Environmental Sample

COGIS - Environmental Sample Site Information

#289481 Information

Sample Site ID	289481
FacilityType	OG	Proj Number
County	WELD - 123	Location	SENW 20 5N64W
Elevation	4620	Lat/Long	40.38647/-104.57614
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-24854	Well Name:	BRENT 1-6I
Well Status:	PA	Operator Name:	PDC ENERGY INC
Location:	SENW 20 5N 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

673089

637612

637613

666981

Sample ID: 673089 Sample Date: 10/09/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 673089 Dolan Integration Group ID: DIG-041817
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1201	BTU/cuft
SOP	BUTANE	1.674	MOL %	0.005
SOP	C6+ (hexanes +)	0.071	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-50.4	per mil
SOP	DELTA 13C C2	-35.6	per mil
SOP	DELTA 13C C3	-31.5	per mil
SOP	DELTA 13C iC4	-32.7	per mil
SOP	Delta 13C iC5	-28.7	per mil
SOP	DELTA 13C nC4	-30.4	per mil
SOP	Delta 13C nC5	-29	per mil
SOP	DELTA D C1	-252	per mil
SOP	ETHANE	7.626	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	0.953	MOL %	0.005
SOP	ISOPENTANE	0.376	MOL %	0.005
SOP	METHANE	78.982	MOL %	0.005
SOP	NITROGEN (N2)	3.409	MOL %	0.005
SOP	OXYGEN + ARGON	0.567	MOL %	0.005
SOP	PENTANE	0.306	MOL %	0.005
SOP	PROPANE	6.035	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.72	No Unit

Sample ID: 637612 Sample Date: 05/19/2022 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 637612 Dolan Integration Group ID: DIG-027956
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1296	BTU/cuft
SOP	BUTANE	2.717	MOL %	0.005
SOP	C6+ (hexanes +)	0.612	MOL %	0.005
SOP	CARBON DIOXIDE	1.433	MOL %	0.005
SOP	DELTA 13C C1	-46.3	per mil
SOP	DELTA 13C C2	-30.7	per mil
SOP	DELTA 13C C3	-27.1	per mil
SOP	DELTA 13C CO2	3.3	per mil
SOP	DELTA 13C iC4	-30.4	per mil
SOP	Delta 13C iC5	-26.6	per mil
SOP	DELTA 13C nC4	-27.5	per mil
SOP	Delta 13C nC5	-26.7	per mil
SOP	DELTA D C1	-241	per mil
SOP	ETHANE	13.499	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.166	MOL %	0.005
SOP	ISOBUTANE	1.111	MOL %	0.005
SOP	ISOPENTANE	0.866	MOL %	0.005
SOP	METHANE	65.412	MOL %	0.005
SOP	NITROGEN (N2)	5.404	MOL %	0.005
SOP	OXYGEN + ARGON	1.183	MOL %	0.005
SOP	PENTANE	0.963	MOL %	0.005
SOP	PROPANE	6.634	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.832	No Unit

Sample ID: 637613 Sample Date: 05/19/2022 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 637613 Dolan Integration Group ID: DIG-027957
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1134	BTU/cuft
SOP	BUTANE	1.584	MOL %	0.005
SOP	C6+ (hexanes +)	0.057	MOL %	0.005
SOP	CARBON DIOXIDE	1.367	MOL %	0.005
SOP	DELTA 13C C1	-46.6	per mil
SOP	DELTA 13C C2	-32.2	per mil
SOP	DELTA 13C C3	-28.5	per mil
SOP	DELTA 13C CO2	2.2	per mil
SOP	DELTA 13C nC4	-29.2	per mil
SOP	DELTA D C1	-256	per mil
SOP	ETHANE	11.314	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.199	MOL %	0.005
SOP	ISOBUTANE	0.671	MOL %	0.005
SOP	ISOPENTANE	0.345	MOL %	0.005
SOP	METHANE	68.883	MOL %	0.005
SOP	NITROGEN (N2)	8.265	MOL %	0.005
SOP	OXYGEN + ARGON	1.726	MOL %	0.005
SOP	PENTANE	0.335	MOL %	0.005
SOP	PROPANE	5.255	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.764	No Unit

Sample ID: 666981 Sample Date: 02/14/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 666981 Dolan Integration Group ID: DIG-038950
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1050	BTU/cuft
SOP	BUTANE	1.319	MOL %	0.005
SOP	C6+ (hexanes +)	0.084	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-51.2	per mil
SOP	DELTA 13C C2	-32.8	per mil
SOP	DELTA 13C C3	-30	per mil
SOP	DELTA 13C iC4	-31.5	per mil
SOP	DELTA 13C nC4	-28.9	per mil
SOP	DELTA D C1	-254	per mil
SOP	ETHANE	5.489	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.04	MOL %	0.005
SOP	HYDROGEN	ND	MOL %	0.005	ND
SOP	ISOBUTANE	0.739	MOL %	0.005
SOP	ISOPENTANE	0.339	MOL %	0.005
SOP	METHANE	74.019	MOL %	0.005
SOP	NITROGEN (N2)	11.363	MOL %	0.005
SOP	OXYGEN + ARGON	2.019	MOL %	0.005
SOP	PENTANE	0.288	MOL %	0.005
SOP	PROPANE	4.299	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.724	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 673089 Sample Date: 10/09/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 637612 Sample Date: 05/19/2022 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 637613 Sample Date: 05/19/2022 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group

Sample ID: 666981 Sample Date: 02/14/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group