS 275 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 11/9/1993 Choke Size: Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/18/1993 Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_OIL 20 MCF_GAS 285 No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317307&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card h { Related 4 Insp. Q MIT •GIS IA Doc 'lf Wellbore se* Order Surface Location Data for API # 05-123-17305 Status: PR Well Name/No: HSR-PICKRELL_ #_13-5A (click well name for production) Operator KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWSW 5 3N Field: WATTENBERG -#90750 Footages: 530 FSL 800 F DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,928 ft. Lat: 40.248612 Long: -104.693321 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 10/24/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 000326 Expiration Date: 4/9/2001 Prop Depth/Form: 7910 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: S2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 585, Weight: 24 Cement: Sacks: 410, Top: 0, Bottom: 585, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7455, Weight: 11.6 Cement: Sacks: 270, Top: 3800, Bottom: 7455, Method Grade: Wellbore Completed Compltn Date: 5/23/2000 Measured TD: 7900 Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: IGR, CNFGR, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 585, Weight: 24 Cement: Sacks: 410, Top: 0, Bottom: 585, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7455, Weight: 11.6 Cement: Sacks: 270, Top: 3800, Bottom: 5300, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 7455, Weight: Cement: Sacks: 150, Top: 6300, Bottom: 7900, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7374, Depth: 7897, Weig Cement: Sacks: 35, Top: 7370, Bottom: 7897, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4484 N NIOBRARA 7008 N FORT HAYS 7272 N CODELL 7294 N CARLILE 7310 GREENHORN 7364 J SAND 7748 N http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317305&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: CM Formation Treatment: FRAC'D J SAND W/383000#20/40 MESH; 165226 GAL. GELLED FLUID COMMINGL Tubing Size: 2.375 Tubing Setting Depth: 7351 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/23/2000 Test Method: PLUNGER Gas Dispo: Test Type Measure BBLS_OIL 6 CALC_BBLS_OIL 6 CALC_GOR 50833 CALC_MCF_GAS 305 CASING_PRESS 450 GRAVITY_OIL 60 MCF_GAS 305 TUBING_PRESS 325 No Perforation Data was found for formation JNCSX . Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J SAND Status: PR Formation Treatment: FRAC'D J SAND W/383000#20/40 MESH; 165226 GAL. GELLED FLUID COMMINGL Tubing Size: 2.375 Tubing Setting Depth: 7351 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/23/2000 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 6 CALC_BBLS_OIL 6 CALC_GOR 50833 CALC_MCF_GAS 305 CASING_PRESS 450 GRAVITY_OIL 60 MCF_GAS 305 TUBING_PRESS 325 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 11/12/1993 Choke Size: 1,064.000 Status Date: 11/22/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317305&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317305&type=WELL 8/5/2003 COGIS - Query Process Page 1 of 1 SCC 3 .Qroa . ..2o COGIS - Facility Query Results i qg0 — I QcLsent— 3O You requested facilities by: 'WELL' �� o 000 Maximum records are limited to: Unlimited - Expect Delays' a d For detail information: Click on facility type. Search Results -20 record(s) returned. Facility ID/ Facility Name/ Operator Name/ Fiel Facility Type API Number Number Status Ni WELL 05-123-09336 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 41-8 100160 WELL 05-123-10333 B B DRAW H PATINA OIL&GAS CORPORATION PR WAT- 8-1J 67305 f WELL 05-123-16583 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 21-8 100160 WELL 05-123-17039 BB DRAW H PATINA OIL& GAS CORPORATION PR WAT- 8-9 67305 f WELL 05-123-17055 BB DRAW H PATINA OIL & GAS CORPORATION PR WAT- 8-11 67305 f WELL 05-123-16450 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 31-8 100160 WELL 05-123-17000 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR WAT- 11-8 100160 f WELL 05-123-18785 ARISTOCRAT NORTH AMERICAN RESOURCES CO AL WAT- 12-8 63800 £ WELL 05-123-17056 BB DRAW H PATINA OIL& GAS CORPORATION PR WAT- 8-12 67305 5 WELL 05-123-17070 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 42-8 100160 WELL 05-123-16582 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 22-8 100160 WELL 05-123-10410 B B DRAW H PATINA OIL&GAS CORPORATION PR WAT- 8-4J 67305 f WELL 05-123-21515 BB DRAW H PATINA OIL&GAS CORPORATIONXX WAT- 8-16 67305 E WELL 05-123-19956 BB DRAW H PATINA OIL&GAS CORPORATION PR WAT- 8-14J1 67305 f WELL 05-123-17040 BB DRAW H PATINA OIL& GAS CORPORATION PR WAT- 8-14 67305 f WELL 05-123-16577 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR ARIS 32-8 100160 WELL 05-123-21448 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. PR WAT- 12-8 100160 5 WELL 05-123-17195 BB DRAW H PATINA OIL& GAS CORPORATION PR WAT- 8-15 67305 f WELL 05-123-17232 BB DRAW PATINA OIL & GAS CORPORATION PR WAT- H 8-10 67305 £ WELL 05-123-08284 ARISTOCRAT ANGUS PATINA OIL& GAS CORPORATION PR WAT- 1 67305 f http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tlC Related Q Insp. Q MIT • GIS a Doc 11 Wellbore ..t Order Surface Location Data for API # 05-123-09336 Status: PR Well Name/No: ARISTOCRAT ANGUS#41-8(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55524 County: WELD#123 Location: NENE 8 3N 65W Field: ARISTOCRAT -#2925 Footages: 660 FNL 660 FEL DRLG Contr#: Elevation: 4,859 ft. Lat: 40.245323 Long: -104.679498 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 810146 Expiration Date: 5/28/1981 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NE Wellbore Completed Compltn Date: 6/25/1981 Measured TD: 4643 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 468,Weight: Cement: Sacks: 400,Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4609, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4478 Completed information for formation SUSX 1st Prod Date: 6/25/1981 Choke Size: 2,164.000 Status Date: 6/3/1981 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309336&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card h Related Q_Insp. Q MIT •GIS a Doc if Wellbore 4 Order Surface Location Data for API # 05-123-10333 Status: PR Well Name/No: B B DRAW H#8-1J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 11/18/1981 Federal or State Lease#: County: WELD#123 Location: NENE 8 3N 65W 6 I Field: WATTENBERG -#90750 Footages: 1980 FNL 1170 FEL DRLG Contr#: Elevation: 4,881 ft. Lat: 40.241701 Long: -104.681406 Wellbore Data for Sidetrack #00 Status: PR 11/18/1981 Spud Date: 7/18/1981 Spud Date is: ACTUAL Wellbore Permit Permit#: 19811077 Expiration Date: Prop Depth/Form: 7840 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 407-66 , Unit Acreage: 320, Drill Unit: E2 Formation and Spacing: Code: JSND , Formation: J SAND , Order: , Unit Acreage: 320, Drill Unit: E2 Wellbore Completed Compltn Date: 11/18/1981 Measured TD: 7808 Measured PB depth: 7788 True Vertical TD: True Vertical PB depth: Log Types: I-SFL&FDL Casing: String Type: SURF , Hole Size: , Size: 8.625, Top: , Depth: 204, Weight: 24 Cement: Sacks: 160, Top: , Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: , Size: 4.5, Top: , Depth: 7816,Weight: 11.6 Cement: Sacks: 200, Top: , Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6945 CARLILE 7260 GREENHORN 7310 J SAND 7686 Completed information for formation JSND 1st Prod Date: 11/18/1981 Choke Size: Status Date: 11/18/1981 Hole Compl: Commingled: Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: 2.375 Tubing Setting Depth: 7750 Tubing Packer Depth: 7715 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/18/1981 Test Method: FLOWING Gas Dispo: SOLD http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310333&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_H2O 25 BBLS_OIL 7 CALC_GOR 17142 CASING_PRESS 660 MCF_GAS 120 TUBING_PRESS 400 Perferation Data: Interval Bot: 7750 Interval Top: 7732 #of Holes: Hole Size: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310333&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card '> Related Q Insp. 4 MIT • GIS [ Doc if Wellbore -"4" Order Surface Location Data for API # 05-123-16583 Status: PR Well Name/No: ARISTOCRAT ANGUS#21-8 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 3/3/2002 Federal or State Lease#: County: WELD #123 Location: NENW 8 3N 65t Field: ARISTOCRAT -#2925 Footages: 660 FNL 2080 R DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,908 ft. Lat: 40.245337 Long: -104.688753 Wellbore Data for Sidetrack #00 Status: PR 3/3/2002 Spud Date: 4/3/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 000771 Expiration Date: 7/23/2001 Prop Depth/Form: 7850 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit:W2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 489,Weight: 23 Cement: Sacks: 325, Top: 0, Bottom:489, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 749, Weight: 11.6 Cement: Sacks: 322, Top: 6700, Bottom: 7409, Method Grade: Casing: String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 121, Top: 3930, Bottom: 5074, Method Grade: Wellbore Completed Compltn Date: 10/6/2000 Measured TD: 7880 Measured PB depth: 7846 True Vertical TD: True Vertical PB depth: Log Types: (CURRENT)CBL-GR Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 489, Weight: 24 Cement: Sacks: 325, Top: 0, Bottom:489, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7411, Weight: 11.6 Cement: Sacks: 322, Top: 6700, Bottom: 7409, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7323, Depth: 7877, Weig Cement: Sacks: 35, Top: 7323, Bottom: 7877, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4494 N NIOBRARA 7001 N FORT HAYS 7260 N CODELL 7283 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316583&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Formation Name: J-NIOBRARA-CODELL Status: Formation Treatment: Tubing Size: 2.375 Tubing Setting Depth: 7312 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 11/5/2000 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 27 BBLS_OIL 3 CALC_BBLS_H2O 27 CALC_BBLS_OIL 3 CALC_GOR 10300 CALC_MCF_GAS 309 CASING_PRESS 180 MCF_GAS 309 TUBING_PRESS 400 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: N/A Test Method: Gas Dispo: Test Type Measure BBLS_H2O 24 BBLS_OIL 3 CALC_BBLS_H2O 27 CALC_BBLS_OIL 3 CALC_GOR 10300 CALC_MCF_GAS 309 CASING_PRESS 180 MCF_GAS 309 TUBING_PRESS 400 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 6/5/1993 Choke Size: 0.250 Status Date: 3/3/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: REPERF CODELL FROM 7282-7292 W/2 SPF. SET RBP@7310'. SET PKR@7002'. F W/250,340#20/40 SAND IN 133,000 GALS VISTAR 22 LHT. FLOW BACK FRAC. REl http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316583&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 RIH W/PROD TBG SWAB WELL BACK. WILL COMMINGLE W/J SAND AFTER FLOW Tubing Size: 2.375 Tubing Setting Depth: 7270 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 3/3/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 7 BBLS_OIL 9 CALC_BBLS_H2O 7 CALC_BBLS_OIL 9 CALC_GOR 25809 CALC_MCF_GAS 230 CASING_PRESS 600 MCF_GAS 230 TUBING_PRESS 140 No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316583&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card it Related Cl Insp. Cl MIT •GIS a Doc if Wellbore 1®Order Surface Location Data for API # 05-123-17039 Status: PR Well Name/No: BB DRAW H#8-9 (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 5/3/2000 10:49:45 AM Federal or State Lease#: 61223 County: WELD#123 Location: NESE 8 3N 65\ Field: WATTENBERG -#90750 Footages: 1980 FSL 660 Fl DRLG Contr#: Elevation: 4,865 ft. Lat: 40.23813 Long: -104.679657 Wellbore Data for Sidetrack #00 Status: PR 5/3/2000 Spud Date: 7/16/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 990184 Expiration Date: 3/30/2000 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 407 , Unit Acreage: 80, Drill l Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order:493-2 , Unit Acreage: 80, Drill Unit: N2SE Wellbore Completed Compltn Date: 8/19/1993 Measured TD: 7865 Measured PB depth: 7829 True Vertical TD: True Vertical PB depth: Log Types: GR,CBL,CCL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 597,Weight: 24 Cement: Sacks: 310, Top: 0, Bottom: 597, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7369, Weight: 7.7 Cement: Sacks: 636, Top: 4150, Bottom: 7369, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: , Size: 2.375, Top: 7260, Depth: 7841, Weight 4.7 Cement: Sacks: 9, Top: 7266, Bottom: 7841, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4504 N NIOBRARA 6934 N CODELL 7240 N J SAND 7696 N Completed information for formation JSND 1st Prod Date: 6/12/1999 Choke Size: 0.281 Status Date: 9/10/1999 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: 2.0625 Tubing Setting Depth: 7074 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317039&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Initial Test Data: Test Date: 12/1/1999 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 12 BBLS_OIL 9 CALC_BBLS_H2O 12 CALC_BBLS_OIL 9 CALC_GOR 46111 CALC_MCF_GAS 415 CASING_PRESS 500 MCF_GAS 415 TUBING_PRESS 240 Perferation Data: Interval Bot: 7753 Interval Top: 7696 #of Holes: 80 Hole Size: Completed information for formation NB-CD 1st Prod Date: 9/12/1994 Choke Size: 0.156 Status Date: 12/30/1994 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/19/1993 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 2 BBLS_OIL 42 CALC_BBLS_H2O 2 CALC_BBLS_OIL 42 CALC_GOR 8952 CALC_MCF_GAS 376 CASING_PRESS 2450 MCF_GAS 376 Perferation Data: Interval Bot: 7253 Interval Top: 6972 #of Holes: 14 Hole Size: Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 6/1/1999 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317039&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Test Date: 9/12/1994 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 16 BBLS_OIL 11 CALC_BBLS_H2O 16 CALC_BBLS_OIL 11 CALC_GOR 28727 CALC_MCF_GAS 316 MCF_GAS 316 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317039&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card EI Related Ck Insp. Q MIT • GIS at Doc if Wellbore .1t Order Surface Location Data for API # 05-123-17055 Status: PR Well Name/No: BB DRAW H#8-11 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 60921 County: WELD#123 Location: NESW 8 3N 6511 Field: WATTENBERG -#90750 Footages: 1480 FSL 1940 F14 DRLG Contr#: Elevation: 4,908 ft. Lat: 40.236689 Long: -104.689301 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 930631 Expiration Date: 9/18/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 8/19/1993 Measured TD: 7472 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 599,Weight: Cement: Sacks: 310, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 2.875, Top: 0, Depth: 7476, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4365 NIOBRARA 6956 CODELL 7271 Completed information for formation NB-CD 1st Prod Date: 8/19/1993 Choke Size: 1,264.000 Status Date: 8/31/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?£acid=12317055&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card h Related Q Insp. Q MIT •GIS IA Doc 11 Wellbore .Order Surface Location Data for API # 05-123-16450 Status: PR Well Name/No: ARISTOCRAT ANGUS#31-8 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 6/21/1993 Federal or State Lease#: 55524 County: WELD #123 Location: NWNE 8 3N 65\ Field: ARISTOCRAT -#2925 Footages: 230 FNL 2380 FE DRLG Contr#: Elevation: 4,900 ft. Lat: 40.246513 Long: -104.685636 Wellbore Data for Sidetrack #00 Status: PR 6/21/1993 Wellbore Permit Permit#: 930547 Expiration Date: 9/4/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/21/1993 Measured TD: 7418 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 537, Weight: Cement: Sacks: 380, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7414, Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4488 NIOBRARA 6983 FORT HAYS 7244 CODELL 7267 Completed information for formation NB-CD 1st Prod Date: 6/21/1993 Choke Size: 864.000 Status Date: 6/21/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316450&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card al Related Ci Insp. CQ MIT •GIS a Doc if Wellbore -A Order Surface Location Data for API # 05-123-17000 Status: PR Well Name/No: ARISTOCRAT ANGUS#11-8 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 12/22/2002 Federal or State Lease#: County: WELD#123 Location: NWNW 8 3N 65 Field: WATTENBERG -#90750 Footages: 710 FNL 260 FW DRLG Contr#: Elevation: 4,936 ft. Lat: 40.24521 Long: -104.695276 Wellbore Data for Sidetrack#00 Status: PR 12/22/2002 Spud Date: 1/13/2002 Spud Date is: ACTUAL Wellbore Permit Permit#: 012007 Expiration Date: 11/15/2002 Prop Depth/Form: 8049 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: N/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 2/16/2002 Measured TD: 7947 Measured PB depth: 7935 True Vertical TD: True Vertical PB depth: Log Types: GR-CCL -CBL- SLIM HOLE Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 615,Weight: 23 Cement: Sacks: 350,Top: 0, Bottom: 615, Method Grade: CALC Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7426, Weight: 11.6 Cement: Sacks: 380, Top: 7415, Bottom: 7426, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7368, Depth: 7944, Weig Cement: Sacks: 35, Top: 7368, Bottom: 7944, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4535 N BENTONITE 4683 NIOBRARA 7033 N FORT HAYS 7293 N CODELL 7316 N GREENHORN 7375 N J-2 SAND 7780 N SKULL CREEK 7888 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: Status Date: 3/18/2002 Hole Compl: N Commingled: Y Prod Metod: Formation Name: J-NIOBRARA-CODELL Status: CM MILL OUT SHOE TO ORIG. TD (7431'). SPUD NEW 3 3/7" HOLE. DRILL TO 7947'. IN http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317000&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 ( 2 7/8")TO 7944'. CMT W/35 SXS. PLACE LINER SEAL@7935'. PERF J SAND FROI Formation Treatment: 7792&7800 -7820 W/4 SPF. FRAC NEW PERFS W/413,240#20/40#20/40 SAN IN (C Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: N/A Test Method: Gas Dispo: Test Type Measure BBLS_H2O 16 BBLS_OIL 8 CALC_BBLS_H2O 16 CALC_BBLS_OIL 8 CALC_GOR 36390 CALC_MCF_GAS 280 MCF_GAS 280 TUBING_PRESS 120 Perferation Data: Interval Bot: 7820 Interval Top: 7103 #of Holes: 136 Hole Size: Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: 6/25/2003 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 6/5/1993 Choke Size: 0.281 Status Date: 12/22/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR PERF'D THE CODELL FROM 7318'-7332'W/4 SPF. RIH W/RBP,PKR,TBG. SET RBP PKR@7362'.SET PRK@7020'.SWAB. PUMP 500 GALS 7 1/2%HCL FOLLOWED BY Formation Treatment: KCL @ 2.5 BPM.REL PKR. POOCH. LD TBG&PKR. RE-FRAC'D THE CODELL/NIOBI W/245,520#20/40 FRAC Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 12/22/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 1 CALC_BBLS_H2O 1 CALC_MCF_GAS 109 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317000&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 CASING-PRESS 150 MCF_GAS 109 Perferation Data: Interval Bot: 7332 Interval Top: 7318 #of Holes: 56 Hole Size: 0.38 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317000&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tl Related • Insp. Q MIT •GIS a Doc if Wellbore ,if' Order Surface Location Data for API # 05-123-18785 Status: AL Well Name/No: ARISTOCRAT#12-8 (click well name for production) Operator: NORTH AMERICAN RESOURCES CO-63800 Status Date: 6/20/1996 Federal or State Lease#: County: WELD#123 Location: NWNW 8 3N 65V Field: WATTENBERG -#90750 Footages: 700 FNL 273 FWL DRLG Contr#: Elevation: Unknown ft. Lat: 40.245237 Long: -104.695229 Wellbore Data for Sidetrack #00 Status: AL 6/20/1996 Wellbore Permit Permit#: 941881 Expiration Date: 6/5/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom Cored No additional Interval records were found for sidetrack 00. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318785&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card b Related Q Insp. % MIT • GIS a Doc if Wellbore .fiS Order Surface Location Data for API # 05-123-17056 Status: PR Well Name/No: BB DRAW H#8-12 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 8/19/1993 Federal or State Lease#: 60921 County: WELD#123 Location: NWSW 8 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1640 FSL 510 FWL DRLG Contr#: Elevation: 4,927 ft. Lat: 40.237091 Long: -104.694422 Wellbore Data for Sidetrack #00 Status: PR 12/13/1999 Spud Date: 7/2/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 990185 Expiration Date: 3/30/2000 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 407 , Unit Acreage: 80, Drill Unit: N/2 Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit:W/2 Wellbore Completed Compltn Date: 8/19/1993 Measured TD: 7475 Measured PB depth: 7420 True Vertical TD: True Vertical PB depth: Log Types: COMP. DENSITY, DIL, CBL-CCL-GR Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 629, Weight: 24 Cement: Sacks: 295, Top: 0, Bottom: 629, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7443, Weight: 7.7 Cement: Sacks: 780, Top: 3770, Bottom: 7443, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: , Size: 2.375, Top: 7130, Depth: 7887, Weight: 4.7 Cement: Sacks: 11, Top: 6890, Bottom: 7887, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4511 N SUSSEX 4511 N NIOBRARA 7016 N NIOBRARA 7016 N CODELL 7306 N CODELL 7306 N J SAND 7748 N J SAND 7748 N Completed information for formation JSND 1st Prod Date: 11/12/1999 Choke Size: 1,064.000 Status Date: 1/24/2000 Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317056&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 1,064.000 Status Date: 11/12/1999 Hole Compl: N Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Wellbore Data for Sidetrack #00 Status: PR 12/13/1999 Spud Date: 7/2/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 990185 Expiration Date: 3/30/2000 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order:407 , Unit Acreage: 80, Drill Unit: N/2 Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: W/2 Wellbore Completed Compltn Date: 8/19/1993 Measured TD: 7475 Measured PB depth: 7420 True Vertical TD: True Vertical PB depth: Log Types: COMP. DENSITY, DIL, CBL-CCL-GR Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 629, Weight: 24 Cement: Sacks: 295, Top: 0, Bottom: 629, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7443, Weight: 7.7 Cement: Sacks: 780, Top: 3770, Bottom: 7443, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: , Size: 2.375, Top: 7130, Depth: 7887, Weight: 4.7 Cement: Sacks: 11, Top: 6890, Bottom: 7887, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4511 N SUSSEX 4511 N NIOBRARA 7016 N NIOBRARA 7016 N CODELL 7306 N CODELL 7306 N J SAND 7748 N J SAND 7748 N Completed information for formation JSND http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317056&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 1st Prod Date: 11/12/1999 Choke Size: 1,064.000 Status Date: 1/24/2000 Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 1,064.000 Status Date: 11/12/1999 Hole Compl: N Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=123170568ctype=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card EI Related Q Insp. Q MIT •GIS a Doc ii Wellbore Order Surface Location Data for API # 05-123-17070 Status: PR Well Name/No: ARISTOCRAT ANGUS#42-8 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55524 County: WELD#123 Location: SENE 8 3N 65V Field: ARISTOCRAT -#2925 Footages: 1520 FNL 550 FE DRLG Contr#: Elevation: 4,863 ft. Lat: 40.242961 Long: -104.679157 Wellbore Data for Sidetrack#00 Status: PR N/A Wellbore Permit Permit#: 930654 Expiration Date: 12/2/1998 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/27/1993 Measured TD: 7385 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 577, Weight: Cement: Sacks: 430, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7372,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4459 NIOBRARA 6952 FORT HAYS 7213 CODELL 7236 Completed information for formation NB-CD 1st Prod Date: 6/27/1993 Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR PERF CODELL FROM 7234-75252 W/2 SPF. SET PKR @ 5020'. FRAC W/525,320# Formation Treatment: SAND (1 PPG THRU 4 PPG) Tubing Size: 2.875 Tubing Setting Depth: Tubing Packer Depth: 5020 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/24/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317070&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 12 BBLS_OIL 22 CALC_BBLS_H2O 12 CALC_BBLS_OIL 22 CALC_GOR 17082 CALC_MCF_GAS 376 CASING-PRESS 680 MCF_GAS 376 TUBING_PRESS 240 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 8/3/2001 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA KILL WELL. POOH W. TBG. BAIL SAND. SET CIBP @ 4595'. RIH W/PACKER AND S Formation Treatment: PUMP 100 SXS OF CLASS G+ 2% CAC12. PUMP 50 SXS OF CLASS G NEAT. RELE DRILL OUT CMT&CIBP. PRESSURE TEST Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317070&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tI Related c Insp. Q MIT •GIS a Doc 11 Wellbore .1t Order Surface Location Data for API # 05-123-16582 Status: PR Well Name/No: ARISTOCRAT ANGUS#22-8(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 6/6/2002 Federal or State Lease#: 55356 County: WELD#123 Location: SENW 8 3N 65Vi Field: ARISTOCRAT -#2925 Footages: 2180 FNL 2180 F\ DRLG Contr#: Elevation: 4,903 ft. Lat: 40.241163 Long: -104.688417 Wellbore Data for Sidetrack #00 Status: PR 6/6/2002 Wellbore Permit Permit#: 921836 Expiration Date: 4/3/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/25/1993 Measured TD: 7915 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 506, Weight: Cement: Sacks: 230, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 918, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4456 NIOBRARA 6995 FORT HAYS 7253 GREENHORN 7341 MOWRY 7717 J SAND 7730 CODELL 7782 SKULL CREEK 7855 Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.250 Status Date: 6/6/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: PR Formation Treatment: REMOVE BP. RESET TBG. SWAB. Tubing Size: 2.375 Tubing Setting Depth: 7310 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316582&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 6/6/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 21 BBLS_OIL 8 CALC_BBLS_H2O 21 CALC_BBLS_OIL 8 CALC_GOR 62125 CALC_MCF_GAS 497 CASING_PRESS 520 MCF_GAS 497 TUBING_PRESS 300 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: Y Commingled: N Prod Metod: Formation Name: J SAND Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/1/1993 Test Method: Gas Dispo: Test Type Measure BBLS_H2O 87 BBLS_OIL 8 CASING_PRESS 1000 MCF_GAS 840 TUBING_PRESS 900 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 1/21/1994 Choke Size: 1,064.000 Status Date: 9/12/2001 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316582&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card = Related Q Insp. q MIT • GIS a Doc if Wellbore a Order Surface Location Data for API # 05-123-10410 Status: PR Well Name/No: B B DRAW H #8-4J (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 68232 County: WELD#123 Location: SESE 8 3N 65W 6 1 Field: WATTENBERG -#90750 Footages: 990 FSL 990 FEL DRLG Contr#: Elevation: 4,886 ft. Lat: 40.235404 Long: -104.6809 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 811627 Expiration Date: 1/24/1982 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 11/24/1981 Measured TD: 7850 Measured PB depth: 7830 True Vertical TD: 7850 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: , Size: 9.625, Top: 0, Depth:490, Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7856, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 3849 NIOBRARA 6983 GREENHORN 7313 Completed information for formation JSND 1st Prod Date: 11/1/1981 Choke Size: 0.000 Status Date: 11/24/1981 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12310410&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout 5- Related Insp. Q MIT •GIS LA Doc if Wellbore Order: Card Surface Location Data for API # 05-123-21515 Status: XX Well Name/No: BB DRAW H#8-16 (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 5/27/2003 8:46:29 AM Federal or State Lease#: County: WELD#123 Location: SESE 8 3N 65W PI Field: WATTENBERG -#90750 Footages: 968 FSL 945 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,890 ft. Lat: 40.235344 Long: -104.68074 Wellbore Data for Sidetrack #00 Status: XX 4/29/2003 Spud Date: 6/15/2003 Spud Date is: PLANNED Wellbore Permit Permit#: 20030747 Expiration Date: 5/22/2004 Prop Depth/Form: 7400 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 407 , Unit Acreage: 80, Drill Unit: S/2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 595, Weight: 24 Cement: Sacks: 220, Top: 0, Bottom: 595, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7400,Weight: 11.6 Cement: Sacks: 225, Top: , Bottom: 7400, Method Grade: Wellbore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom Cored No additional interval records were found for sidetrack 00. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12321515&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. Ct MIT • GIS a Doc If Wellbore ,® Order Surface Location Data for API # 05-123-19956 Status: PR Well Name/No: BB DRAW H#8-14J1 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 8/1/2000 7:02:11 AM Federal or State Lease#: County: WELD#123 Location: SESW 8 3N 65W 6 Field: WATTENBERG -#90750 Footages: 480 FSL 1932 FWL DRLG Contr#: CAZA DRILLING Elevation: 4,900 ft. Lat: 40.233943 Long: -104.689344 Wellbore Data for Sidetrack #00 Status: PR 8/1/2000 Spud Date: 4/18/2000 Spud Date is: ACTUAL Wellbore Permit Permit#: 000342 Expiration Date: 4/12/2001 Prop Depth/Form: 8100 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit:W2 Wellbore Completed Compltn Date: 5/8/2000 Measured TD: 7876 Measured PB depth: 7819 True Vertical TD: True Vertical PB depth: Log Types: COMP DENS,DIL,CBL-CCL-GR Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 649, Weight: 24 Cement: Sacks: 455, Top: 0, Bottom: 649, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7842, Weight: 11.6 Cement: Sacks: 260, Top: 4424, Bottom: 7842, Method Grade: CBL Formation Log Top Log Bottom Cored NIOBRARA 6994 N CODELL 7274 N J SAND 7720 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: 246036 GAL IN 581020#20/40 SAND ON 5-8-00 Tubing Size: 2.375 Tubing Setting Depth: 7686 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/31/2000 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2o 15 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319956&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_OIL 5 CALC_BBLS_H2O 15 CALC_BBLS_OIL 5 CALC_GOR 88 CALC_MCF_GAS 440 CASING_PRESS 450 MCF_GAS 440 TUBING_PRESS 350 No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319956&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. t MIT •GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-17040 Status: PR Well Name/No: BB DRAW H#8-14 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 4/19/2000 9:40:46 AM Federal or State Lease#: 60921 County: WELD #123 Location: SESW 8 3N 65W Field: WATTENBERG -#90750 Footages: 486 FSL 2018 FW DRLG Contr#: Elevation: 4,900 ft. Lat: 40.233961 Long: -104.689036 Wellbore Data for Sidetrack #00 Status: PR 4/19/2000 Spud Date: 7/9/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 930613 Expiration Date: 9/16/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 8/27/1993 Measured TD: 7457 Measured PB depth: 7358 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 598,Weight: Cement: Sacks: 295, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 2.875, Top: 0, Depth: 7432, Weight: Cement: Sacks: 140, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4441 NIOBRARA 6970 CODELL 7254 Completed information for formation NB-CD 1st Prod Date: 8/19/1993 Choke Size: 0.156 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/27/1993 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 2 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317040&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_OIL 40 CALC_BBLS_H2O 6 CALC_BBLS_OIL 120 CALC_GOR 9250 CALC_MCF_GAS 1110 CASING-PRESS 2450 MCF_GAS 370 No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317040&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El4 Related 4 Insp. 4 MIT •GIS a Doc 7f Wellbore -it' Order Surface Location Data for API # 05-123-16577 Status: PR Well Name/No: ARISTOCRAT ANGUS#32-8 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 5/15/1993 Federal or State Lease#: 55524 County: WELD#123 Location: SWNE 8 3N 65\ Field: ARISTOCRAT -#2925 Footages: 1850 FNL 2129 F DRLG Contr#: Elevation: 4,889 ft. Lat: 40.242064 Long: -104.684835 Wellbore Data for Sidetrack #00 Status: PR 5/15/1993 Wellbore Permit Permit#: 921819 Expiration Date: 3/30/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/15/1993 Measured TD: 7379 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 551, Weight: Cement: Sacks: 350, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7379, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4447 NIOBRARA 6975 FORT HAYS 7240 CODELL 7263 Completed information for formation NB-CD 1st Prod Date: 5/15/1993 Choke Size: 864.000 Status Date: 5/15/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316577&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card E Related Q Insp. Q MIT •GIS [fit Doc if Wellbore Order Surface Location Data for API # 05-123-21448 Status: PR Well Name/No: ARISTOCRAT ANGUS#12-8(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 6/30/2003 Federal or State Lease#: County: WELD#123 Location: SWNW 8 3N 65W Field: WATTENBERG -#90750 Footages: 1701 FNL 385 FWL DRLG Contr#: Elevation: 4,944 ft. Lat: 40.242488 Long: -104.694842 Wellbore Data for Sidetrack #00 Status: PR 7/14/2003 Spud Date: 5/17/2003 Spud Date is: ACTUAL Wellbore Permit Permit#: 20031357 Expiration Date: 8/3/2004 Prop Depth/Form: 7956 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing:Code: CODL , Formation: CODELL , Order: 407,407-66, Unit Acreage: 80, Drill Unit: W/2 Formation and Spacing: Code: DKTA , Formation: DAKOTA , Order: 499-1 , Unit Acreage: 320, Drill Unit: W/2 Formation and Spacing: Code: GRNHN , Formation: GREENHORN , Order: 318A , Unit Acreage: 80, Drill Unit: W Formation and Spacing:Code: GRRS , Formation: GRANEROS , Order: 318A, Unit Acreage: 80, Drill Unit: W/2 Formation and Spacing:Code: JSND , Formation: J SAND , Order: 232,318A, Unit Acreage: 320, Drill Unit: W/2 Formation and Spacing:Code: NBRR , Formation: NIOBRARA, Order: 407 , Unit Acreage: 80, Drill Unit: W/2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 639, Weight: 24 Cement: Sacks: 265, Top: 0, Bottom: 639, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7951,Weight: 11.6 Cement: Sacks: 570, Top: 6650, Bottom: 7951, Method Grade: Completion data is confidential until 12/10/2003 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12321448&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card h Related 4 Insp. Q MIT •GIS at Doc if Wellbore ,14 Order Surface Location Data for API # 05-123-17195 Status: PR Well Name/No: BB DRAW H#8-15 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 9/19/1994 Federal or State Lease#: County: WELD #123 Location: SWSE 8 3N 65W Field: WATTENBERG -#90750 Footages: 1060 FSL 1740 FE DRLG Contr#: Elevation: 4,912 ft. Lat: 40.235577 Long: -104.683583 Wellbore Data for Sidetrack #00 Status: PR 5/30/2001 Spud Date: 8/1/2000 Spud Date is: PLANNED Wellbore Permit Permit#: 011107 Expiration Date: 6/6/2001 Prop Depth/Form: 8100 Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: E/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 599,Weight: 24 Cement: Sacks: 300, Top: 0, Bottom: 599, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: , Depth: 7411, Weight: 7.7 Cement: Sacks: 625, Top: 4000, Bottom: 7411, Method Grade: Casing: String Type: 1ST LINER , Hole Size: 3.5, Size: 2.375, Top: , Depth: 8100,Weight: Cement: Sacks: 30, Top: , Bottom: 8100, Method Grade: Wellbore Completed Compltn Date: 10/5/1993 Measured TD: 7467 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 599, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7411, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4393 NIOBRARA 6936 CODELL 7270 Completed information for formation NB-CD 1st Prod Date: 10/5/1993 Choke Size: 1,064.000 Status Date: 10/24/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317195&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317195&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Ell Related Q Insp. 4 MIT •GIS a Doc 11 Wellbore Order Surface Location Data for API # 05-123-17232 Status: PR Well Name/No: BB DRAW#H 8-10 (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 7/25/2002 Federal or State Lease#: 61223 County: WELD#123 Location: SWSE 8 3N 65W Field: WATTENBERG -#90750 Footages: 1085 FSL 1740 FE DRLG Contr#: Elevation: 4,892 ft. Lat: 40.235645 Long: -104.683581 Wellbore Data for Sidetrack #00 Status: PR 7/25/2002 Wellbore Permit Permit#: 931018 Expiration Date: 1/2/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 10/6/1993 Measured TD: 7624 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 598, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7699, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4696 NIOBRARA 7322 CODELL 7589 Completed information for formation NB-CD 1st Prod Date: 10/6/1993 Choke Size: 0.250 Status Date: 7/25/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: 131,124 GAL V VISTOR 24#GEL & 245,860#20/40 OTTAWA SAND Tubing Size: 2.0625 Tubing Setting Depth: 7559 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/25/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 3 BBLS_OIL 6 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317232&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 CALC_BBLS_H2O 6 CALC_BBLS_OIL 12 CALC_GOR 40 CALC_MCF_GAS 482 CASING_PRESS 325 MCF_GAS 241 TUBING_PRESS 225 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 10/16/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: SI Formation Treatment: SQUEEZED WITH CEMENT 6/26/02 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317232&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. Q MIT •GIS a Doc If Wellbore 't Order Surface Location Data for API # 05-123-08284 Status: PR Well Name/No: ARISTOCRAT ANGUS#1 (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 6/14/2002 Federal or State Lease#: 68236 County: WELD#123 Location: SWSW 8 3N 65W 6 Field: WATTENBERG -#90750 Footages: 990 FSL 990 FWL DRLG Contr#: Elevation: 4,902 ft. Lat: 40.235319 Long: -104.692712 Wellbore Data for Sidetrack #00 Status: PR 6/14/2002 Wellbore Permit Permit#: 750062 Expiration Date: 7/21/1999 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 6/5/1975 Measured TD: 7880 Measured PB depth: 7780 True Vertical TD: 7880 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 126, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7864, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4300 NIOBRARA 6986 CARLILE 7304 GREENHORN 7355 BENTONITE 7561 J SAND 7710 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.250 Status Date: 6/14/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 132,510 GAL VISTAR 28/26#GEL &245,340#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7273 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/14/2002 Test Method: FLOWING Gas Dispo: SOLD http://oil-gas.state.co.us/cogis/PacilityDetail.asp?facid=12308284&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_H2O 3 BBLS_OIL 5 CALC_BBLS_H2O 6 CALC_BBLS_OIL 10 CALC_GOR 17 CALC_MCF_GAS 168 CASING_PRESS 550 MCF_GAS 84 TUBING_PRESS 475 No Perforation Data was found for formation CODL . Completed information for formation JSND 1st Prod Date: 2/13/1976 Choke Size: 3,264.000 Status Date: 6/5/1975 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12308284&type=WELL 8/5/2003 COGIS - Query Process Page 1 of 1 (b(bit' 9 -Qroci . a2 COGIS - Facility Query Results 1 9gt C9 ()reseal- 2,), You requested facilities by: 'WELL' add 'I 3(47 % . Maximum records are limited to: Unlimited - Expect Delays! For detail information: Click on facility type. Search Results -22 record(s) returned. Facility ID/ Facility Name/ Operator Name/ Status F Facility Type API Number Number WELL 05-123-09682 ARISTOCRAT 41-9 KERR-MCGEE ROCKY MOUNTAIN CORP PR Al 1 47120 WELL 05-123-16123 BEEBE DRAW KERR-MCGEE ROCKY MOUNTAIN CORP PR WI 41-9 47120 WELL 05-123-09635 UPRR 39 AMOCO D KERR-MCGEE ROCKY MOUNTAIN CORP PR Al 2 47120 WELL 05-123-15636 UPRC PATINA OIL&GAS CORPORATION PR W 9-3J 67305 WELL 05-123-09636 UPRR 39 AMOCO D KERR-MCGEE ROCKY MOUNTAIN CORP PA Al 3 47120 WELL 05-123-17350 HSR-MORTON KERR-MCGEE ROCKY MOUNTAIN CORP PR Wi 9-9 47120 WELL 05-123-15640 UPRC PATINA OIL&GAS CORPORATION PR Wi 9-11J 67305 WELL 05-123-18461 UPRC PATINA OIL& GAS CORPORATION PR Wi 9-14J5 67305 WELL 05-123-12812 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP W PR 31-9 47120 WELL 05-123-15637 UPRC PATINA OIL & GAS CORPORATION PR Wi 9.4J 67305 WELL 05-123-17262 HSR-PALLETTE KERR-MCGEE ROCKY MOUNTAIN CORP PR WI 10-9 47120 WELL 05-123-13323 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR WI 42-9 47120 WELL 05-123-15639 UPRC PATINA OIL & GAS CORPORATION PR Wi 9-6J 67305 WELL 05-123-15937 UPRC PATINA OIL & GAS CORPORATION PR W 9-6J-2 67305 WELL 05-123-17263 HSR-RICHARDS KERR-MCGEE ROCKY MOUNTAIN CORP PR Wi 16-9A 47120 WELL 05-123-14736 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR Wi 32-9 47120 WELL 05-123-09725 ARISTOCRAT 32-9 KERR-MCGEE ROCKY MOUNTAIN CORP PR Al 2 47120 UPRC SNYDER OIL CORP WELL 05-123-15638 AL W 9-5J5 80530 WELL 05-123-09529 UPRR 39 PAN AM D KERR-MCGEE ROCKY MOUNTAIN CORP PR Al 1 47120 WELL 05-123-17351 HSR-PERRY KERR-MCGEE ROCKY MOUNTAIN CORP PR Wi 15-9A 47120 WELL 05-123-18460 UPRC PATINA OIL & GAS CORPORATION PR W 9-12J5 67305 WELL 05-123-15641 UPRC PATINA OIL & GAS CORPORATION PR W 9-13J 67305 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS at Doc if Wellbore 13, Order Surface Location Data for API # 05-123-09682 Status: PR Well Name/No: ARISTOCRAT 41-9#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 7/1/1996 Federal or State Lease#: 55454 County: WELD#123 Location: NENE 9 3N 65W Field: ARISTOCRAT -#2925 Footages: 660 FNL 660 FEL DRLG Contr#: ALLISON DRILLING CO INC Elevation: 4,816 ft. Lat: 40.245307 Long: -104.660604 Wellbore Data for Sidetrack#00 Status: PR 7/1/1996 Wellbore Permit Permit#: 790111 Expiration Date: 6/16/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 4/10/1979 Measured TD: 4596 Measured PB depth: 0 True Vertical TD: 4596 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 447,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth:4590,Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4343 Completed information for formation SUSX 1st Prod Date: 8/7/1979 Choke Size: 2,264.000 Status Date: 8/7/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oi1-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309682&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout + Related Cl Insp. Q_MIT •GIS Cl Doc if Wellbore — Order Card Surface Location Data for API # 05-123-09635 Status: PR Well Name/No: UPRR 39 AMOCO D#2(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 55401 County: WELD#123 Location: NENW 9 3N 65W 6 PI Field: ARISTOCRAT -#2925 Footages: 660 FNL 1980 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,839 ft. Lat: 40.245314 Long: -104.670038 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 781171 Expiration Date: 3/16/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NW Wellbore Completed Compltn Date: 5/13/1979 Measured TD: 4644 Measured PB depth: 4596 True Vertical TD: 4644 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 259, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5,Top: 0, Depth:4643,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 490 SUSSEX 4405 Completed information for formation SUSX 1st Prod Date: 4/18/1979 Choke Size: 2,064.000 Status Date: 5/13/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309635&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information scout Related Q Insp. 4 MIT S GIS a Doc if Wellbore - Orders Card Surface Location Data for API # 05-123-09636 Status: PA Well Name/No: UPRR 39 AMOCO D#3 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/31/2002 Federal or State Lease#: 55401 County: WELD#123 Location: NESE 9 3N 65W 6 P1 Field: ARISTOCRAT -#2925 Footages: 1980 FSL 660 FEL DRLG Contr#: EXETER DRILLING CO Elevation: 4,824 ft. Lat: 40.238106 Long: -104.660931 Wellbore Data for Sidetrack #00 Status: PA 7/31/2002 Wellbore Permit Permit#: 781172 Expiration Date: 3/11/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2SE Wellbore Completed Compltn Date: 5/15/1979 Measured TD: 4644 Measured PB depth: 4605 True Vertical TD: 4644 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: , Size: 8.625,Top: , Depth: 504,Weight: Cement: Sacks: , Top: 0, Bottom: , Method Grade: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 504, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: , Size:4.5,Top: , Depth:4643, Weight: Cement: Sacks: , Top: 3700, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth:4643, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 474 SUSSEX 4381 Completed information for formation SUSX 1st Prod Date: 4/9/1979 Choke Size: 4,064.000 Status Date: 7/31/2002 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PA Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309636&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309636&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout El Related Q Insp. Q MIT •GIS a Doc 11 Wellbore Afr Orders Card Surface Location Data for API # 05-123-09725 Status: PR Well Name/No: ARISTOCRAT 32-9#2 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 7/1/1996 Federal or State Lease#: 55454 County: WELD#123 Location: SWNE 9 3N 65W 6 P1 Field: ARISTOCRAT -#2925 Footages: 1980 FNL 1980 FEL DRLG Contr#: Elevation: 4,844 ft. Lat: 40.241688 Long: -104.665499 Wellbore Data for Sidetrack #00 Status: PR 7/1/1996 Wellbore Permit Permit#: 790450 Expiration Date: 9/30/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 7/5/1979 Measured TD: 4620 Measured PB depth: 4633 True Vertical TD: 4620 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 442,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 446 SUSSEX 4415 Completed information for formation SUSX 1st Prod Date: 8/13/1979 Choke Size: 2,664.000 Status Date: 8/13/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309725&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El .. Related C34 Insp. Q MIT •GIS a Doc if Wellbore .,a Order Surface Location Data for API # 05-123-09529 Status: PR Well Name/No: UPRR 39 PAN AM D#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 55401 County: WELD#123 Location: SWNW 9 3N 65W 6 F Field: ARISTOCRAT -#2925 Footages: 1980 FNL 660 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,863 ft. Lat: 40.241693 Long: -104.674849 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 780588 Expiration Date: 10/30/1979 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: S2NW Wellbore Completed Compltn Date: 4/11/1979 Measured TD: 4676 Measured PB depth: 4607 True Vertical TD: 4676 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 565, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth:4678, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS BASE 545 SUSSEX 4451 Completed information for formation SUSX 1st Prod Date: 4/11/1979 Choke Size: 1,864.000 Status Date: 4/11/1979 Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309529&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. Cl MIT •GIS at Doc if Wellbore . Order Surface Location Data for API # 05-123-16123 Status: PR Well Name/No: BEEBE DRAW#41-9 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 8/29/1994 Federal or State Lease#: 66972 County: WELD#123 Location: NENE 9 3N 65W 6 I Field: WATTENBERG -#90750 Footages: 1080 FNL 1000 FEL DRLG Contr#: Elevation: 4,812 ft. Lat: 40.244155 Long: -104.661875 Wellbore Data for Sidetrack #00 Status: PR 8/29/1994 Wellbore Permit Permit#: 921068 Expiration Date: 10/18/1994 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: E2 Wellbore Completed Compltn Date: 10/14/1992 Measured TD: 7785 Measured PB depth: 7744 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 509,Weight: Cement: Sacks: 120, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7776, Weight: Cement: Sacks: 0,Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6834 CODELL 7136 J SAND 7608 Completed information for formation JSND 1st Prod Date: 10/26/1992 Choke Size: 1,464.000 Status Date: 11/10/1992 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316123&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316123&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tl Related Q Insp. 4 MIT • GIS a Doc Y Wellbore 't Order Surface Location Data for API # 05-123-15636 Status: PR Well Name/No: UPRC#9-3J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66805 County: WELD#123 Location: NENW 9 3N 65V1 Field: WATTENBERG -#90750 Footages: 554 FNL 2069 RN DRLG Contr#: EXETER DRILLING CO Elevation: 4,837 ft. Lat: 40.245314 Long: -104.670099 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 980824 Expiration Date: 9/3/1999 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/19/1992 Measured TD: 7310 Measured PB depth: 7261 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 567, Weight: Cement: Sacks: 360, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7305,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3799 SUSSEX 4227 NIOBRARA 6880 FORT HAYS 7162 CODELL 7185 J SAND 7636 Completed information for formation NB-CD 1st Prod Date: 6/6/1992 Choke Size: 3,664.000 Status Date: 6/9/1992 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?£acid=12315636&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related q_Insp. Q MIT •GIS a Doc 11 Wellbore it Order Surface Location Data for API # 05-123-17350 Status: PR Well Name/No: HSR-MORTON#9-9_ (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 61091 County: WELD#123 Location: NESE 9 3N 65W Field: WATTENBERG -#90750 Footages: 2105 FSL 963 FEl DRLG Contr#: EXETER DRILLING CO Elevation: 4,816 ft. Lat: 40.238452 Long: -104.662001 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 9/20/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 980965 Expiration Date: 10/25/1999 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/11/1999 Measured TD: 7745 Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: CDCNGR,ISGR,CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 563,Weight: 24 Cement: Sacks: 35, Top: 0, Bottom: 563, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7286,Weight: 11.6 Cement: Sacks: 145, Top: 6220, Bottom: 7286, Method Grade: CBL Casing: String Type: 2ND , Hole Size: 3.875, Size: 2.875, Top: 7205, Depth: 7745, Weight: 6.5 Cement: Sacks: 35, Top: 7200, Bottom: 7745, Method Grade: CBL Formation Log Top Log Bottom Cored SHANNON SANDSTONE 0 0 N SUSSEX 0 0 N NIOBRARA 6860 FORT HAYS 7116 CODELL 7138 J SAND 7592 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.313 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: CM Formation Treatment: Tubing Size: 2.375 Tubing Setting Depth: 7169 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317350&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Initial Test Data: Test Date: N/A Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_H2O 9 BBLS_OIL 3 CALC_BBLS_H2O 9 CALC_BBLS_OIL 3 CALC_GOR 140667 CALC_MCF_GAS 422 CASING_PRESS 525 GRAVITY_OIL 60 MCF_GAS 422 TUBING_PRESS 425 Perferation Data: Interval Bot: 7655 Interval Top: 6860 #of Holes: Hole Size: Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 10/14/1993 Choke Size: 1,064.000 Status Date: 10/20/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317350&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related 4 Insp. Q MIT •GIS a Doc lf Wellbore ,S Order Surface Location Data for API # 05-123-15640 Status: PR Well Name/No: UPRC#9-11J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 6/28/2002 Federal or State Lease#: 66943 County: WELD#123 Location: NESW 9 3N 65VA Field: WATTENBERG -#90750 Footages: 1978 FSL 1928 FV DRLG Contr#: EXETER DRILLING CO Elevation: 4,829 ft. Lat: 40.238126 Long: -104.670384 Wellbore Data for Sidetrack#00 Status: PR 6/28/2002 Wellbore Permit Permit#: 920252 Expiration Date: 4/23/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 2 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/6/1992 Measured TD: 7358 Measured PB depth: 7298 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 557,Weight: Cement: Sacks: 360,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7342, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3817 SUSSEX 4241 NIOBRARA 6868 FORT HAYS 7150 CODELL 7173 Completed information for formation NB-CD 1st Prod Date: 6/4/1992 Choke Size: 0.250 Status Date: 6/28/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: 131,796 GAL VISTAR 28/26#GEL&245,940#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7138 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/28/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315640&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 1 BBLS_OIL 10 CALC_BBLS_H2O 1 CALC_BBLS_OIL 10 CALC_GOR 23 CALC_MCF_GAS 228 CASING_PRESS 375 MCF_GAS 228 TUBING_PRESS 225 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 5/23/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA Formation Treatment: CEMENT SQUEEZE W/150 SX CLASS G CMT ON 5/23/02 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315640&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card Related Cl Insp. Q MIT *GIS a Doc if Wellbore "14. Order Surface Location Data for API # 05-123-18461 Status: PR Well Name/No: UPRC#9-14J5 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 61640 County: WELD#123 Location: NESW 9 Field: WATTENBERG -#90750 Footages: 1700 FSL DRLG Contr#: Elevation: 4,834 ft. Lat: 40.237359 Long: -104.6692 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 941009 Expiration Date: 2/1/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 12/30/1994 Measured TD: 7541 Measured PB depth: 7465 True Vertical TD: 7329 True Vertical PB depth: Log Types: Casing: String Type: 1ST , Hole Size: 9.875, Size: 7, Top: 0, Depth: 592, Weight: Cement: Sacks: 180, Top: 0, Bottom: , Method Grade: Casing: String Type: 2ND , Hole Size: 6.25, Size: 3.5, Top: 0, Depth: 7525, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom PARKMAN 3984 SUSSEX 4602 NIOBRARA 7111 FORT HAYS 7352 CODELL 7375 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWINC Formation Name: CODELL Status: PR Formation Treatment: 132,888 GAL VISTAR 24/22 FLUID &246,660#20/40 SAND, 8/23/01 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/7/2001 Test Method: FLOVVINC Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318461&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 BBLS_H2O 6 BBLS_OIL 25 CALC_BBLS_H2O 6 CALC_BBLS_OIL 25 CALC_GOR 24 CALC_MCF_GAS 597 CASING_PRESS 597 MCF_GAS 597 No Perforation Data was found for formation CODL Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWINC Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: ACIDIZE W/1000 GAL 7 1/2% HCI; 109,200 GAL YF535 FLUID &418,000#20/40 SAP Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/16/1994 Test Method: FLOWINC Gas Dispo: SOLD Test Type Measure BBLS_H2O 4 BBLS_OIL 18 CALC_BBLS_H2O 4 CALC_BBLS_OIL 18 CALC_GOR 15 CALC_MCF_GAS 266 CASING_PRESS 900 MCF_GAS 266 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 12/30/1994 Choke Size: 0.000 Status Date: 1/16/1995 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: RC Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX. No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 8/7/2001 Hole Compl: N Commingled: N Prod Metod: FLOWINC Formation Name: SUSSEX Status: SI Formation Treatment: 84,168 GAL YF 135 FLUID & 300,000#20/40 SAND, 12/7/94 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318461&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 1/16/1995 Test Method: FLOWINC Gas Dispo: SOLD Test Type Measure BBLS_H2O 12 BBLS_OIL 10 CALC_BBLS_H2O 13 CALC_BBLS_OIL 10 CALC_GOR 29 CALC_MCF_GAS 293 CASING_PRESS 525 MCF_GAS 293 TUBING_PRESS 220 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318461&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. k MIT •GIS a Doc If Wellbore ,1,® Order Surface Location Data for API # 05-123-12812 Status: PR Well Name/No: BEEBE DRAW UPRR#31-9(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: NWNE 9 3N 65W Field: WATTENBERG -#90750 Footages: 600 FNL 1980 FEL DRLG Contr#: Elevation: 4,816 ft. Lat: 40.245475 Long: -104.665327 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 11/4/2002 Spud Date is: ACTUAL Wellbore Permit Permit#: 20021016 Expiration Date: 6/5/2003 Prop Depth/Form: 7760 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 0, Drill Unit: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 511, Weight: 24 Cement: Sacks: 340, Top: 0, Bottom: 511, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7320,Weight: 12.75 Cement: Sacks: 225, Top: 6220, Bottom: 7320, Method Grade: Casing: String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 4650, Weight: Cement: Sacks: 375, Top: 3080, Bottom:4640, Method Grade: Wellbore Completed Compltn Date: 7/23/2002 Measured TD: 7770 Measured PB depth: 7736 True Vertical TD: True Vertical PB depth: Log Types: CDGRC, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 511,Weight: 24 Cement: Sacks: 340, Top: 0, Bottom: 511, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7320, Weight: 12.75 Cement: Sacks: 225, Top: 6220, Bottom: 7320, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: ,Weight: Cement: Sacks: 375,Top: 3100, Bottom:4650, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7250, Depth: 7769, Weig Cement: Sacks: 21, Top: 7250, Bottom: 7769, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4436 N NIOBRARA 6897 N FORT HAYS 7141 CODELL 7166 N CARLILE 7182 GREENHORN 7226 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312812&type=WELL 8/5/2003 COGIS -WELL Information Page 2 of 2 J SAND 7620 N Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.375 Status Date: 9/1/2002 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: FRAC'D J SAND W/500100#20/40 MESH; 211092 GALLONS GELLED FLUID J SANI Formation Treatment: 7620'- 7690'COMMINGLED WITH NB-CD Tubing Size: 2.375 Tubing Setting Depth: 7588 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/1/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_OIL 2 CALC_BBLS_OIL 2 CALC_GOR 70500 CALC_MCF_GAS 141 CASING_PRESS 350 GRAVITY_OIL 60 MCF_GAS 141 TUBING_PRESS 150 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 2/24/1986 Choke Size: 1,264.000 Status Date: 12/18/1985 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312812&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Ei Related Q Insp. Q MIT •GIS a. Doc 11 Wellbore a Order Surface Location Data for API # 05-123-15637 Status: PR Well Name/No: UPRC#9-4J (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 6/13/2002 Federal or State Lease#: 61991 County: WELD#123 Location: NWNW 9 Field: WATTENBERG -#90750 Footages: 271 FNL DRLG Contr#: EXETER DRILLING CO Elevation: 4,849 ft. Lat: 40.246384 Long: -104.6733 Wellbore Data for Sidetrack #00 Status: PR 6/13/2002 Wellbore Permit Permit#: 920249 Expiration Date: 7/1/1992 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 2 , Unit Acreage: 8 Wellbore Completed Compltn Date: 6/15/1992 Measured TD: 7344 Measured PB depth: 7294 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 562, Weight: Cement: Sacks: 380, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7337, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom PARKMAN 3795 SUSSEX 4218 NIOBRARA 6924 FORT HAYS 7157 CODELL 7179 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.500 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: 133,728 GAL VISTAR 22/20 FJUID AND 245,560#20/40 SAND, 7/18/01, Tubing Size: 2.375 Tubing Setting Depth: 7160 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/14/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315637&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 2 CALC_BBLS_H2O 8 CALC_BBLS_OIL 8 CALC_GOR 87 CALC_MCF_GAS 696 CASING_PRESS 500 MCF_GAS 174 TUBING_PRESS 350 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 2/7/1993 Choke Size: 3,064.000 Status Date: 2/10/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: RC Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: 0.469 Status Date: 6/13/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: 82,908 GAL APOLLO 35 FLUID & 300,500#20/40 SAND, 10/21/92 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 2/10/1993 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 4 BBLS_OIL 15 CALC_BBLS_H2O 6 CALC_BBLS_OIL 24 CALC_GOR 12 CALC_MCF_GAS 288 CASING_PRESS 480 MCF_GAS 180 TUBING_PRESS 400 No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315637&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card ti " Related Cl Insp. Cl MIT • GIS lit Doc if Wellbore Order Surface Location Data for API # 05-123-17262 Status: PR Well Name/No: HSR-PALLETTE#10-9 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: NWSE 9 3N 1 Field: WATTENBERG -#90750 Footages: 1860 FSL 218i DRLG Contr#: Elevation: 4,814 ft. Lat: 40.23779 Long: -104.666393 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 8/21/1996 Spud Date is: ACTUAL Wellbore Permit Permit#: 20020942 Expiration Date: 5/20/2003 Prop Depth/Form: 7750 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 518, Weight: 24 Cement: Sacks: 365, Top: 0, Bottom: 518, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: , Depth: 7273, Weight: 11.6 Cement: Sacks: 140, Top: 6450, Bottom: 7276, Method Grade: Wellbore Completed Compltn Date: 7/19/2002 Measured TD: 7770 Measured PB depth: 7738 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 518, Weight: 24 Cement: Sacks: 365, Top: 0, Bottom: 518, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7273,Weight: 11.6 Cement: Sacks: 140, Top: 6450, Bottom: 7273, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 305, Top: 3836, Bottom: 5133, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7216, Depth: 7770, Weig Cement: Sacks: 21, Top: 7216, Bottom: 7770, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4399 N NIOBRARA 6866 N FORT HAYS 7124 N CODELL 7146 N CARLILE 7160 GREENHORN 7216 J SAND 7600 N http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317262&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.281 Status Date: 8/28/2002 Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: FRAC'D J SAND W/384300#20/40 MESH; 166961 GALLONS GELLED FLUID J SANI Formation Treatment: 7658' COMMINGLED J SAND WIH NBCSX Tubing Size: 2.375 Tubing Setting Depth: 7582 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/28/2002 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 2 CALC_BBLS_OIL 2 CALC_GOR 199000 CALC_MCF_GAS 398 CASING_PRESS 520 GRAVITY_OIL 60 MCF_GAS 398 TUBING_PRESS 275 No Perforation Data was found for formation JNCSX . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 10/14/1993 Choke Size: 1,064.000 Status Date: 10/20/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317262&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317262&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS a Doc if Wellbore it Order Surface Location Data for API # 05-123-13323 Status: PR Well Name/No: BEEBE DRAW UPRR#42-9(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 67227 County: WELD #123 Location: SENE 9 3N 65W Field: WATTENBERG -#90750 Footages: 1980 FNL 660 FEL DRLG Contr#: Elevation: 4,814 ft. Lat: 40.241684 Long: -104.660769 Wellbore Data for Sidetrack#00 Status: PR N/A Wellbore Permit Permit#: 870006 Expiration Date: 5/7/1987 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 0, Drill Unit Wellbore Completed Compltn Date: 1/26/1987 Measured TD: 7222 Measured PB depth: 7238 True Vertical TD: 7222 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 435,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7252,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4338 NIOBRARA 6850 FORT HAYS 7112 CODELL 7136 CARLILE 7137 GREENHORN 7195 Completed information for formation NB-CD 1st Prod Date: 1/24/1987 Choke Size: 1,264.000 Status Date: 3/7/1987 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?£acid=12313323&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card Related 4Insp. Q MIT •GIS a Doc If Wellbore Order Surface Location Data for API # 05-123-15639 Status: PR Well Name/No: UPRC#9-6J (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 1/3/1994 Federal or State Lease#: 66939 County: WELD#123 Location: SENW 9 3N 651A Field: WATTENBERG -#90750 Footages: 2100 FNL 1986 F\ DRLG Contr#: EXETER DRILLING CO Elevation: 4,822 ft. Lat: 40.24136 Long: -104.670105 Wellbore Data for Sidetrack #00 Status: PR 1/3/1994 Spud Date: 4/6/1992 Spud Date is: ACTUAL Wellbore Permit Permit#: 990346 Expiration Date: 5/24/2000 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 4/30/1992 Measured TD: 7768 Measured PB depth: 7738 True Vertical TD: True Vertical PB depth: Log Types: GR,CDL,CBL,CALIPER Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 552, Weight: 23 Cement: Sacks: 320, Top: 0, Bottom: 552, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7290,Weight: 11.6 Cement: Sacks: 375, Top:4112, Bottom: 7290, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: , Size: 2.875, Top: 0, Depth: 7749, Weight: 6.5 Cement: Sacks: 24, Top: 6763, Bottom: 7739, Method Grade: CBL Formation Log Top Log Bottom Cored PARKMAN 3812 SUSSEX 4254 N NIOBRARA 6862 N CODELL 7122 N FORT HAYS 7150 J SAND 7736 N Completed information for formation JSND 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315639&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Initial Test Data: Test Date: 9/30/1999 Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_H2O 9 BBLS_OIL 5 CALC_BBLS_H2O 9 CALC_BBLS_OIL 5 CALC_GOR 95000 CALC_MCF_GAS 476 CASING_PRESS 660 MCF_GAS 476 TUBING_PRESS 420 Perferation Data: Interval Bot: 7688 Interval Top: 7626 #of Holes: 82 Hole Size: Completed information for formation NB-CD 1st Prod Date: 6/7/1992 Choke Size: 0.359 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/10/1992 Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_H2O 10 BBLS_OIL 51 CALC_BBLS_H2O 10 CALC_BBLS_OIL 51 CALC_GOR 11 CALC_MCF_GAS 560 CASING_PRESS 590 MCF_GAS 560 TUBING_PRESS 350 Perferation Data: Interval Bot: 7189 Interval Top: 6886 #of Holes: 76 Hole Size: Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: SUSSEX Status: SI Formation Treatment: 72785 GALS IN 301000#20/40 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315639&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Initial Test Data: Test Date: 1/3/1994 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 11 BBLS_OIL 8 CALC_BBLS_k2O 11 CALC_BBLS_OIL 8 CALC_GOR 37625 CALC_MCF_GAS 301 MCF_GAS 301 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315639&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card h Related Q Insp. Q MIT • GIS IA Doc 11 Wellbore 't Order Surface Location Data for API # 05-123-15937 Status: PR Well Name/No: UPRC#9-6J-2_ (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 5/10/2002 Federal or State Lease#: 68855 County: WELD#123 Location: SENW 9 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1377 FNL 1362 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,827 ft. Lat: 40.243347 Long: -104.672296 Wellbore Data for Sidetrack #00 Status: PR 5/10/2002 Wellbore Permit Permit#: 920770 Expiration Date: 4/14/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: J-CDL , Formation: J-CODELL , Order: 0 , Unit Acreage: 320, Drill Unit: W2 Wellbore Completed Compltn Date: 10/23/1992 Measured TD: 7920 Measured PB depth: 7915 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 612,Weight: Cement: Sacks: 420, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7931, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3780 SUSSEX 4206 NIOBRARA 6895 FORT HAYS 7129 CODELL 7152 GREENHORN 7216 J SAND 7614 DAKOTA 7821 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.156 Status Date: 5/10/2002 Hole Compl: Y Commingled: N Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 133,056 GAL VISTAR 28/26#GEL&246,160#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7062 Tubing Packer Depth: 7062 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315937&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 5/10/2002 Test Method: FLOWING Gas Dispo: Test Type Measure BBLS_H2O 6 BBLS_OIL 28 CALC_BBLS_H2O 6 CALC_BBLS_OIL 28 CALC_GOR 21 CALC_MCF_GAS 592 MCF_GAS 592 TUBING_PRESS 525 No Perforation Data was found for formation CODL . Completed information for formation J-CDL 1st Prod Date: 10/27/1992 Choke Size: 2,064.000 Status Date: 3/18/1993 Hole Compl: Commingled: Prod Metod: Formation Name: J-CODELL Status: RC Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation J- CDL . No Perforation Data was found for formation J- CDL . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315937&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT • GIS a Doc if Wellbore ,t Order Surface Location Data for API # 05-123-17263 Status: PR Well Name/No: HSR-RICHARDS#16-9A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SESE 9 3N 6 Field: WATTENBERG -#90750 Footages: 460 FSL 860 F DRLG Contr#: Elevation: 4,811 ft. Lat: 40.233936 Long: -104.661837 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 8/26/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 20020613 Expiration Date: 4/2/2003 Prop Depth/Form: 7750 Surface Mineral Owner Same: Y Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E/2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 512, Weight: 24 Cement: Sacks: 355, Top: 0, Bottom: 512, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: , Depth: 7282, Weight: 11.6 Cement: Sacks: 140, Top: 3840, Bottom: 7282, Method Grade: Wellbore Completed Compltn Date: 5/10/2002 Measured TD: 7750 Measured PB depth: 7716 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 512, Weight: 24 Cement: Sacks: 355, Top: 0, Bottom: 512, Method Grade: CALC Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7282, Weight: 11.6 Cement: Sacks: 200, Top: 6400, Bottom: 7282, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 140, Top: 3840, Bottom: 4833, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7201, Depth: 7749, Weig Cement: Sacks: 21, Top: 7201, Bottom: 7749, Method Grade: CBL Formation Log Top Log Bottom Core' FOX HILLS 100 SUSSEX 4405 N NIOBRARA 6859 N FORT HAYS 7113 N CODELL 7135 N GREENHORN 7262 J SAND 7589 N Completed information for formation JNCSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317263&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 1st Prod Date: N/A Choke Size: 0.250 Status Date: 6/24/2002 Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: FRAC'D J SAND W/383440#20/40 MESH; 164010 GALLONS GELLED FLUID J SAN Formation Treatment: 7650'COMMINGLED J SAND WITH NBCSX Tubing Size: 2.375 Tubing Setting Depth: 7603 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 6/24/2002 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 5 CALC_BBLS_OIL 5 CALC_GOR 83200 CALC_MCF_GAS 416 CASING_PRESS 500 GRAVITY_OIL 60 MCF_GAS 416 TUBING_PRESS 250 No Perforation Data was found for formation JNCSX . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 10/14/1993 Choke Size: 1,064.000 Status Date: 10/20/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317263&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317263&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card El Related Q Insp. Q. MIT •GIS la Doc if Wellbore }2 Order Surface Location Data for API # 05-123-14736 Status: PR Well Name/No: BEEBE DRAW UPRR#32-9 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWNE 9 3N 65b Field: WATTENBERG -#90750 Footages: 1780 FNL 1980 F DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,826 ft. Lat: 40.242237 Long: -104.665474 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 9/17/1990 Spud Date is: ACTUAL Wellbore Permit Permit#: 001150 Expiration Date: 10/22/2001 Prop Depth/Form: 7780 Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: E2NE Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 585, Weight: 24 Cement: Sacks: 300, Top: 0, Bottom: 585, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: , Depth: 7311, Weight: 11.6 Cement: Sacks: 225, Top: 6400, Bottom: 7311, Method Grade: Wellbore Completed Compltn Date: 7/3/2001 Measured TD: 7782 Measured PB depth: 7750 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 585,Weight: 24 Cement: Sacks: 300, Top: 0, Bottom: 585, Method Grade: CALC Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7311, Weight: 11.6 Cement: Sacks: 225, Top: 6400, Bottom: 7311, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 400, Top: 3900, Bottom: 4850, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7238, Depth: 7781, Weig Cement: Sacks: 35, Top: 7238, Bottom: 7781, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4410 N NIOBRARA 6882 N FORT HAYS 7141 N CODELL 7164 N J SAND 7630 N Completed information for formation CODL 1st Prod Date: 11/9/1990 Choke Size: 864.000 Status Date: 11/15/1990 Hole Compl: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314736&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Commingled: Y Prod Metod: Formation Name: CODELL Status: Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation CODL . No Perforation Data was found for formation CODL . Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-NIOBRARA-CODELL Status: FRAC'D J SAND W/5003800#20/40; 210694 GAL. GELLED FLUID J SAND PERFS: Formation Treatment: COMMINGLED WITH NB-CD Tubing Size: 2.375 Tubing Setting Depth: 7625 Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/27/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 3 CALC_BBLS_OIL 3 CALC_GOR 83000 CALC_MCF_GAS 249 CASING_PRESS 500 GRAVITY_OIL 60 MCF_GAS 249 TUBING_PRESS 275 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314736&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314736&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information scout Card El Related Q Insp. QMIT • GIS [I Doc 11 Wellbore )4 Order Surface Location Data for API # 05-123-17351 Status: PR Well Name/No: HSR-PERRY#15-9A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWSE 9 3N f Field: WATTENBERG -#90750 Footages: 360 FSL 1780 DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,819 ft. Lat: 40.23367 Long: -104.665146 Wellbore Data for Sidetrack#00 Status: PR N/A Spud Date: 9/15/1993 Spud Date is: ACTUAL Wellbore Permit Permit#: 000423 Expiration Date: 5/9/2001 Prop Depth/Form: 7750 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E2 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 566,Weight: 24 Cement: Sacks: 395, Top: 0, Bottom: 566, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: , Depth: 7298, Weight: 11.6 Cement: Sacks: 250, Top: 3800, Bottom: 7298, Method Grade: Wellbore Completed Compltn Date: 8/9/2000 Measured TD: 7756 Measured PB depth: 4819 True Vertical TD: True Vertical PB depth: 4829 Log Types: SAAILC,SACNLD,CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 566,Weight: 24 Cement: Sacks: 395, Top: 0, Bottom: 566, Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7298, Weight: 11.6 Cement: Sacks: 250, Top: 3800, Bottom: 5000, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 7298, Weight: Cement: Sacks: 130, Top: 6400, Bottom: 7756, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7230, Depth: 7756, Weig Cement: Sacks: 40, Top: 7200, Bottom: 7756, Method Grade: CBL Formation Log Top Log Bottom Core FOX HILLS 100 SUSSEX 4379 N NIOBRARA 6906 N FORT HAYS 7120 N CODELL 7144 N CARLILE 7159 GREENHORN 7214 J SAND 7602 N http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317351&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: PR Formation Treatment: COMMINGLED J SAND WITH NBCDSX Tubing Size: 2.375 Tubing Setting Depth: 7218 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 10/24/2000 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 7 CALC_BBLS_OIL 7 CALC_GOR 79143 CALC_MCF_GAS 554 CASING_PRESS 550 GRAVITY_OIL 60 MCF_GAS 554 TUBING_PRESS 450 No Perforation Data was found for formation JNCSX. Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/28/2000 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 2 BBLS_OIL 10 CALC_BBLS_H2O 2 CALC_BBLS_OIL 10 CALC_GOR 72200 CALC_MCF_GAS 722 MCF_GAS 722 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: 10/14/1993 Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317351&type—WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: SI JSND DEEF Formation Name: SUSSEX Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317351&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Cl Insp. Cl MIT • GIS [A Doc if Wellbore 'S Order Surface Location Data for API # 05-123-18460 Status: PR Well Name/No: UPRC#9-12J5 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66942 County: WELD#123 Location: SWSW 9 Field: WATTENBERG -#90750 Footages: 1000 FSL DRLG Contr#: Elevation: 4,847 ft. Lat: 40.235454 Long: -104.676C Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 941008 Expiration Date: 2/1/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 8/30/1994 Measured TD: 7594 Measured PB depth: 7532 True Vertical TD: 7244 True Vertical PB depth: Log Types: Casing: String Type: 1ST , Hole Size: 9.875, Size: 7, Top: 0, Depth: 606, Weight: Cement: Sacks: 295, Top: 0, Bottom: , Method Grade: Casing: String Type: 2ND , Hole Size: 6.25, Size: 3.5, Top: 0, Depth: 7583, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom PARKMAN 4032 SUSSEX 4649 NIOBRARA 7131 FORT HAYS 7345 CODELL 7438 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWINC Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: ACIDIZE W/ 1000 GAL 7-1/2% HCI 106,260 GAL YF500 FLUID &416,720#20/40 SAP Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/19/1994 Test Method: FLOWINC Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318460&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 1 BBLS_OIL 12 CALC_BBLS_H2O 1 CALC_BBLS_OIL 12 CALC_GOR 19 CALC_MCF_GAS 219 CASING_PRESS 800 MCF_GAS 219 TUBING_PRESS 12 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 9/2/1994 Choke Size: 0.000 Status Date: 1/26/1995 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: RC Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 7/27/2001 Hole Compl: N Commingled: N Prod Metod: FLOWINC Formation Name: SUSSEX Status: SI Formation Treatment: 94,332 GAL YF135 FLUID &265,000#20/40 SAND, 12/27/1994 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 1/26/1995 Test Method: FLOWINC Gas Dispo: SOLD Test Type Measure BBLS_OIL 11 CALC_BBLS_OIL 11 CALC_GOR 17 CALC_MCF_GAS 183 CASING_PRESS 600 MCF_GAS 183 TUBING_PRESS 580 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318460&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tl Related Insp_ Q MIT • GIS a. Doc if Wellbore ' Order Surface Location Data for API # 05-123-15641 Status: PR Well Name/No: UPRC#9-13J (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: 5/9/2002 Federal or State Lease#: 66942 County: WELD#123 Location: SWSW 9 3N 65V Field: WATTENBERG -#90750 Footages: 475 FSL 660 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,842 ft. Lat: 40.23401 Long: -104.675019 Wellbore Data for Sidetrack #00 Status: PR 5/9/2002 Wellbore Permit Permit#: 920253 Expiration Date: 1/27/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 2 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 5/1/1992 Measured TD: 7313 Measured PB depth: 7266 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 556,Weight: Cement: Sacks: 360, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7311,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3814 SUSSEX 4242 NIOBRARA 6884 FORT HAYS 7166 CODELL 7187 Completed information for formation NB-CD 1st Prod Date: 6/3/1992 Choke Size: 0.313 Status Date: 5/9/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: 131,838 GAL VISTAR 28/26#GEL&244,360#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7170 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/9/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315641&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 3 BBLS_OIL 15 CALC_BBLS_H2O 3 CALC_BBLS_OIL 15 CALC_GOR 22 CALC_MCF_GAS 331 MCF_GAS 331 TUBING_PRESS 200 No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 4/12/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA Formation Treatment: CEMENT SQUEEZE ON 4/12/02. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315641&type=WELL 8/5/2003 COGIS - Query Process e JO Page 1 of 1 pied.. as COGIS - Facility Query Results )9 RD 1 ()r'sPm a 2 You requested facilities by: 'WELL' Maximum records are limited to: Unlimited - Expect Delays! 4 d I aao0% For detail information: Click on facility type. Search Results -22 record(s) returned. Facility Type Facility ID/ Facility Name/ Operator Name/ API Number Number WELL 05-123-09516 ARISTOCRAT ANGUS RANCH MACHII-ROSS PETROLEUM CO 41-10 52250 WELL 05-123-12806 ARISTOCRAT ENCANA ENERGY RESOURCES INC. 41-10C 100160 WELL 05-123-18775 ARISTOCRAT ENCANA ENERGY RESOURCES INC. 21-10C 100160 WELL 05-123-09497 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. 21-10 100160 WELL 05-123-18944 HSR-DANE HS RESOURCES INC 9-10 41385 WELL 05-123-18945 HSR-FRICO KERR-MCGEE ROCKY MOUNTAIN CORP 10-10 47120 WELL 05-123-18946 HSR-FRICO KERR-MCGEE ROCKY MOUNTAIN CORP 15-10 47120 WELL 05-123-18947 HSR-FRICO KERR-MCGEE ROCKY MOUNTAIN CORP 16-10 47120 WELL 05-123-19195 S/2 KERR-MCGEE ROCKY MOUNTAIN CORP 47120 WELL 05-123-19195 HSR-DANE KERR-MCGEE ROCKY MOUNTAIN CORP 9-10 47120 WELL 05-123-12805 ARISTOCRAT 2-10A BATTERY ENCANA ENERGY RESOURCES INC. 31-10S 100160 WELL 05-123-16913 FEDERAL ENCANA ENERGY RESOURCES INC. 11-10 100160 WELL 05-123-16581 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. 13-10 100160 WELL 05-123-16673 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. 42-10 100160 WELL 05-123-17096 FEDERAL ENCANA ENERGY RESOURCES INC. 22-10 100160 WELL 05-123-17136 FEDERAL ENCANA ENERGY RESOURCES INC. 12-10 100160 WELL 05-123-17137 FEDERAL ENCANA ENERGY RESOURCES INC. 32-10 100160 WELL 05-123-17295 HSR-OVIATT KERR-MCGEE ROCKY MOUNTAIN CORP 11-10 47120 WELL 05-123-17296 HSR-BEEBE DRAW KERR-MCGEE ROCKY MOUNTAIN CORP 14-10 47120 WELL 05-123-17297 HSR-BEEBE DRAW KERR-MCGEE ROCKY MOUNTAIN CORP 3-15 47120 WELL 05-123-17298 HSR-BEEBE DRAW KERR-MCGEE ROCKY MOUNTAIN CORP 4-15 47120 WELL 05-123-17032 ARISTOCRAT ANGUS ENCANA ENERGY RESOURCES INC. 14-10 100160 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. (4_MIT •GIS [fit Doc if Wellbore )I} Order Surface Location Data for API # 05-123-09497 Status: PR Well Name/No: ARISTOCRAT ANGUS#21-10(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 12/20/1995 Federal or State Lease#: 55934 County: WELD#123 Location: NENW 10 3N 6E Field: ARISTOCRAT -#2925 Footages: 660 FNL 1980 F\ DRLG Contr#: Elevation: 4,801 ft. Lat: 40.245299 Long: -104.651144 Wellbore Data for Sidetrack #00 Status: PR 12/20/1995 Wellbore Permit Permit#: 780477 Expiration Date: 10/30/1978 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2NW Wellbore Completed Compltn Date: 12/5/1980 Measured TD: 4575 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 350, Weight: Cement: Sacks: 300, Top: 1, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 4606, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4422 Completed information for formation SUSX 1st Prod Date: 12/28/1980 Choke Size: 1,664.000 Status Date: 3/7/2002 Hole Comp!: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309497&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. Q MIT • GIS 13. Doc if Wellbore .2 Order Surface Location Data for API # 05-123-09516 Status: AL Well Name/No: ARISTOCRAT ANGUS RANCH#41-10 (click well name for production) Operator: MACHII-ROSS PETROLEUM CO- 52250 Status Date: Federal or State Lease#: County: WELD#123 Location: NENE 1 Field: ARISTOCRAT -#2925 Footages: 660 FNL DRLG Contr#: Elevation: 4,779 ft. Lat: 40.24529 Long: -104.641 Wellbore Data for Sidetrack #00 Status: AL N/A Wellbore Permit Permit#: 780549 Expiration Date: 10/12/19 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: UNK , Formation: UNKNOWN , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: N/A Measured TD: 0 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Formation Log Top Log Bottom Completed information for formation UNK 1st Prod Date: N/A Choke Size: 0.000 Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: UNKNOWN Status: AL Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation UNK . No Perforation Data was found for formation UNK . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12309516&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. Q MIT •GIS at Doc if Wellbore . Order Surface Location Data for API # 05-123-12806 Status: PR Well Name/No: ARISTOCRAT#41-10C (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55376 County: WELD#123 Location: NENE 10 Field: ARISTOCRAT -#2925 Footages: 615 FNL • DRLG Contr#: Elevation: 4,772 ft. Lat: 40.245413 Long: -104.6406 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 851603 Expiration Date: 3/12/1986 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 7/28/1986 Measured TD: 7242 Measured PB depth: 7210 True Vertical TD: 7242 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth:422, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7240, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4412 NIOBRARA 6776 CODELL 7082 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 12/27/1985 Choke Size: 0.000 Status Date: 7/28/1986 Hole Compl: Commingled: Prod Metod: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312806&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312806&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card E Related Q. Insp. Q MIT •GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-18775 Status: PR Well Name/No: ARISTOCRAT#21-10C (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: Federal or State Lease#: 55904 County: WELD#123 Location: NENW 10 3N 65Vt Field: WATTENBERG -#90750 Footages: 584 FNL 1991 FWI DRLG Contr#: Elevation: 4,808 ft. Lat: 40.245508 Long: -104.651095 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 941868 Expiration Date: 6/4/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 160, Drill Ur Wellbore Completed Compltn Date: 2/25/1995 Measured TD: 7283 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 585, Weight: Cement: Sacks: 310, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7268, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4420 NIOBRARA 6815 FORT HAYS 7095 CODELL 7116 Completed information for formation NB-CD 1st Prod Date: 2/25/1995 Choke Size: 1,064.000 Status Date: 12/5/2001 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318775&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related 4 Insp. Q MIT •GIS a Doc if Wellbore ' Order Surface Location Data for API # 05-123-18944 Status: AL Well Name/No: HSR-DANE#9-10 (click well name for production) Operator: HS RESOURCES INC -41385 Status Date: 4/2/1996 Federal or State Lease#: County: WELD#123 Location: NESW 10 Field: WATTENBERG -#90750 Footages: 2862 FNL 2 DRLG Contr#: EXETER DRILLING CO Elevation: Unknown ft. Lat: 40.239255 Long: -104.64996f Wellbore Data for Sidetrack #00 Status: AL 4/2/1996 Wellbore Permit Permit#: 950345 Expiration Date: 3/29/1996 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom No additional interval records were found for sidetrack 00. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318944&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card ij Related Q Insp. Q MIT •GIS a Doc 1F Wellbore ,,S Order Surface Location Data for API # 05-123-18945 Status: PR Well Name/No: HSR-FRICO#10-10 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 8/24/2002 Federal or State Lease#: 64170 County: WELD#123 Location: NESW 1 Field: WATTENBERG -#90750 Footages: 2887 FNI DRLG Contr#: EXETER DRILLING CO Elevation: 4,813 ft. Lat: 40.239186 Long: -104.650 Wellbore Data for Sidetrack #00 Status: PR 8/24/2002 Wellbore Permit Permit#: 960457 Expiration Date: 6/7/1997 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 66 , Unit Acreage: Wellbore Completed Compltn Date: 10/8/1996 Measured TD: 7660 Measured PB depth: 7615 True Vertical TD: 7281 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 803,Weight: Cement: Sacks: 560, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7659, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4714 NIOBRARA 7220 FORT HAYS 7470 CODELL 7492 GREENHORN 7552 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.310 Status Date: 8/24/2002 Hole Compl: N Commingled: N Prod Metod: PLUNGE Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: FRACD W/64000 GALLONS GELLED FLUID.,124940 LBS 20/40 LUCERN-UNIMIN-O' PRODUCTION REFLECTS NIOBRARA-CODELL-SUSSEX FORMATIONS Tubing Size: 2.375 Tubing Setting Depth: 7476 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/24/2002 Test Method: PLUNGE Gas Dispo: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318945&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_OIL 0 CALC_BBLS_OIL 0 CALC_MCF_GAS 288 CASING_PRESS 201 MCF_GAS 48 TUBING_PRESS 177 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 10/8/1996 Choke Size: 1,664.00 Status Date: 10/18/1996 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318945&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card ij Related 4Insp, Q MIT •GIS a Doc Y Wellbore 'It Order Surface Location Data for API # 05-123-18946 Status: PR Well Name/No: HSR-FRICO#15-10 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: 8/11/2001 Federal or State Lease#: 64172 County: WELD#123 Location: NESW 1( Field: WATTENBERG -#90750 Footages: 2911 FNL DRLG Contr#: EXETER DRILLING CO Elevation: 4,814 ft. Lat: 40.239052 Long: -104.6501 Wellbore Data for Sidetrack #00 Status: PR 8/11/2001 Wellbore Permit Permit#: 960349 Expiration Date: 10/27/199 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 0 , Unit Acreage: 8 Wellbore Completed Compltn Date: 10/8/1996 Measured TD: 7940 Measured PB depth: 7902 True Vertical TD: 7297 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 802, Weight: Cement: Sacks: 630, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7935, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4986 NIOBRARA 7552 FORT HAYS 7744 CODELL 7769 GREENHORN 7831 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 31.000 Status Date: 8/11/2001 Hole Compl: N Commingled: N Prod Metod: PLUNGEI Formation Name: NIOBRARA-CODELL Status: PR FRACED W/124,202 GALLONS GELLED FLUID, 6420100 MESH SAND, 260640 LBS Formation Treatment: WALKER,0 LBS, 0 LBS PERF CODELL FROM 7769-7779, PRODUCTION REFLECT: FORMATIONS Tubing Size: 2.375 Tubing Setting Depth: 7732 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/11/2001 Test Method: PLUNGE! http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318946&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Gas Dispo: Test Type Measure BBLS_OIL 8 CALC_BBLS_OIL 8 CALC_GOR 17250 CALC_MCF_GAS 138 CASING_PRESS 369 MCF_GAS 138 TUBING_PRESS 157 No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 10/8/1996 Choke Size: 1,664.000 Status Date: 10/17/1996 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX. No Perforation Data was found for formation NBCSX . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318946&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card h Related Q Insp. Q MIT • GIS lit Doc if Wellbore -t Order Surface Location Data for API # 05-123-18947 Status: PR Well Name/No: HSR-FRI_co#16-10 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 64173 County: WELD#123 Location: NESW 10 Field: WATTENBERG -#90750 Footages: 2936 FNL DRLG Contr#: EXETER DRILLING CO Elevation: 4,815 ft. Lat: 40.239125 Long: -104.6554 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 960350 Expiration Date: 10/27/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NBCSX , Formation: NIOBRARA-CODELL-SUSSEX , Order: 2 , Unit Acreage: 8 Wellbore Completed Compltn Date: 10/8/1996 Measured TD: 8235 Measured PB depth: 8168 True Vertical TD: 7294 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 817,Weight: Cement: Sacks: 620, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 8210, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 5256 NIOBRARA 7762 FORT HAYS 8022 CODELL 8046 GREENHORN 8110 Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation NBCSX 1st Prod Date: 10/8/1996 Choke Size: 1,664.000 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318947&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Status Date: 10/19/1996 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL-SUSSEX Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBCSX . No Perforation Data was found for formation NBCSX. Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318947&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related CI Insp. C MIT •GIS [A Doc if Wellbore -Order Surface Location Data for API # 05-123-19195 Status: PR Well Name/No: S/2 # (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/1/2002 Federal or State Lease#: 60217 County: WELD#123 Location: NESW 1 Field: WATTENBERG -#90750 Footages: 2862 FNI DRLG Contr#: EXETER DRILLING CO Elevation: 4,812 ft. Lat: 40.239255 Long: -104.649 Wellbore Data for Sidetrack #00 Status: PR 7/1/2002 Wellbore Permit Permit#: 960456 Expiration Date: 6/7/1997 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JNCSX , Formation: J-CODELL-NIOBRARA-SUSSEX , Order: 66 , Unit Acreage Wellbore Completed Compltn Date: 10/8/1996 Measured TD: 8406 Measured PB depth: 8350 True Vertical TD: 7695 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 814, Weight: Cement: Sacks: 570, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 8383, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 5051 NIOBRARA 7522 FORT HAYS 7782 CODELL 7805 GREENHORN 7868 BENTONITE 8089 J SAND 8256 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.469 Status Date: 7/1/2002 Hole Compl: N Commingled: Y Prod Metod: PLUNGE Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: PR Formation Treatment: REPERFORATED CODELL FROM 7805-7812 05/13/2002 REFRAC NB-CD 0# 100 N GELLED FLUID TEST PRODUCTION REPRESENTS JNCSX FORMATIONS Tubing Size: 2.375 Tubing Setting Depth: 821 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319195&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 7/1/2002 Test Method: PLUNGE Gas Dispo: SOLD Test Type Measure BBLS_OIL 6 CALC_BBLS_OIL 6 CALC_GOR 20833 CALC_MCF_GAS 125 CASING_PRESS 275 GRAVITY_OIL 60 MCF_GAS 125 TUBING_PRESS 255 No Perforation Data was found for formation JNCSX . Completed information for formation JSND 1st Prod Date: 10/8/1996 Choke Size: 2,064.00 Status Date: 10/17/1996 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319195&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related QInsp. Q MIT • GIS a Doc if Wellbore ,e Order Surface Location Data for API # 05-123-19195 Status: PR Well Name/No: S/2# (click well name for production) Operator KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/1/2002 Federal or State Lease#: 60217 County: WELD#123 Location: NESW 1 Field: WATTENBERG -#90750 Footages: 2862 FNI DRLG Contr#: EXETER DRILLING CO Elevation: 4,812 ft. Lat: 40.239255 Long: -104.649 Wellbore Data for Sidetrack #00 Status: PR 7/1/2002 Wellbore Permit Permit#: 960456 Expiration Date: 6/7/1997 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: JNCSX , Formation: J-CODELL-NIOBRARA-SUSSEX , Order: 66 , Unit Acreage Wellbore Completed Compltn Date: 10/8/1996 Measured TD: 8406 Measured PB depth: 8350 True Vertical TD: 7695 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 814,Weight: Cement: Sacks: 570, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 8383, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 5051 NIOBRARA 7522 FORT HAYS 7782 CODELL 7805 GREENHORN 7868 BENTONITE 8089 J SAND 8256 Completed information for formation JNCSX 1st Prod Date: N/A Choke Size: 0.469 Status Date: 7/1/2002 Hole Compl: N Commingled: Y Prod Metod: PLUNGE Formation Name: J-CODELL-NIOBRARA-SUSSEX Status: PR Formation Treatment: REPERFORATED CODELL FROM 7805-7812 05/13/2002 REFRAC NB-CD 0# 100 N GELLED FLUID TEST PRODUCTION REPRESENTS JNCSX FORMATIONS Tubing Size: 2.375 Tubing Setting Depth: 821 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319195&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 7/1/2002 Test Method: PLUNGE Gas Dispo: SOLD Test Type Measure BBLS_OIL 6 CALC_BBLS_OIL 6 CALC_GOR 20833 CALC_MCF_GAS 125 CASING_PRESS 275 GRAVITY_OIL 60 MCF_GAS 125 TUBING_PRESS 255 No Perforation Data was found for formation JNCSX. Completed information for formation JSND 1st Prod Date: 10/8/1996 Choke Size: 2,064.00' Status Date: 10/17/1996 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12319195&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card ti Related S Insp. el MIT •GIS a. Doc If Wellbore ,S Order Surface Location Data for API # 05-123-12805 Status: PR Well Name/No: ARISTOCRAT 2-10A BATTERY#31-10S(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 12/21/1995 Federal or State Lease#: 55378 County: WELD #123 Location: NWNE Field: ARISTOCRAT -#2925 Footages: 725 FI\ DRLG Contr#: Elevation: 4,789 f Lat: 40.245115 Long: -104.6' Wellbore Data for Sidetrack #00 Status: PR 12/21/1995 Wellbore Permit Permit#: 851602 Expiration Date: 3/12/15. Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 12/18/1986 Measured TD: 7248 Measured PB depth: 7225 True Vertical TD: 7248 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 432,Weight: Cement: Sacks: 280, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7248,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom SUSSEX 4307 NIOBRARA 6795 CODELL 7092 Completed information for formation NB-CD 1st Prod Date: 12/14/1985 Choke Size: 0.000 Status Date: 12/18/1986 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312805&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12312805&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tI Related Q Insp. Q MIT • GIS 11 Doc 11 Wellbore .2 Order Surface Location Data for API # 05-123-16913 Status: PR Well Name/No: FEDERAL#11-1Q (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 4/2/1993 Federal or State Lease#: 55904 County: WELD#123 Location: NWNW 10 3N 65W Field: ARISTOCRAT -#2925 Footages: 371 FNL 1077 FWL DRLG Contr#: Elevation: 4,796 ft. Lat: 40.246095 Long: -104.654344 Wellbore Data for Sidetrack #00 Status: PR 4/2/1993 Wellbore Permit Permit#: 930313 Expiration Date: 7/17/1993 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEDERAL Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 160, Drill Ur Wellbore Completed Compltn Date: N/A Measured TD: 7257 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 535,Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7252,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 385 SUSSEX 4387 NIOBRARA 6851 CODELL 7131 Completed information for formation NB-CD 1st Prod Date: 4/2/1993 Choke Size: 864.000 Status Date: 4/2/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316913&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card -- Related 4 Insp. 4 MIT •GIS a Doc it Wellbore ' Order Surface Location Data for API # 05-123-16581 Status: PR Well Name/No: ARISTOCRAT ANGUS#13-10(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 3/15/2002 Federal or State Lease#: 55905 County: WELD#123 Location: NWSW 10 3N 6! Field: ARISTOCRAT -#2925 Footages: 3440 FNL 520 F\ DRLG Contr#: Elevation: 4,815 ft. Lat: 40.237674 Long: -104.656723 Wellbore Data for Sidetrack #00 Status: PR 3/15/2002 Wellbore Permit Permit#: 921835 Expiration Date: 4/3/1993 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/13/1993 Measured TD: 7280 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 530, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7261, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4381 NIOBRARA 6840 FORT HAYS 7111 CODELL 7134 Completed information for formation NB-CD 1st Prod Date: 6/13/1993 Choke Size: Status Date: 3/15/2002 Hole Compl: N Commingled: N Prod Metod: PUMPING Formation Name: NIOBRARA-CODELL Status: PR REPERF CODELL FROM 7135-7149'W/2 SPF. SET PKR @ 6782'. TBG BOTTOM @ Formation Treatment: 250,000#20/40 SAND IN 131,153 GAL DYNAFLOW-20 FLOW BACK. POOH W/TBG PROD TBG. SWAB BACK Tubing Size: 2.375 Tubing Setting Depth: 7129 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/20/2002 Test Method: PUMPING Gas Dispo: SOLD http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316581&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Type Measure BBLS_H2O 8 BBLS_OIL 9 CALC_BBLS_H2O 8 CALC_BBLS_OIL 9 CALC_GOR 14391 CALC_MCF_GAS 125 CASING_PRESS 410 MCF_GAS 125 TUBING_PRESS 290 No Perforation Data was found for formation NB-CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: 2/21/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: SUSSEX Status: TA Formation Treatment: SET RBP @ 4590 PRESSURE TEST. SET PKR @ 4352. PULL PKR. SQUEEZE W/5( OUT CMT. REMOVE RBP. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX. No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12316581&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS at Doc it Wellbore ® Order Surface Location Data for API # 05-123-16673 Status: PR Well Name/No: ARISTOCRAT ANGUS#42-10(click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 3/24/1993 Federal or State Lease#: 55376 County: WELD#123 Location: SENE 10 3N 65, Field: WATTENBERG -#90750 Footages: 1891 FNL 5066 F DRLG Contr#: Elevation: 4,777 ft. Lat: 40.241911 Long: -104.64024 Wellbore Data for Sidetrack #00 Status: PR 3/24/1993 Wellbore Permit Permit#: 930002 Expiration Date: 4/7/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 3/24/1993 Measured TD: 7276 Measured PB depth: 7205 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 505,Weight: Cement: Sacks: 250, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size:4.5, Top: 0, Depth: 7255, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4342 NIOBRARA 6795 FORT HAYS 7059 CODELL 7078 Completed information for formation NB-CD 1st Prod Date: 3/24/1993 Choke Size: 864.000 Status Date: 3/24/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.uskogis/FacilityDetail.asp?facid=123166738flype—WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Ei Related 4 Insp. Q MIT •GIS a Doc If Wellbore 't Order Surface Location Data for API # 05-123-17096 Status: PR Well Name/No: FEDERAL#22-10 (click well name for production) Operator ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 8/28/1993 Federal or State Lease#: 55904 County: WELD#123 Location: SENW 10 3N 65W Field: ARISTOCRAT -#2925 Footages: 1708 FNL 1589 FW DRLG Contr#: Elevation: 4,805 ft. Lat: 40.242424 Long: -104.652676 Wellbore Data for Sidetrack #00 Status: PR 8/28/1993 Wellbore Permit Permit#: 930708 Expiration Date: 10/8/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEDERAL Surface Owner: Unit: Unit Number: C-10009 Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 160, Drill Ur Wellbore Completed Compltn Date: 8/25/1993 Measured TD: 7255 Measured PB depth: 7214 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 575, Weight: Cement: Sacks: 430, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7255,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 425 SUSSEX 4377 BENTONITE 4527 NIOBRARA 6878 FORT HAYS 7100 CODELL 7123 GREENHORN 7183 Completed information for formation NB-CD 1st Prod Date: 8/28/1993 Choke Size: 964.000 Status Date: 8/29/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317096&type-WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317096&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related A Insp. A MIT • GIS a Doc 11 Wellbore .2 Order Surface Location Data for API # 05-123-17136 Status: PR Well Name/No: FEDERAL#12-10 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 12/23/2003 Federal or State Lease#: 60077 County: WELD #123 Location: SENW 10 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1708 FNL 1569 FWL DRLG Contr#: Elevation: 4,806 ft. Lat: 40.242424 Long: -104.652748 Wellbore Data for Sidetrack #00 Status: PR 12/23/2003 Wellbore Permit Permit#: 930830 Expiration Date: 12/29/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 160, Drill Unit: NW4 Wellbore Completed Compltn Date: 10/26/1993 Measured TD: 7913 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 583, Weight: Cement: Sacks: 350, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7903, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 350 SUSSEX 4384 BENTONITE 4537 NIOBRARA 6965 FORT HAYS 7243 CODELL 7268 GREENHORN 7331 J SAND 7736 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.344 Status Date: 12/23/2003 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: CODELL Status: PR SET RBP @ 7430'. RIH W/ PKER &TBG. SET PKR @ 7385'. PERF'D THE CODELL F Formation Treatment: 7268'-7284'W/4 SPF. FRAC'D THE CODELUNIOBRARA W/245,720#20/40 FRAC 133,000 GALS SILVERSTIM FLUID. FLOW BACK WELL. Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317136&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 12/23/2003 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 6 BBLS_OIL 6 CALC_BBLS_H2O 6 CALC_BBLS_OIL 6 CALC_GOR 18000 CALC_MCF_GAS 108 CASING_PRESS 130 MCF_GAS 108 TUBING_PRESS 180 No Perforation Data was found for formation CODL . Completed information for formation JSND 1st Prod Date: 11/2/1993 Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317136&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card Related Q Insp. Q MIT •GIS a Doc irr Wellbore 4, Order Surface Location Data for API # 05-123-17137 Status: PR Well Name/No: FEDERAL#32-10 (click well name for production) Operator: ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 6/14/2002 Federal or State Lease#: 55378 County: WELD#123 Location: SWNE 10 3N 65W 6 Field: WATTENBERG -#90750 Footages: 1839 FNL 3548 FWL DRLG Contr#: Elevation: 4,787 ft. Lat: 40.242059 Long: -104.645673 Wellbore Data for Sidetrack #00 Status: PR 6/14/2002 Wellbore Permit Permit#: 930831 Expiration Date: 10/12/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: N2 Wellbore Completed Compltn Date: 11/1/1993 Measured TD: 7695 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 584,Weight: Cement: Sacks: 400, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7690, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 450 SUSSEX 4338 BENTONITE 4488 NIOBRARA 6819 FORT HAYS 7082 CODELL 7105 GREENHORN 7165 J SAND 7558 Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.250 Status Date: 6/14/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: PR Formation Treatment: REMOVE RBP. RESET PROD TBG. SWAB Tubing Size: 2.375 Tubing Setting Depth: 7590 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317137&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Test Date: 6/14/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 8 BBLS_OIL 5 CALC_BBLS_H2O 8 CALC_BBLS_OIL 5 CALC_GOR 60000 CALC_MCF_GAS 300 CASING_PRESS 620 MCF_GAS 300 TUBING_PRESS 250 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: 11/9/1993 Choke Size: Status Date: 3/7/2002 Hole Compl: N Commingled: N Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.750 Status Date: 2/13/2002 Hole Compl: N Commingled: N Prod Metod: PUMPING Formation Name: NIOBRARA-CODELL Status: PR SET RBP. REPERF CODELL FROM 7106'-7120'W/2 SPF. SET PKR@6783'. FRAC Formation Treatment: CODL/NBRR W/252,160#20/40 SAND IN 129,087 GALS VISTAR 22#. FLOW BACK& PKR. RIH W/PROD TBG & LAND @ 7089'. SWAB WELL BACK Tubing Size: 2.375 Tubing Setting Depth: 7089 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 2/13/2002 Test Method: PUMPING Gas Dispo: SOLD Test Type Measure BBLS_H2O 3 BBLS_OIL 7 CALC_BBLS_H2O 3 CALC_BBLS_OIL 7 CALC_GOR 26057 CALC_MCF_GAS 173 CASING_PRESS 420 MCF_GAS 173 TUBING_PRESS 180 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317137&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317137&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card t _ Related q Insp. Ck MIT I GIS a Doc if Welibore ' Order Surface Location Data for API # 05-123-17295 Status: PR Well Name/No: HSR-OVIATT#11-10 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 12/22/1994 Federal or State Lease#: 60076 County: WELD#123 Location: SWSW 10 3N 65W E Field: WATTENBERG -#90750 Footages: 389 FSL 574 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,809 ft. Lat: 40.233738 Long: -104.656708 Wellbore Data for Sidetrack #00 Status: PR 12/22/1994 Welibore Permit Permit#: 931155 Expiration Date: 4/21/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: S2 Welibore Completed Compltn Date: 10/21/1993 Measured TD: 8221 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 780, Weight: Cement: Sacks: 550, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 8202,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4815 NIOBRARA 7300 FORT HAYS 7563 CODELL 7585 CARLILE 7595 GREENHORN 7651 J SAND 8030 Completed information for formation JSND 1st Prod Date: 10/21/1993 Choke Size: 1,664.000 Status Date: 10/30/1993 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317295&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317295&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card E _ Related QInsp. Q MIT • GIS lit Doc 11 Wellbore .1,® Order Surface Location Data for API # 05-123-17296 Status: PR Well Name/No: HSR-BEEBE DRAW#14-_10 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 9/6/1994 Federal or State Lease#: 61122 County: WELD#123 Location: SWSW 10 3N 65‘d Field: WATTENBERG -#90750 Footages: 386 FSL 544 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,810 ft. Lat: 40.23373 Long: -104.656816 Wellbore Data for Sidetrack #00 Status: PR 9/6/1994 Wellbore Permit Permit#: 931156 Expiration Date: 2/5/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 10/21/1993 Measured TD: 7724 Measured PB depth: 7668 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 769, Weight: Cement: Sacks: 540,Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7705, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 100 SUSSEX 4815 NIOBRARA 7280 FORT HAYS 7549 CODELL 7572 Completed information for formation NB-CD 1st Prod Date: 10/21/1993 Choke Size: 1,264.000 Status Date: 10/29/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317296&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317296&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related 4 Insp. Ck MIT •GIS I Doc 11 Wellbore .® Order Surface Location Data for API # 05-123-17297 Status: PR Well Name/No: HSR-BEEBE DRAW#3-15(click well name for production) Operator KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 3/7/1997 Federal or State Lease#: 62080 County: WELD#123 Location: SWSW 10 3N 65W Field: WATTENBERG -#90750 Footages: 383 FSL 514 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,809 ft. Lat: 40.233721 Long: -104.656924 Wellbore Data for Sidetrack #00 Status: PR 3/7/1997 Wellbore Permit Permit#: 931157 Expiration Date: 12/23/1993 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 80, Drill Unit: N2SW Wellbore Completed Compltn Date: 10/19/1993 Measured TD: 7906 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 774, Weight: Cement: Sacks: 540, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7896, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4924 NIOBRARA 7473 Completed information for formation NBRR 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NBRR . No Perforation Data was found for formation NBRR . Completed information for formation SUSX 1st Prod Date: 10/19/1993 Choke Size: 1,264.000 Status Date: 10/28/1993 Hole Compl: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317297&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317297&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS a Doc if Wellbore - Order Surface Location Data for API # 05-123-17298 Status: PR Well Name/No: HSR-BEEBE DRAW#4-15 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 7/22/1997 Federal or State Lease#: 61235 County: WELD#123 Location: SWSW 10 3N 65V Field: WATTENBERG -#90750 Footages: 380 FSL 484 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,809 ft. Lat: 40.233713 Long: -104.657032 Wellbore Data for Sidetrack #00 Status: PR 7/22/1997 Wellbore Permit Permit#: 931158 Expiration Date: 1/8/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 10/19/1993 Measured TD: 7578 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 728, Weight: Cement: Sacks: 560, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7549, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored FOX HILLS 100 SUSSEX 4666 NIOBRARA 7133 FORT HAYS 7404 CODELL 7426 GREENHORN 7490 Completed information for formation NB-CD 1st Prod Date: 10/19/1993 Choke Size: 1,264.000 Status Date: 10/29/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317298&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: SUSSEX Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation SUSX . No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317298&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. 4 MIT •GIS at Doc if Wellbore ' Order Surface Location Data for API # 05-123-17032 Status: PR Well Name/No: ARISTOCRAT ANGUS#14-10(click well name for production) Operator ENCANA ENERGY RESOURCES INC. - 100160 Status Date: 6/13/1993 Federal or State Lease#: 55905 County: WELD #123 Location: SWSW 10 3N 6: Field: ARISTOCRAT -#2925 Footages: 293 FSL 580 Rh DRLG Contr#: Elevation: 4,818 ft. Lat: 40.233475 Long: -104.656699 Wellbore Data for Sidetrack #00 Status: PR 6/13/1993 Wellbore Permit Permit#: 930596 Expiration Date: 9/15/1993 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/13/1993 Measured TD: 7270 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 530, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7257, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4393 NIOBRARA 6868 FORT HAYS 7129 CODELL 7152 Completed information for formation NB-CD 1st Prod Date: 6/13/1993 Choke Size: 864.000 Status Date: 6/13/1993 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=123170328rtype-WELL 8/5/2003 COGIS - Query Process Page 1 of 1 SIC- • 17 -Qtd,, -to COGIS - Facility Query Results /' g , 0 fresco I- aD You requested facilities by: 'WELL' Maximum records are limited to: Unlimited - Expect Delays) a dd' I 8000/ For detail information: Click on facility type. Search Results -20 record(s) returned. Facility ID/ Facility Name/ Operator Name/ Facility Type API Number Number Status WELL 05-123-14204 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR 41-17 47120 WELL 05-123-15061 UPRC PATINA OIL& GAS CORPORATION PR 17-3J 67305 WELL 05-123-20502 IiSR-REI KERR-MCGEE ROCKY MOUNTAIN CORP PR 3-17A 47120 WELL 05-123-15033 UPRC PATINA OIL&GAS CORPORATION PR 17-9J 67305 WELL 05-123-15035 UPRC PATINA OIL& GAS CORPORATION PR 17-11J 67305 WELL 05-123-18462 UPRC PATINA OIL& GAS CORPORATION PR 17-13J5 67305 WELL 05-123-18463 UPRC PATINA OIL& GAS CORPORATION PR 17-12J5 67305 WELL 05-123-14403 UPRR 22 PAN AM UT/S/ KERR-MCGEE ROCKY MOUNTAIN CORP PR 1 47120 WELL 05-123-13008 BEEBE DRAW-UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR 31-17 47120 WELL 05-123-15046 UPRC PATINA OIL& GAS CORPORATION PR 17-4J 67305 WELL 05-123-15034 UPRC PATINA OIL&GAS CORPORATION PR 17-10J 67305 WELL 05-123-14205 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR 42-17 47120 WELL 05-123-18004 UPRC PATINA OIL&GAS CORPORATION PR 17-6J5 67305 WELL 05-123-15038 UPRC PATINA OIL&GAS CORPORATION PR 17-16J 67305 WELL 05-123-15036 UPRC PATINA OIL& GAS CORPORATION PR 17-14J 67305 WELL 05-123-14203 BEEBE DRAW UPRR KERR-MCGEE ROCKY MOUNTAIN CORP PR 32-17 47120 WELL 05-123-14560 UPRR 22 PAN AM UT/S KERR-MCGEE ROCKY MOUNTAIN CORP PR 2 47120 WELL 05-123-17856 UPRC PATINA OIL&GAS CORPORATION PR 17-5J5 67305 WELL 05-123-15037 UPRC PATINA OIL & GAS CORPORATION PR 17-15J 67305 WELL 05-123-18391 UPRC SNYDER OIL CORP AL 17-13J5 80530 http://oil-gas.state.co.us/cogis/facilitysearch2.asp 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card Related c Insp. Q MIT •GIS a Doc if Wellbore Order Surface Location Data for API # 05-123-14204 Status: PR Well Name/No: BEEBE DRAW UPRR#41-17(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: County: WELD#123 Location: NENE 17 3N 65V Field: WATTENBERG -#90750 Footages: 620 FNL 500 FEL DRLG Contr#: Elevation: 4,903 ft. Lat: 40.230996 Long: -104.679192 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 3/3/1989 Spud Date is: ACTUAL Wellbore Permit Permit#: 010654 Expiration Date: 4/9/2001 Prop Depth/Form: 7860 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number Formation and Spacing: Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: N2NE Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 529, Weight: 24 Cement: Sacks: 450, Top: 0, Bottom: 529, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5,Top: , Depth: 7326, Weight: 11.6 Cement: Sacks: 250, Top: 6400, Bottom: 7326, Method Grade: Wellbore Completed Compltn Date: 5/15/2001 Measured TD: 7863 Measured PB depth: 7829 True Vertical TD: True Vertical PB depth: Log Types: CDCNGR, IGRS, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 529, Weight: 24 Cement: Sacks: 450, Top: 0, Bottom: 529, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7326,Weight: 11.6 Cement: Sacks: 250, Top: 6400, Bottom: 7326, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 250, Top:4200, Bottom: 4714, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7314, Depth: 7862, Weig Cement: Sacks: 35, Top: 7314, Bottom: 7862, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4482 N SHANNON SANDSTONE 5464 N NIOBRARA 6966 N FORT HAYS 7228 N CODELL 7250 N J SAND 7710 N Completed information for formation CODL 1st Prod Date: 5/23/1989 Choke Size: 1,064.000 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314204&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Status Date: 5/30/1989 Hole Compl: Commingled: Y Prod Metod: Formation Name: CODELL Status: Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation CODL . No Perforation Data was found for formation CODL . Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.281 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-NIOBRARA-CODELL Status: FRAC'D J SAND WITH 386380#20/40 MESH; 164366 GAL. GELLED FLUID J SAND Formation Treatment: 7717-7758 COMMINGLED WITH NB-CD Tubing Size: 2.375 Tubing Setting Depth: 7698 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 7/11/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_OIL 3 CALC_BBLS_OIL 3 CALC_GOR 176000 CALC_MCF_GAS 528 CASING_PRESS 575 GRAVITY-OIL 60 MCF_GAS 528 TUBING_PRESS 375 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314204&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314204&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card E4 Related Q Insp. 4 MIT • GIS ®t Doc iF Wellbore a Order Surface Location Data for API # 05-123-15061 Status: PR Well Name/No: UPRC#17-3J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66902 County: WELD#123 Location: NENW 17 3N 65VI Field: WATTENBERG -#90750 Footages: 660 FNL 1675 FW DRLG Contr#: CAZA DRILLING Elevation: 4,908 ft. Lat: 40.230805 Long: -104.690272 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 910488 Expiration Date: 10/17/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 7/24/1991 Measured TD: 7386 Measured PB depth: 7330 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 616, Weight: Cement: Sacks: 220, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7375, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3899 SUSSEX 4457 NIOBRARA 6995 FORT HAYS 7246 CODELL 7268 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 132,888 GAL VISTAR 24/22 FLUID &247,240#20/40 SAND, 8/27/01 Tubing Size: 2.375 Tubing Setting Depth: 7240 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/7/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315061&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 8 CALC_BBLS_H2O 2 CALC_BBLS_OIL 8 CALC_MCF_GAS 262 CASING_PRESS 400 MCF_GAS 262 TUBING_PRESS 250 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 7/26/1991 Choke Size: 3,864.000 Status Date: 7/27/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315061&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tI Related Q InsQr Q MIT •GIS a Doc if Wellbore .1,®Order Surface Location Data for API # 05-123-20502 Status: PR Well Name/No: HSR-REI #3-17A (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 6/4/2002 Federal or State Lease#: County: WELD#123 Location: NENW 17 3N 65W 6 Field: WATTENBERG -#90750 Footages: 548 FNL 1764 FWL DRLG Contr#: Elevation: 4,902 ft. Lat: 40.231115 Long: -104.689953 Wellbore Data for Sidetrack #00 Status: PR 6/4/2002 Spud Date: 9/27/2001 Spud Date is: ACTUAL Wellbore Permit Permit#: 011264 Expiration Date: 6/28/2002 Prop Depth/Form: 7900 Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N2 Wellbore Completed Compltn Date: 10/19/2001 Measured TD: 7894 Measured PB depth: 7863 True Vertical TD: True Vertical PB depth: Log Types: DIGLGR, CDCNGR, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 644, Weight: 24 Cement: Sacks: 465, Top: 0, Bottom: 644, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7894, Weight: 11.6 Cement: Sacks: 185, Top: 6550, Bottom: 7894, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: 4942,Weight: Cement: Sacks: 105, Top: 3980, Bottom: 4946, Method Grade: CBL Formation Log Top Log Bottom Cored SUSSEX 4320 N NIOBRARA 7006 N FORT HAYS 7232 N CODELL 7255 N J SAND 7708 N Completed information for formation JSND 1st Prod Date: 10/25/2001 Choke Size: 0.219 Status Date: 6/4/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J SAND Status: PR Formation Treatment: FRAC'D J SAND W/500860#20/40 MESH; 207690 GAL GELLED FLUID Tubing Size: 2.375 Tubing Setting Depth: 7678 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320502&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 Test Date: 12/14/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_OIL 2 CALC_BBLS_OIL 2 CALC_GOR 197500 CALC_MCF_GAS 395 CASING_PRESS 700 GRAVITY_OIL 60 MCF_GAS 395 TUBING_PRESS 600 Perferation Data: Interval Bot: 7767 Interval Top: 7723 #of Holes: 72 Hole Size: 0.38 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12320502&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card V ,. Related QInsp. Q MIT 0 GIS a Doc if Wellbore -t Order Surface Location Data for API # 05-123-15033 Status: PR Well Name/No: UPRC#17-9J (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66908 County: WELD#123 Location: NESE 17 3N 65W Field: WATTENBERG -#90750 Footages: 1850 FSL 585 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,864 ft. Lat: 40.223262 Long: -104.67944 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 910429 Expiration Date: 3/23/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/24/1991 Measured TD: 7321 Measured PB depth: 7290 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 634, Weight: Cement: Sacks:445, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7358, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3838 SUSSEX 4443 NIOBRARA 4443 FORT HAYS 6919 CODELL 7204 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.313 Status Date: 9/20/2002 Hole Compl: N Commingled: Y Prod Metod: Formation Name: CODELL Status: PR Formation Treatment: 131,040 GAL VISTAR 28/26#GEL & 245,780#20/40 OTTAWA SAND Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/20/2002 Test Method: FLOWING Gas Dispo: Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315033&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 4 BBLS_OIL 5 CASING_PRESS 380 MCF_GAS 128 TUBING_PRESS 280 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 7/5/1991 Choke Size: 2,064.000 Status Date: 7/5/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . Completed information for formation SUSX 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: SUSSEX Status: PR Formation Treatment: SQZ W/56 SX MAGMA FIBER ON 8/23/02 Tubing Size: 2.375 Tubing Setting Depth: 7205 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: N/A Test Method: Gas Dispo: SOLD Test Type Measure CALC_BBLS_H2O 11 CALC_BBLS_OIL 13 CALC_GOR 26 CALC_MCF_GAS 341 No Perforation Data was found for formation SUSX . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315033&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card tl Related Q Insp. Q MIT •GIS CI Doc if Wellbore ,S Order Surface Location Data for API # 05-123-15035 Status: PR Well Name/No: UPRC#17-11J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66906 County: WELD #123 Location: NESW 17 3N 65V1 Field: WATTENBERG -#90750 Footages: 1847 FSL 2128 FV DRLG Contr#: GAZA DRILLING Elevation: 4,901 ft. Lat: 40.223239 Long: -104.68865 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 910431 Expiration Date: 9/27/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 7/11/1991 Measured TD: 7384 Measured PB depth: 7338 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 620,Weight: Cement: Sacks: 240, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5,Top: 0, Depth: 7381,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3957 SUSSEX 4562 NIOBRARA 6962 FORT HAYS 7244 CODELL 7266 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.313 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 132,888 GAL VISTAR 24/22 FLUID &247,240#20/40 SAND, 8/27/2001 Tubing Size: 2.375 Tubing Setting Depth: 7247 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/14/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315035&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 8 CALC_BBLS_H2O 4 CALC_BBLS_OIL 16 CALC_GOR 19 CALC_MCF_GAS 310 CASING_PRESS 410 MCF_GAS 155 TUBING_PRESS 300 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 7/15/1991 Choke Size: 3,564.000 Status Date: 7/16/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315035&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related QInsp. Q MIT A GIS a. Doc if Wellbore ,S Order Surface Location Data for API # 05-123-18462 Status: PR Well Name/No: UPRC#17-13.15 (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 60675 County: WELD#123 Location: NESW 17 3N 65V Field: WATTENBERG -#90750 Footages: 1913 FSL 1774 FV DRLG Contr#: GAZA DRILLING Elevation: 4,917 ft. Lat: 40.223418 Long: -104.689918 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 941010 Expiration Date: 2/1/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 10/10/1994 Measured TD: 7906 Measured PB depth: 7857 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 11, Size: 8.625, Top: 0, Depth: 713, Weight: Cement: Sacks: 160, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 6.25, Size: 3.5, Top: 0, Depth: 7877, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3934 SUSSEX 4623 NIOBRARA 7411 FORT HAYS 7686 CODELL 7708 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.219 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 133,014 GAL VISTAR 22/20 FLUID &247,380#20/40 SAND 07/09/2001 Tubing Size: 2.0625 Tubing Setting Depth: 7689 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/3/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318462&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 5 BBLS_OIL 34 CALC_BBLS_H2O 5 CALC_BBLS_OIL 34 CALC_GOR 19 CALC_MCF_GAS 654 CASING_PRESS 800 MCF_GAS 654 TUBING_PRESS 700 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 10/10/1994 Choke Size: Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR ACIDIZE W/ 1000 GAL 7-1/2% HCI 106,167 GAL MY-T-GEL FLUID&435,000#20/40 Formation Treatment: 10/6/1994 Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 10/31/1994 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 2 BBLS_OIL 28 CALC_BBLS_H2O 2 CALC_BBLS_OIL 29 CALC_GOR 10 CALC_MCF_GAS 295 CASING_PRESS 1470 MCF_GAS 294 No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318462&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of I COGIS - WELL Information Scout Card El Related Q Insp. Ck MIT •GIS a Doc itr Wellbore 1t' Order Surface Location Data for API # 05-123-18463 Status: PR Well Name/No: UPRC#17-12J_5 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 60675 County: WELD#123 Location: NESW 17 3N 65V Field: WATTENBERG -#90750 Footages: 1930 FSL 1750 Ri DRLG Contr#: CAZA DRILLING Elevation: 4,916 ft. Lat: 40.223465 Long: -104.690004 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 5/1/2000 Spud Date is: NOTICE Wellbore Permit Permit#: 941011 Expiration Date: 2/1/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 10/9/1994 Measured TD: 7910 Measured PB depth: 7804 True Vertical TD: 7509 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 11, Size: 8.625, Top: 0, Depth: 702, Weight: Cement: Sacks: 200, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 6.25, Size: 3.5, Top: 0, Depth: 7924, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3640 SUSSEX 4770 NIOBRARA 7290 FORT HAYS 7627 CODELL 7652 Completed information for formation NB-CD 1st Prod Date: 10/10/1994 Choke Size: 0.000 Status Date: 10/31/1994 Hole Compi: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318463&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card EJ Related 4 Insp. Q MIT •GIS a Doc If Wellbore -S Order Surface Location Data for API # 05-123-14403 Status: PR Well Name/No: UPRR 22 PAN AM UT/S/#1 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP -47120 Status Date: Federal or State Lease#: 65899 County: WELD#123 Location: NWNE 17 3N 65W Field: WATTENBERG -#90750 Footages: 1080 FNL 1602 FEI DRLG Contr#: EXETER DRILLING CO Elevation: 4,892 ft. Lat: 40.229704 Long: -104.683131 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 890740 Expiration Date: 1/4/1990 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: N2 Wellbore Completed Compltn Date: 5/18/1990 Measured TD: 7935 Measured PB depth: 7824 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 640, Weight: Cement: Sacks: 215, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 7935, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored J SAND 7700 Completed information for formation JSND 1st Prod Date: 4/23/1990 Choke Size: 0.000 Status Date: 5/18/1990 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314403&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card El Related Q Insp. E MIT • GIS a Doc IF Wellbore * Order Surface Location Data for API # 05-123-13008 Status: PR Well Name/No: BEEBE DRAW-UPRR#31-17(Click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 68132 County: WELD#123 Location: NWNE 17 3N 65\ Field: WATTENBERG -#90750 Footages: 560 FNL 2183 FE DRLG Contr#: Elevation: 4,894 ft. Lat: 40.231117 Long: -104.685223 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 860162 Expiration Date: 6/20/1986 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 2/24/1986 Measured TD: 7363 Measured PB depth: 7338 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 510, Weight: Cement: Sacks: 300, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7365,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored SUSSEX 4452 NIOBRARA 6966 FORT HAYS 7229 CODELL 7252 CARLILE 7270 GREENHORN 7313 Completed information for formation NB-CD 1st Prod Date: 3/5/1986 Choke Size: 964.000 Status Date: 3/11/1986 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12313008&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card it Related Q Insp. Ck MIT •GIS a Doc if Wellbore .1t Order Surface Location Data for API # 05-123-15046 Status: PR Well Name/No: UPRC#17-4J (click well name for production) Operator: PATINA OIL&GAS CORPORATION -67305 Status Date: 5/17/2002 Federal or State Lease#: 66902 County: WELD #123 Location: NWNW 17 3N 65V Field: WATTENBERG -#90750 Footages: 660 FNL 475 FWL DRLG Contr#: GAZA DRILLING Elevation: 4,919 ft. Lat: 40.230774 Long: -104.694571 Wellbore Data for Sidetrack #00 Status: PR 5/17/2002 Wellbore Permit Permit#: 910456 Expiration Date: 10/4/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 7/18/1991 Measured TD: 7422 Measured PB depth: 7356 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 582, Weight: Cement: Sacks: 400, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7405, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3875 SUSSEX 4499 NIOBRARA 6990 FORT HAYS 7274 CODELL 7295 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.281 Status Date: 5/17/2002 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 132,300 GAL VISTAR 28/26#GEL &245,000#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7225 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/17/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315046&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 6 CALC_BBLS_H2O 2 CALC_BBLS_OIL 6 CALC_GOR 32 CALC_MCF_GAS 194 CASING_PRESS 600 MCF_GAS 194 TUBING_PRESS 240 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 7/20/1991 Choke Size: 3,564.000 Status Date: 7/20/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315046&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card Related Q Insp. Q. MIT • GIS a Doc If Wellbore 11 Order Surface Location Data for API # 05-123-15034 Status: PR Well Name/No: UPRC#17-10J (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 66886 County: WELD#123 Location: NWSE 17 3N 651A Field: WATTENBERG -#90750 Footages: 1879 FSL 1998 FE DRLG Contr#: GAZA DRILLING Elevation: 4,880 ft. Lat: 40.223334 Long: -104.684502 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 910430 Expiration Date: 1/24/1992 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/11/1991 Measured TD: 7365 Measured PB depth: 7304 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 575,Weight: Cement: Sacks: 400, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7353, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3929 SUSSEX 4280 NIOBRARA 6939 FORT HAYS 7216 CODELL 7239 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.344 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 131,040 GAL VISTAR 26/24 FLUID &245,520#20/40 SAND, 8/15/01 Tubing Size: 2.375 Tubing Setting Depth: 7214 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 9/7/2001 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315034&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 10 CALC_BBLS_H2O 2 CALC_BBLS_OIL 12 CALC_GOR 23 CALC_MCF_GAS 280 CASING_PRESS 450 MCF_GAS 233 TUBING_PRESS 400 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 11/13/1991 Choke Size: 4,064.000 Status Date: 11/13/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315034&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card EI Related 4 Insp. Q MIT GIS [1 Doc if Wellbore )4' Order Surface Location Data for API # 05-123-14205 Status: PR Well Name/No: BEEBE DRAW UPRR#42-17(click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: 8/5/2001 Federal or State Lease#: 67364 County: WELD#123 Location: SENE 17 3N 65V Field: WATTENBERG -#90750 Footages: 1760 FNL 420 FE DRLG Contr#: EXETER DRILLING CO Elevation: 4,896 ft. Lat: 40.227867 Long: -104.678882 Wellbore Data for Sidetrack #00 Status: PR 8/5/2001 Wellbore Permit Permit#: 980367 Expiration Date: 4/13/1999 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 0, Drill Unit: Wellbore Completed Compltn Date: 4/7/1989 Measured TD: 7403 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 547, Weight: Cement: Sacks: 450, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7403, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3740 SUSSEX 4494 SHANNON SANDSTONE 5464 NIOBRARA 6964 FORT HAYS 7226 CODELL 7250 J SAND 7704 Completed information for formation CODL 1st Prod Date: 5/23/1989 Choke Size: 1,064.000 Status Date: 5/30/1989 Hole Compl: Commingled: Prod Metod: Formation Name: CODELL Status: CM Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation CODL . No Perforation Data was found for formation CODL . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314205&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 18.000 Status Date: N/A Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: J-NIOBRARA-CODELL Status: PR Formation Treatment: FRAC/D JSAND W/385,000#20/40 MESH; 159,558 GAL GELLED FLD. JSAND PERF Tubing Size: 2.375 Tubing Setting Depth: 7286 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 1/21/1999 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_OIL 3 CALC_BBLS_OIL 3 CALC_GOR 156000 CALC_MCF_GAS 488 CASING PRESS 610 GRAVITY_OIL 60 MCF_GAS 468 TUBING_PRESS 420 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: 0.220 Status Date: 8/5/2001 Hole Compl: N Commingled: N Prod Metod: PLUNGER Formation Name: NIOBRARA-CODELL Status: PR FRACED W/118,776 GALLONS GELLED FLUID, 5300100 MESH SAND,261620 LBS: Formation Treatment: WEDRON -WALKER,0 LBS REPERFORATE THE CODELL FROM 7252'-7262' PRO[ REFLECTS J - NIOBRARA-CODELL FORMATIONA Tubing Size: 2.375 Tubing Setting Depth: 7224 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/5/2001 Test Method: PLUNGER Gas Dispo: Test Type Measure BBLS_OIL 8 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314205&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 CALC_BBLS_OIL 24 CALC_GOR 16000 CALC_MCF_GAS 390 CASING_PRESS 586 MCF_GAS 128 TUBING_PRESS 389 No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314205&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card Related Q Insp. Q MIT • GIS a Doc If Wellbore ' Order Surface Location Data for API # 05-123-18004 Status: PR Well Name/No: UPRc#17-6J5 (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: Federal or State Lease#: 61565 County: WELD#123 Location: SENW 17 3N 65VI Field: WATTENBERG -#90750 Footages: 1660 FNL 2400 FV DRLG Contr#: EXETER DRILLING CO Elevation: 4,891 ft. Lat: 40.228078 Long: -104.687675 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 940147 Expiration Date: 8/7/1994 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 7/18/1994 Measured TD: 7390 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: 1ST, Hole Size: 12.25, Size: 7,Top: 0, Depth: 677, Weight: Cement: Sacks: 307, Top: 0, Bottom: , Method Grade: Casing: String Type: 2ND , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7390, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3938 SUSSEX 4561 NIOBRARA 6956 FORT HAYS 7240 CODELL 7262 Completed information for formation NB-CD 1st Prod Date: 7/26/1994 Choke Size: 0.000 Status Date: 7/29/1994 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318004&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT • GIS a Doc ilfWellbore e Order Surface Location Data for API # 05-123-15038 Status: PR Well Name/No: UPRC#17-16J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 8/23/2002 Federal or State Lease#: 66908 County: WELD#123 Location: SESE 17 3N 65W Field: WATTENBERG -#90750 Footages: 554 FSL 554 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,860 ft. Lat: 40.219703 Long: -104.679303 Wellbore Data for Sidetrack #00 Status: PR 8/23/2002 Wellbore Permit Permit#: 910434 Expiration Date: 9/27/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 6/27/1991 Measured TD: 7352 Measured PB depth: 7306 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 637, Weight: Cement: Sacks: 450, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7350,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3846 SUSSEX 4448 NIOBRARA 6953 FORT HAYS 7204 CODELL 7226 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.250 Status Date: 8/23/2002 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 132,678 GAL VISTAR 28/26#GEL &244,920#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7176 Tubing Packer Depth: 7176 Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/23/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315038&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 15 CALC_BBLS_H2O 2 CALC_BBLS_OIL 15 CALC_GOR 22 CALC_MCF_GAS 325 MCF_GAS 325 TUBING_PRESS 300 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 7/7/1991 Choke Size: 3,664.000 Status Date: 7/8/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315038&type-WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related Q Insp. Q MIT •GIS a Doc if Wellbore .S Order Surface Location Data for API # 05-123-15036 Status: PR Well Name/No: UPRC#17-14J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 5/24/2002 Federal or State Lease#: 66906 County: WELD #123 Location: SESW 17 3N 6511 Field: WATTENBERG -#90750 Footages: 500 FSL 2090 FWI DRLG Contr#: CAZA DRILLING Elevation: 4,892 ft. Lat: 40.21954 Long: -104.688786 Wellbore Data for Sidetrack #00 Status: PR 5/24/2002 Wellbore Permit Permit#: 910432 Expiration Date: 9/27/1991 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 7/8/1991 Measured TD: 7380 Measured PB depth: 7330 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 637,Weight: Cement: Sacks: 450, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7374, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3906 SUSSEX 4489 FORT HAYS 6954 CODELL 7234 Completed information for formation NB-CD 1st Prod Date: 7/13/1991 Choke Size: 0.625 Status Date: 5/24/2002 Hole Compl: N Commingled: N Prod Metod: FLOWING Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: 131,880 GAL VISTAR 28/26#GEL &246,980#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7234 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/24/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure BBLS_H2O 2 http://oil-gas.state.co.us/cogis/FacilityDetail.asp?£acid=12315036&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_OIL 8 CALC_BBLS_H2O 6 CALC_BBLS_OIL 24 CALC_GOR 27 CALC_MCF_GAS 657 CASING_PRESS 240 MCF_GAS 219 TUBING_PRESS 190 No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315036&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 3 COGIS - WELL Information Scout Card El Related Cl Insp. Q MIT • GIS a Doc if Wellbore .1„f' Order Surface Location Data for API # 05-123-14203 Status: PR Well Name/No: BEEBE DRAW UPRR#32-17 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: County: WELD#123 Location: SWNE 17 3N 65' Field: WATTENBERG -#90750 Footages: 2240 FNL 2320 F DRLG Contr#: KEY ROCKY MOUNTAIN INC Elevation: 4,899 ft. Lat: 40.2265 Long: -104.685679 Wellbore Data for Sidetrack #00 Status: PR N/A Spud Date: 2/8/1986 Spud Date is: ACTUAL Wellbore Permit Permit#: 001160 Expiration Date: 10/23/2001 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: FEE Unit: Unit Number: Formation and Spacing: Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: N2NE Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N2 Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 563, Weight: 24 Cement: Sacks: 400, Top: 0, Bottom: 563, Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: , Depth: 7412, Weight: 11.6 Cement: Sacks: 200, Top: 6420, Bottom: 7412, Method Grade: Wellbore Completed Compltn Date: 6/28/2001 Measured TD: 7875 Measured PB depth: 7841 True Vertical TD: True Vertical PB depth: Log Types: SACNTLD, SAAILC, CBL Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 563,Weight: 24 Cement: Sacks: 400, Top: 0, Bottom: 563, Method Grade: CALC Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7412,Weight: 11.6 Cement: Sacks: 200, Top: 6420, Bottom: 7412, Method Grade: CBL Casing: String Type: S.C. 1.1 , Hole Size: , Size: , Top: , Depth: , Weight: Cement: Sacks: 300, Top: 3418, Bottom: 4750, Method Grade: CBL Casing: String Type: 1ST LINER , Hole Size: 3.875, Size: 2.875, Top: 7348, Depth: 7874, Weig Cement: Sacks: 35, Top: 7348, Bottom: 7874, Method Grade: CBL Formation Log Top Log Bottom Cored PARKMAN 3950 SUSSEX 4508 SHANNON SANDSTONE 5452 NIOBRARA 6980 N FORT HAYS 7238 N CODELL 7262 N J SAND 7728 N Completed information for formation CODL http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314203&type-WELL 8/5/2003 COGIS - WELL Information Page 2 of 3 1st Prod Date: 5/23/1989 Choke Size: 1,064.000 Status Date: 5/30/1989 Hole Compl: Commingled: Y Prod Metod: Formation Name: CODELL Status: Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation CODL. No Perforation Data was found for formation CODL . Completed information for formation JNBCD 1st Prod Date: N/A Choke Size: 0.250 Status Date: N/A Hole Compl: N Commingled: Y Prod Metod: PLUNGER Formation Name: J-NIOBRARA-CODELL Status: Formation Treatment: FRAC'D J SAND W/500120#20/40 MESH; 209322 GA. GELLED FLUID J SAND PER COMMINGLED WITH NB-CD. Tubing Size: 2.375 Tubing Setting Depth: 7703 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 8/18/2001 Test Method: PLUNGER Gas Dispo: SOLD Test Type Measure BBLS_H2O 0 BBLS_OIL 2 CALC_BBLS_H2O 0 CALC_BBLS_OIL 2 CALC_GOR 253000 CALC_MCF_GAS 506 CASING_PRESS 600 GRAVITY_OIL 60 MCF_GAS 506 TUBING_PRESS 450 No Perforation Data was found for formation JNBCD . Completed information for formation JSND 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . Completed information for formation NB-CD 1st Prod Date: N/A Choke Size: Status Date: N/A Hole Compl: http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314203&type=WELL 8/5/2003 COGIS - WELL Information Page 3 of 3 Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB-CD . No Perforation Data was found for formation NB-CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314203&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card tl Related % Insp. el MIT • GIS Ca Doc if Wellbore -t Order Surface Location Data for API # 05-123-14560 Status: PR Well Name/No: UPRR 22 PAN AM UT/S#2 (click well name for production) Operator: KERR-MCGEE ROCKY MOUNTAIN CORP-47120 Status Date: Federal or State Lease#: 65899 County: WELD#123 Location: SWNW 17 3N 65W Field: WATTENBERG -#90750 Footages: 1520 FNL 990 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,924 ft. Lat: 40.228426 Long: -104.692726 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 900191 Expiration Date: 6/27/1990 Prop Depth/Form: Surface Mineral Owner Same: N Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: JSND , Formation: J SAND , Order: 0 , Unit Acreage: 320, Drill Unit: N2 Wellbore Completed Compltn Date: 10/11/1990 Measured TD: 7982 Measured PB depth: 7873 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: 1ST , Hole Size: 12.25, Size: 8, Top: 0, Depth: 685, Weight: Cement: Sacks: 480, Top: 0, Bottom: , Method Grade: Casing: String Type: 2ND , Hole Size: 7, Size: 5.5, Top: 0, Depth: 7978, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored NIOBRARA 6990 CODELL 7300 J SAND 7742 Completed information for formation JSND 1st Prod Date: 9/13/1990 Choke Size: 964.000 Status Date: 1/15/2002 Hole Compl: Commingled: Prod Metod: Formation Name: J SAND Status: SI Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation JSND . No Perforation Data was found for formation JSND . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12314560&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card E Related 4 Insp. Q MIT •GIS fit Doc if Wellbore Order Surface Location Data for API # 05-123-17856 Status: PR Well Name/No: UPRC_#17-5J5 (click well name for production) Operator: PATINA OIL & GAS CORPORATION -67305 Status Date: Federal or State Lease#: 61565 County: WELD #123 Location: SWNW 17 3N 65V Field: WATTENBERG -#90750 Footages: 1770 FNL 840 FWL DRLG Contr#: EXETER DRILLING CO Elevation: 4,927 ft. Lat: 40.227735 Long: -104.693264 Wellbore Data for Sidetrack #00 Status: PR N/A Wellbore Permit Permit#: 932007 Expiration Date: 4/22/1994 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 2/14/1994 Measured TD: 7465 Measured PB depth: 0 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 716, Weight: Cement: Sacks: 357, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7456,Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3919 SUSSEX 4336 NIOBRARA 7013 FORT HAYS 7280 CODELL 7303 Completed information for formation NB-CD 1st Prod Date: 2/19/1994 Choke Size: 0.000 Status Date: 2/26/1994 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12317856&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 2 COGIS - WELL Information Scout Card El Related S Insp. el MIT •GIS at Doc if Wellbore -t Order Surface Location Data for API # 05-123-15037 Status: PR Well Name/No: UPRC#17-15J (click well name for production) Operator: PATINA OIL& GAS CORPORATION -67305 Status Date: 5/17/2002 Federal or State Lease#: 66886 County: WELD#123 Location: SWSE 17 3N 65V1 Field: WATTENBERG -#90750 Footages: 475 FSL 1998 FEL DRLG Contr#: CAZA DRILLING Elevation: 4,874 ft. Lat: 40.219478 Long: -104.684474 Wellbore Data for Sidetrack #00 Status: PR 5/17/2002 Wellbore Permit Permit#: 910433 Expiration Date: 1/24/1992 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number: Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Wellbore Completed Compltn Date: 11/1/1991 Measured TD: 7360 Measured PB depth: 7303 True Vertical TD: 0 True Vertical PB depth: Log Types: Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 635,Weight: Cement: Sacks: 210, Top: 0, Bottom: , Method Grade: Casing: String Type: 1ST, Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7350, Weight: Cement: Sacks: 0, Top: 0, Bottom: , Method Grade: Formation Log Top Log Bottom Cored PARKMAN 3846 SUSSEX 4278 NIOBRARA 6947 FORT HAYS 7216 CODELL 7238 Completed information for formation CODL 1st Prod Date: N/A Choke Size: 0.344 Status Date: 5/17/2002 Hole Compl: N Commingled: Y Prod Metod: FLOWING Formation Name: CODELL Status: PR Formation Treatment: 133,350 GAL VISTAR 28/26#GEL &246,480#20/40 OTTAWA SAND Tubing Size: 2.375 Tubing Setting Depth: 7215 Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: Initial Test Data: Test Date: 5/17/2002 Test Method: FLOWING Gas Dispo: SOLD Test Type Measure http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315037&type=WELL 8/5/2003 COGIS - WELL Information Page 2 of 2 BBLS_H2O 2 BBLS_OIL 9 CALC_BBLS_H2O 6 CALC_BBLS_OIL 27 CALC_GOR 24 CALC_MCF_GAS 657 CASING_PRESS 680 MCF_GAS 219 TUBING_PRESS 640 No Perforation Data was found for formation CODL . Completed information for formation NB-CD 1st Prod Date: 11/6/1991 Choke Size: 0.000 Status Date: 10/6/1991 Hole Compl: Commingled: Prod Metod: Formation Name: NIOBRARA-CODELL Status: PR Formation Treatment: Tubing Size: Tubing Setting Depth: Tubing Packer Depth: Tubing Multiple Packer: Open Hole Top: Open Hole Bottom: No Initial Test Data was found for formation NB- CD . No Perforation Data was found for formation NB- CD . http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12315037&type=WELL 8/5/2003 COGIS - WELL Information Page 1 of 1 COGIS - WELL Information Scout Card t4 Related Q Insp. 4 MIT • GIS a Doc If Wellbore Order Surface Location Data for API # 05-123-18391 Status: AL Well Name/No: UPRC#17-13J5 (click well name for production) Operator: SNYDER OIL CORP -80530 Status Date: 7/27/1994 Federal or State Lease#: County: WELD#123 Location: SWSW 17 3N 65V Field: WATTENBERG -#90750 Footages: 657 FSL 666 FWL DRLG Contr#: Elevation: Unknown ft. Lat: 40.219962 Long: -104.693887 Wellbore Data for Sidetrack #00 Status: AL 7/27/1994 Welibore Permit Permit#: 940889 Expiration Date: 1/15/1995 Prop Depth/Form: Surface Mineral Owner Same: Mineral Owner: FEE Surface Owner: Unit: Unit Number Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Uni Welibore Completed Compltn Date: N/A Measured TD: Measured PB depth: True Vertical TD: True Vertical PB depth: Log Types: Formation Log Top Log Bottom Cored No additional interval records were found for sidetrack 00. http://oil-gas.state.co.us/cogis/FacilityDetail.asp?facid=12318391&type=WELL 8/5/2003 Hello