Environmental Sample

COGIS - Environmental Sample Site Information

#482725 Information

Sample Site ID	482725
FacilityType	OG	Proj Number
County	WELD - 123	Location	SWNE 8 4N64W
Elevation	4779	Lat/Long	40.32813/-104.57234
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51790	Well Name:	Hen 08N
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)

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674087

674088

Sample ID: 674087 Sample Date: 12/01/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 674087 Dolan Integration Group ID: DIG-042326
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	18	BTU/cuft
SOP	BUTANE	0.006	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	0.605	MOL %	0.005
SOP	DELTA 13C C1	-43.2	per mil
SOP	DELTA 13C C2	-29.8	per mil
SOP	DELTA 13C C3	-27.7	per mil
SOP	DELTA 13C CO2	-23.5	per mil
SOP	DELTA 13C nC4	-26.2	per mil
SOP	DELTA D C1	-244	per mil
SOP	ETHANE	0.082	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.248	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	1.445	MOL %	0.005
SOP	NITROGEN (N2)	92.283	MOL %	0.005
SOP	OXYGEN + ARGON	5.306	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.026	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.972	No Unit

Sample ID: 674088 Sample Date: 12/01/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 674088 Dolan Integration Group ID: DIG-042327
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	336	BTU/cuft
SOP	BUTANE	0.047	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	0.05	MOL %	0.005
SOP	DELTA 13C C1	-44	per mil
SOP	DELTA 13C C2	-29.9	per mil
SOP	DELTA 13C C3	-26.6	per mil
SOP	DELTA D C1	-242	per mil
SOP	ETHANE	3.023	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.101	MOL %	0.005
SOP	ISOBUTANE	0.042	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	26.042	MOL %	0.005
SOP	NITROGEN (N2)	54.899	MOL %	0.005
SOP	OXYGEN + ARGON	15.186	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.61	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.887	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 674087 Sample Date: 12/01/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 674088 Sample Date: 12/01/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group