ECMC ENERGY & CARBON MANAGEMENT COMMISION

Location Chemical Disclosures

Colorado Revised Statutes (C.R.S.) 34-60-132 requires oil and gas operators in Colorado to disclose the chemicals used in 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 are 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.
Hen 4N64W8 1-22 Location: 482393 | County: Weld | Lat / Long: 40.328415 / -104.57234 | Status: AC Operator: PDC ENERGY INC | 69175 | Address: 1099 18TH STREET SUITE 1500, DENVER, CO 80202

Disclosed Chemicals

The following chemical constituents were used in downhole operations on the above named location.
Exports
32 disclosed chemicals
Chemical Name CAS Number
2-Propanol 67-63-0
2-Propenoic Acid, Ammonium Salt 10604-69-0
2-Propenoic Acid, Ammonium Salte (1:1), Polymer With 2-Propenamide 26100-47-0
Acrylamide 79-06-1
Alcohols, (C10-16), Ethoxylated 68002-97-1
Alcohols, C12-14, Ethoxylated 68439-50-9
Alcohols, C12-16, Ethoxylated 68551-12-2
Alkyl Oxirane Polymer 64366-70-7
Calcium 7440-70-2
Chlorine Dioxide 10049-04-4
Chlorous Acid, Sodium Salt 7758-19-2
Cinnamaldehyde 104-55-2
Citric Acid 77-92-9
Dipropylene Glycol Methyl Ether 34590-94-8
Disodium Ethylene Diamine Tetra Acetate (Impurity) 139-33-3
Dye Chinoline Ylw Ss Solv 33 Dr400 8003-22-3
Ethylene Glycol 107-21-1
Formic Acid 64-18-6
Hydrochloric Acid 7647-01-0
Hydrotreated Light Petroleum Distillate 64742-47-8
Magnesium Chloride Hexahydrate 7791-18-6
Oxygenate And Paraffinic Stream 876065-86-0
Polyacrylamide 9003-05-8
Polyalkylene Glycol 52624-57-4
Potassium 7440-09-7
Sodium Bisulfite 7631-90-5
Sodium Chlorate 7775-09-9
Sodium Chloride 7647-14-5
Solvent Blue 35 17354-14-2
Sorbitan, Mono-9-Octadecenoate, (Z) 1338-43-8
Thiourea-Formaldehyde Copolymer 68527-49-1
Water 7732-18-5

Related Form 46a(s)

The following disclosure forms have been submitted for this location.
2 related form
Document # Submit Date
404240722 2025-06-13
404221550 2025-05-29
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