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.
Dehaan South WELL PAD Location: 460600 | County: Weld | Lat / Long: 40.570843 / -104.69454 | Status: AC Operator: BAYSWATER EXPLORATION & PRODUCTION LLC | 10261 | Address: 730 17TH ST STE 500, DENVER, CO 80202

Disclosed Chemicals

The following chemical constituents were used in downhole operations on the above named location.
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35 disclosed chemicals
Chemical Name CAS Number
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, C12-14-Secondary, Ethoxylated 84133-50-6
Alcohols, C12-16, Ethoxylated 68551-12-2
Alcohols, C14-15, Ethoxylated 68951-67-7
Chlorous Acid, Sodium Salt 7758-19-2
Diolamine 111-42-2
Ethoxylated NonyLPhenol 9016-45-9
Ethylene Glycol 107-21-1
Ethylene Oxide 75-21-8
Fatty Acid, Tall-Oil 61790-12-3
Guar Gum 9000-30-0
Hydrochloric Acid 7647-01-0
Hydrogenated Tallow Amine 61791-26-2
Hydrotreated Light Petroleum Distillate 64742-47-8
Methanol 67-56-1
Organophylic Clay 68953-58-2
Polyacrylamide 9003-05-8
Polylactide Resin 9051-89-2
Polyoxyethylene Monoleate 9004-96-0
Propargyl Alcohol 107-19-7
Silica Gel 112926-00-8
Silicon Dioxide 14808-60-7
Sodium Bisulfite 7631-90-5
Sodium Chloride 7647-14-5
Sodium Hydroxide 1310-73-2
Sodium Perborate Tetrahydrate 10486-00-7
Sodium Tetraborate Decahydrate 1303-96-4
Sorbitan, Mono-9-Octadecenoate, (Z) 1338-43-8
Sorbitol Diethoxylated Tetraoleate 61723-83-9
Tall Oil Acid Diethanolamide 68155-20-4
Thiourea-Formaldehyde Copolymer 68527-49-1
Ulexite 1319-33-1
Water 7732-18-5

Related Form 46a(s)

The following disclosure forms have been submitted for this location.
1 related form
Document # Submit Date
404252984 2025-06-24
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