HomeMy WebLinkAbout20253086Chevron
RECEIVED
NOV 0 3 2025
WELD COUNTY
COMMISSIONERS
Since 2012, Chevron affiliates have reported any chemicals used in our oil and gas wells on
FracFocus.org. As required under Colorado Revised Statues (C.R.S.) 34-60-132, oil and gas
operators must now also disclose these chemicals directly to certain people and entities
near well locations. The attached Chemical Disclosure List provides a summary of the
products used as part of our operations.
Further information about our company and operations can be found at
colorado.chevron.com. For more information about the chemicals listed, we encourage
you to visit FracFocus.org.
For questions, please contact 303-318-6100 or coloradoinfo@chevron.com
Desde 2012, las filiales de Chevron han informado las caracteristicas de cualquier producto
quimico utilizado en nuestros pozos de petroleo y gas en FracFocus.org. Segun to requerido por
los Estatutos Revisados de Colorado (C.R.S.) 34-60-132, los operadores de petroleo y gas ahora
tambien deben divulgar dichas caracteristicas directamente a ciertas personas y entidades
cercanas a las ubicaciones de los pozos. La Lista de Divulgacion de Productos Quimicos adjunta
proporciona un resumen de los productos utilizados como parte de nuestras operaciones.
Se puede encontrar mas informaciOn sobre nuestra empresa y operaciones en
colorado.chevron.com. Para obtener mas informacion sobre los quimicos enumerados, le
recomendamos visitar FracFocus.org.
Para responder a preguntas, por favor flame al 303-318-6100 o envie un e-mail a
coloradoinfo@chevron.com.
CoMWlvn:Cori-;4r1S
ll/17/25
2025-3086
Chemical
Disclosure
Rev
5/24
State of Colorado
Energy & Carbon Management Commission
1120 Lincoln Street, Suite 801, Denver, CO 80203
Phone, Suite 801, Denver, CO 80203
CHEMICAL DISCLOSURE LIST
tee)
Colorado Revised Statutes (C.R.S.) 34-60-132 requires oil and gas operators in Colorado to disclose the chemicals used in
downhole operations to certain persons and entities near their downhole operations. Operators report chemical products
used in downhole operations to the ECMC on a location -by -location basis. Information provided by Chemical
Manufacturers and the oil and gas operator is aggregated by the ECMC into a chemical disclosure list for release to the
public. Chemicals are reported on the list alphabetically and include each chemical's Chemical Abstracts Service Number
(CAS Number) as assigned by the Chemical Abstracts Service. Pursuant to C.R.S. 34-60-132, Operators must provide the
chemical disclosure list to the interested parties defined in the law within 30 days after receipt of the chemical disclosure
list from the ECMC.
Chemical Disclosures
Location: 4710571 Steamboat 4N66W34
Operator: 691751 Pdc Energy Inc
County: Weld
Lat/Long: 40.26575/-104.76256
Chemical Name
CAS Number
1-(1-Naphthylmethyl)Quinolinium Chloride
2-Propanol
2-Propenoic Acid, Ammonium Salt
2-Propenoic Acid, Ammonium Salte (1:1), Polymer With 2-Propenamide
Acetic Acid
Acetophenone
Acrylamide
Alcohol, C11-14, Ethoxylated
Alcohols, (C10-16), Ethoxylated
Alcohols, C12-14, Ethoxylated
Alcohols, C12-16, Ethoxylated
Alkyl Oxirane Polymer
Ammonium Chloride
Chlorine Dioxide
Chlorous Acid, Sodium Salt
Cinnamaldehyde
Citric Acid
Dipropylene Glycol Methyl Ether
65322-65-8
67-63-0
10604-69-0
26100-47-0
64-19-7
98-86-2
79-06-1
78330-21-9
68002-97-1
68439-50-9
68551-12-2
64366-70-7
12125-02-9
10049-04-4
7758-19-2
104-55-2
77-92-9
34590-94-8
10/9/2025 - 2:23 PM Page 1 of 2
Chemical Name CAS Number
Disodium Ethylene Diamine Tetra Acetate (Impurity)
Ethylene Glycol
Formaldehyde
Formic Acid
Hydrochloric Acid
Hydrotreated Light Petroleum Distillate
Methanol
Polyacrylamide
Polyalkylene Glycol
Polyquaternium-33
Reaction Product Of: Acetophenone, Formaldehyde, Cyclohexylamine,
Methanol And Acetic Acid
Sodium Bisulfite
Sodium Chlorate
Sodium Chloride
Sorbitan, Mono-9-Octadecenoate, (Z)
Tall Oil Acid Diethanolamide
Thiourea -Formaldehyde Copolymer
Water
139-33-3
107-21-1
50-00-0
64-18-6
7647-01-0
64742-47-8
67-56-1
9003-05-8
52624-57-4
69418-26-4
224635-63-6
7631-90-5
7775-09-9
7647-14-5
1338-43-8
68155-20-4
68527-49-1
7732-18-5
10/9/2025 - 2:23 PM Page 2 of 2
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