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.
Bross 5N65W33 1-20 Location: 476667 | County: Weld | Lat / Long: 40.356544 / -104.67325 | 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
45 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
Acrylamide, Sodium Acrylate Polymer 25987-30-8
Alcohols, (C10-16), Ethoxylated 68002-97-1
Alcohols, C12-14, Ethoxylated 68439-50-9
Alcohols, C12-15 Linear, Ethoxylated 68131-39-5
Alcohols, C12-16, Ethoxylated 68551-12-2
Boron Sodium Oxide Tetrahydrate 12280-03-4
Calcium 7440-70-2
Chlorine Dioxide 10049-04-4
Chlorous Acid, Sodium Salt 7758-19-2
Choline Chloride 67-48-1
Cinnamaldehyde 104-55-2
Diatomaceous Silica 7631-86-9
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
Guar Gum 9000-30-0
Hydrochloric Acid 7647-01-0
Hydrotreated Light Petroleum Distillate 64742-47-8
Magnesium Chloride Hexahydrate 7791-18-6
Methanol 67-56-1
Oxygenate And Paraffinic Stream 876065-86-0
Polyacrylamide 9003-05-8
Polyalkylene Glycol 52624-57-4
Potassium 7440-09-7
Propylene Carbonate 108-32-7
Quaternium 18-Bentonite 1340-69-8
Silicon Dioxide 14808-60-7
Sodium Bisulfite 7631-90-5
Sodium Chlorate 7775-09-9
Sodium Chloride 7647-14-5
Sodium Hydroxide 1310-73-2
Solvent Blue 35 17354-14-2
Sorbitan Monolaurate 1338-39-2
Sorbitan, Mono-9-Octadecenoate, (Z) 1338-43-8
Tar Bases, Quinoline Derivs, Benzyl Chloride-Quaternized 72480-70-7
Tar Bases, Quinoline Derivs. 68513-87-1
Tert-Butyl Hydroperoxide 75-91-2
Urea 57-13-6
Water 7732-18-5

Related Form 46a(s)

The following disclosure forms have been submitted for this location.
1 related form
Document # Submit Date
404223371 2025-05-30
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