Environmental Sample

COGIS - Environmental Sample Site Information

#465701 Information

Sample Site ID	465701
FacilityType	OG	Proj Number
County	WELD - 123	Location	NWSW 7 5N66W
Elevation	4875	Lat/Long	40.41415/-104.828292
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-50261	Well Name:	Bost Farm 12C-11-L
Well Status:	PR	Operator Name:	PDC ENERGY INC
Location:	NWSW 7 5N 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)

All

Sample ID: 672305 Sample Date: 09/23/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672305 Dolan Integration Group ID: DIG-041516
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1228	BTU/cuft
SOP	BUTANE	1.93	MOL %	0.005
SOP	C6+ (hexanes +)	0.051	MOL %	0.005
SOP	CARBON DIOXIDE	2.051	MOL %	0.005
SOP	DELTA 13C C1	-46	per mil
SOP	DELTA 13C C2	-32.3	per mil
SOP	DELTA 13C C3	-28.8	per mil
SOP	DELTA 13C CO2	3	per mil
SOP	DELTA 13C iC4	-31.2	per mil
SOP	Delta 13C iC5	-28.3	per mil
SOP	DELTA 13C nC4	-27.9	per mil
SOP	Delta 13C nC5	-27.5	per mil
SOP	DELTA D C1	-255	per mil
SOP	ETHANE	13.54	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	0.823	MOL %	0.005
SOP	ISOPENTANE	0.355	MOL %	0.005
SOP	METHANE	70.22	MOL %	0.005
SOP	NITROGEN (N2)	3.494	MOL %	0.005
SOP	OXYGEN + ARGON	0.857	MOL %	0.005
SOP	PENTANE	0.346	MOL %	0.005
SOP	PROPANE	6.333	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.774	No Unit

Sample ID: 672303 Sample Date: 09/23/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672303 Dolan Integration Group ID: DIG-041515
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1227	BTU/cuft
SOP	BUTANE	1.79	MOL %	0.005
SOP	C6+ (hexanes +)	0.065	MOL %	0.005
SOP	CARBON DIOXIDE	1.758	MOL %	0.005
SOP	DELTA 13C C1	-47.8	per mil
SOP	DELTA 13C C2	-32.7	per mil
SOP	DELTA 13C C3	-29	per mil
SOP	DELTA 13C CO2	3.3	per mil
SOP	DELTA 13C iC4	-31.4	per mil
SOP	Delta 13C iC5	-28.4	per mil
SOP	DELTA 13C nC4	-28	per mil
SOP	Delta 13C nC5	-27.6	per mil
SOP	DELTA D C1	-256	per mil
SOP	ETHANE	13.395	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.885	MOL %	0.005
SOP	ISOBUTANE	0.778	MOL %	0.005
SOP	ISOPENTANE	0.306	MOL %	0.005
SOP	METHANE	70.693	MOL %	0.005
SOP	NITROGEN (N2)	3.363	MOL %	0.005
SOP	OXYGEN + ARGON	0.538	MOL %	0.005
SOP	PENTANE	0.287	MOL %	0.005
SOP	PROPANE	6.141	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.764	No Unit

Sample ID: 646521 Sample Date: 02/06/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 646521 Dolan Integration Group ID: DIG-030949
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1198	BTU/cuft
SOP	BUTANE	1.156	MOL %	0.005
SOP	C6+ (hexanes +)	0.085	MOL %	0.005
SOP	CARBON DIOXIDE	1.874	MOL %	0.005
SOP	DELTA 13C C1	-47.4	per mil
SOP	DELTA 13C C2	-31	per mil
SOP	DELTA 13C C3	-27.3	per mil
SOP	DELTA 13C CO2	6.9	per mil
SOP	DELTA D C1	-262	per mil
SOP	ETHANE	13.017	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	0.539	MOL %	0.005
SOP	ISOPENTANE	0.204	MOL %	0.005
SOP	METHANE	76.018	MOL %	0.005
SOP	NITROGEN (N2)	1.661	MOL %	0.005
SOP	OXYGEN + ARGON	0.296	MOL %	0.005
SOP	PENTANE	0.188	MOL %	0.005
SOP	PROPANE	4.96	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.726	No Unit

Sample ID: 646522 Sample Date: 02/06/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 646522 Dolan Integration Group ID: DIG-030950
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1182	BTU/cuft
SOP	BUTANE	1.146	MOL %	0.005
SOP	C6+ (hexanes +)	0.106	MOL %	0.005
SOP	CARBON DIOXIDE	1.856	MOL %	0.005
SOP	DELTA 13C C1	-44	per mil
SOP	DELTA 13C C2	-31.4	per mil
SOP	DELTA 13C C3	-28	per mil
SOP	DELTA 13C CO2	5.6	per mil
SOP	DELTA 13C iC4	-30.3	per mil
SOP	Delta 13C iC5	-27	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-26.2	per mil
SOP	DELTA D C1	-262	per mil
SOP	ETHANE	12.868	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	0.536	MOL %	0.005
SOP	ISOPENTANE	0.204	MOL %	0.005
SOP	METHANE	74.802	MOL %	0.005
SOP	NITROGEN (N2)	2.753	MOL %	0.005
SOP	OXYGEN + ARGON	0.63	MOL %	0.005
SOP	PENTANE	0.189	MOL %	0.005
SOP	PROPANE	4.909	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.731	No Unit

Sample ID: 656606 Sample Date: 01/19/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 656606 Dolan Integration Group ID: DIG-034462
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1397	BTU/cuft
SOP	BUTANE	3.795	MOL %	0.005
SOP	C6+ (hexanes +)	0.04	MOL %	0.005
SOP	CARBON DIOXIDE	1.849	MOL %	0.005
SOP	DELTA 13C C1	-47.3	per mil
SOP	DELTA 13C C2	-32.1	per mil
SOP	DELTA 13C C3	-28.5	per mil
SOP	DELTA 13C CO2	4	per mil
SOP	DELTA 13C iC4	-30.1	per mil
SOP	Delta 13C iC5	-26.9	per mil
SOP	DELTA 13C nC4	-27.2	per mil
SOP	Delta 13C nC5	-25.1	per mil
SOP	DELTA D C1	-253	per mil
SOP	ETHANE	14.131	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.097	MOL %	0.005
SOP	ISOBUTANE	1.48	MOL %	0.005
SOP	ISOPENTANE	1.634	MOL %	0.005
SOP	METHANE	67.213	MOL %	0.005
SOP	NITROGEN (N2)	0.874	MOL %	0.005
SOP	OXYGEN + ARGON	0.193	MOL %	0.005
SOP	PENTANE	0.568	MOL %	0.005
SOP	PROPANE	8.127	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.844	No Unit

Sample ID: 656607 Sample Date: 01/19/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 656607 Dolan Integration Group ID: DIG-034463
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1408	BTU/cuft
SOP	BUTANE	3.845	MOL %	0.005
SOP	C6+ (hexanes +)	0.049	MOL %	0.005
SOP	CARBON DIOXIDE	1.847	MOL %	0.005
SOP	DELTA 13C C1	-47.3	per mil
SOP	DELTA 13C C2	-31.7	per mil
SOP	DELTA 13C C3	-28.8	per mil
SOP	DELTA 13C CO2	3.5	per mil
SOP	DELTA 13C iC4	-30	per mil
SOP	Delta 13C iC5	-26.8	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-25	per mil
SOP	DELTA D C1	-256	per mil
SOP	ETHANE	14.116	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.086	MOL %	0.005
SOP	ISOBUTANE	1.499	MOL %	0.005
SOP	ISOPENTANE	1.685	MOL %	0.005
SOP	METHANE	67.229	MOL %	0.005
SOP	NITROGEN (N2)	0.589	MOL %	0.005
SOP	OXYGEN + ARGON	0.114	MOL %	0.005
SOP	PENTANE	0.594	MOL %	0.005
SOP	PROPANE	8.347	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.847	No Unit

COGIS DB