Environmental Sample

COGIS - Environmental Sample Site Information

#450943 Information

Sample Site ID	450943
FacilityType	OG	Proj Number
County	ADAMS - 001	Location	SESW 20 1S66W
Elevation	5046	Lat/Long	39.944911/-104.803917
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-001-10071	Well Name:	Prairie LE 17-013HC
Well Status:	PR	Operator Name:	PDC ENERGY INC
Location:	SESW 20 1S 66W

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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674340

674339

Sample ID: 674340 Sample Date: 12/12/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 674340 Dolan Integration Group ID: DIG-042421
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1257	BTU/cuft
SOP	BUTANE	2.388	MOL %	0.005
SOP	C6+ (hexanes +)	0.056	MOL %	0.005
SOP	CARBON DIOXIDE	1.748	MOL %	0.005
SOP	DELTA 13C C1	-50.9	per mil
SOP	DELTA 13C C2	-36	per mil
SOP	DELTA 13C C3	-31.4	per mil
SOP	DELTA 13C CO2	1.4	per mil
SOP	DELTA 13C iC4	-33	per mil
SOP	Delta 13C iC5	-28.6	per mil
SOP	DELTA 13C nC4	-29.3	per mil
SOP	Delta 13C nC5	-28.8	per mil
SOP	DELTA D C1	-290	per mil
SOP	ETHANE	13.416	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	0.891	MOL %	0.005
SOP	ISOPENTANE	0.381	MOL %	0.005
SOP	METHANE	67.28	MOL %	0.005
SOP	NITROGEN (N2)	4.487	MOL %	0.005
SOP	OXYGEN + ARGON	1.017	MOL %	0.005
SOP	PENTANE	0.378	MOL %	0.005
SOP	PROPANE	7.959	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.801	No Unit

Sample ID: 674339 Sample Date: 12/12/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 674339 Dolan Integration Group ID: DIG-042420
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	652	BTU/cuft
SOP	BUTANE	0.006	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	7.498	MOL %	0.005
SOP	DELTA 13C C1	-57.1	per mil
SOP	DELTA 13C C2	-37.2	per mil
SOP	DELTA 13C C3	-31.7	per mil
SOP	DELTA 13C CO2	-16.1	per mil
SOP	DELTA 13C nC4	-29.7	per mil
SOP	DELTA D C1	-313	per mil
SOP	ETHANE	0.038	MOL %	0.005
SOP	ETHENE	0.016	MOL %	0.005
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.51	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	63.849	MOL %	0.005
SOP	NITROGEN (N2)	22.598	MOL %	0.005
SOP	OXYGEN + ARGON	5.373	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.113	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.752	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 674340 Sample Date: 12/12/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample ID: 674339 Sample Date: 12/12/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group