Environmental Sample

COGIS - Environmental Sample Site Information

#482744 Information

Sample Site ID	482744
FacilityType	OG	Proj Number
County	WELD - 123	Location	SWNE 8 4N64W
Elevation	4779	Lat/Long	40.32833/-104.57235
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51809	Well Name:	Hen 03N
Well Status:	PR	Operator Name:	PDC ENERGY INC
Location:	SWNE 8 4N 64W

CECMC Water Quality Database Disclaimer
The analytical data And other information In this database are a compilation Of data collected by CECMC staff, Data submitted To CECMC from a variety Of third parties, And historical data. All analytical data collected by Or submitted To the CECMC Is Public information And CECMC posts the data To this database As a Public service. The data Is provided For informational purposes only. CECMC does Not conduct a detailed review Of quality control/quality assurance protocols, chain Of custody procedures, Or field Or laboratory methodologies On data received from third parties. The level Of review performed On historical data Is unknown. CECMC does Not regularly perform formal data validation For any Of the data posted To this database. The CECMC makes no warranties Or representations Of any kind, express Or implied, regarding the quality, accuracy, reliability, merchantability, Or fitness For a particular purpose Of the data provided herein.

Sample(s)

All

674299

674300

661072

661071

Sample ID: 674299 Sample Date: 12/11/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 674299 Dolan Integration Group ID: DIG-042410
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	30	BTU/cuft
SOP	BUTANE	0.008	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	0.99	MOL %	0.005
SOP	DELTA 13C C1	-42.8	per mil
SOP	DELTA 13C C2	-29.8	per mil
SOP	DELTA 13C C3	-27.6	per mil
SOP	DELTA 13C CO2	-24.6	per mil
SOP	DELTA 13C nC4	-32.3	per mil
SOP	DELTA D C1	-237	per mil
SOP	ETHANE	0.163	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.307	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	2.461	MOL %	0.005
SOP	NITROGEN (N2)	91.353	MOL %	0.005
SOP	OXYGEN + ARGON	4.675	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.043	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.969	No Unit

Sample ID: 674300 Sample Date: 12/11/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 674300 Dolan Integration Group ID: DIG-042411
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1082	BTU/cuft
SOP	BUTANE	0.741	MOL %	0.005
SOP	C6+ (hexanes +)	0.01	MOL %	0.005
SOP	CARBON DIOXIDE	0.209	MOL %	0.005
SOP	DELTA 13C C1	-46.3	per mil
SOP	DELTA 13C C2	-31	per mil
SOP	DELTA 13C C3	-27.4	per mil
SOP	DELTA 13C CO2	-14.8	per mil
SOP	DELTA 13C iC4	-30.2	per mil
SOP	Delta 13C iC5	-27.8	per mil
SOP	DELTA 13C nC4	-26.8	per mil
SOP	Delta 13C nC5	-26.3	per mil
SOP	DELTA D C1	-238	per mil
SOP	ETHANE	10.442	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.288	MOL %	0.005
SOP	ISOBUTANE	0.395	MOL %	0.005
SOP	ISOPENTANE	0.115	MOL %	0.005
SOP	METHANE	75.417	MOL %	0.005
SOP	NITROGEN (N2)	7.043	MOL %	0.005
SOP	OXYGEN + ARGON	1.801	MOL %	0.005
SOP	PENTANE	0.104	MOL %	0.005
SOP	PROPANE	3.436	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.7	No Unit

Sample ID: 661072 Sample Date: 07/24/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 661072 Dolan Integration Group ID: DIG-036375
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1682	BTU/cuft
SOP	BUTANE	6.713	MOL %	0.005
SOP	C6+ (hexanes +)	0.631	MOL %	0.005
SOP	CARBON DIOXIDE	2.278	MOL %	0.005
SOP	DELTA 13C C1	-46.5	per mil
SOP	DELTA 13C C2	-30.8	per mil
SOP	DELTA 13C C3	-27.3	per mil
SOP	DELTA 13C CO2	2.9	per mil
SOP	DELTA 13C iC4	-30.3	per mil
SOP	Delta 13C iC5	-28	per mil
SOP	DELTA 13C nC4	-26.8	per mil
SOP	Delta 13C nC5	-26.8	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	20.232	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	ND	MOL %	0.005	ND
SOP	ISOBUTANE	2.654	MOL %	0.005
SOP	ISOPENTANE	1.801	MOL %	0.005
SOP	METHANE	47.065	MOL %	0.005
SOP	NITROGEN (N2)	1.822	MOL %	0.005
SOP	OXYGEN + ARGON	0.446	MOL %	0.005
SOP	PENTANE	2.016	MOL %	0.005
SOP	PROPANE	14.342	MOL %	0.005
SOP	SPECIFIC GRAVITY	1.048	No Unit

Sample ID: 661071 Sample Date: 07/24/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 661071 Dolan Integration Group ID: DIG-036374
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	47	BTU/cuft
SOP	BUTANE	ND	MOL %	0.005	ND
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-45.7	per mil
SOP	DELTA 13C C2	-30.5	per mil
SOP	DELTA 13C C3	-27.8	per mil
SOP	DELTA D C1	-236	per mil
SOP	ETHANE	0.139	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.308	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	4.234	MOL %	0.005
SOP	NITROGEN (N2)	92.228	MOL %	0.005
SOP	OXYGEN + ARGON	3.063	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.028	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.954	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 674299 Sample Date: 12/11/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 674300 Sample Date: 12/11/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample ID: 661072 Sample Date: 07/24/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample ID: 661071 Sample Date: 07/24/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group