Environmental Sample

COGIS - Environmental Sample Site Information

#482794 Information

Sample Site ID	482794
FacilityType	OG	Proj Number
County	WELD - 123	Location	SWNW 17 4N64W
Elevation	4734	Lat/Long	40.31342/-104.58023
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51814	Well Name:	Drake 15N
Well Status:	PR	Operator Name:	PDC ENERGY INC
Location:	SWNW 17 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

670972

670974

660920

Sample ID: 670972 Sample Date: 08/11/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 670972 Dolan Integration Group ID: DIG-040814
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	118	BTU/cuft
SOP	BUTANE	0.012	MOL %	0.005
SOP	C6+ (hexanes +)	0.015	MOL %	0.005
SOP	CARBON DIOXIDE	0.017	MOL %	0.005
SOP	DELTA 13C C1	-48.5	per mil
SOP	DELTA 13C C2	-32.5	per mil
SOP	DELTA 13C C3	-29.7	per mil
SOP	DELTA 13C iC4	-31.4	per mil
SOP	Delta 13C iC5	-28.6	per mil
SOP	DELTA 13C nC4	-28.1	per mil
SOP	Delta 13C nC5	-27.8	per mil
SOP	DELTA D C1	-231	per mil
SOP	ETHANE	0.066	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.06	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	11.242	MOL %	0.005
SOP	NITROGEN (N2)	80.943	MOL %	0.005
SOP	OXYGEN + ARGON	7.608	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.031	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.932	No Unit

Sample ID: 670974 Sample Date: 08/11/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 670974 Dolan Integration Group ID: DIG-040815
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1239	BTU/cuft
SOP	BUTANE	2.099	MOL %	0.005
SOP	C6+ (hexanes +)	0.064	MOL %	0.005
SOP	CARBON DIOXIDE	2.455	MOL %	0.005
SOP	DELTA 13C C1	-45.3	per mil
SOP	DELTA 13C C2	-31.2	per mil
SOP	DELTA 13C C3	-27.8	per mil
SOP	DELTA 13C CO2	1.8	per mil
SOP	DELTA 13C iC4	-30.9	per mil
SOP	Delta 13C iC5	-28.4	per mil
SOP	DELTA 13C nC4	-27.2	per mil
SOP	Delta 13C nC5	-27.1	per mil
SOP	DELTA D C1	-240	per mil
SOP	ETHANE	12.877	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	0.894	MOL %	0.005
SOP	ISOPENTANE	0.557	MOL %	0.005
SOP	METHANE	71.09	MOL %	0.005
SOP	NITROGEN (N2)	2.871	MOL %	0.005
SOP	OXYGEN + ARGON	0.696	MOL %	0.005
SOP	PENTANE	0.624	MOL %	0.005
SOP	PROPANE	5.772	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.779	No Unit

Sample ID: 660920 Sample Date: 07/17/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 660920 Dolan Integration Group ID: DIG-036268
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	851	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	-48.5	per mil
SOP	DELTA 13C C2	-29.1	per mil
SOP	DELTA D C1	-234	per mil
SOP	ETHANE	0.116	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.078	MOL %	0.005
SOP	HYDROGEN	0.035	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	83.939	MOL %	0.005
SOP	NITROGEN (N2)	15.218	MOL %	0.005
SOP	OXYGEN + ARGON	0.6	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.014	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.621	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 670972 Sample Date: 08/11/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 670974 Sample Date: 08/11/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample ID: 660920 Sample Date: 07/17/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group