Environmental Sample

COGIS - Environmental Sample Site Information

#452981 Information

Sample Site ID	452981
FacilityType	OG	Proj Number
County	WELD - 123	Location	NESE 19 8N59W
Elevation	4860	Lat/Long	40.644714/-104.011991
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-45842	Well Name:	Castor 8-59 19-24-12
Well Status:	PR	Operator Name:	BISON IV OPERATING LLC
Location:	NESE 19 8N 59W

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

668623

668626

655790

Sample ID: 668623 Sample Date: 06/09/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 668623 Dolan Integration Group ID: DIG-039982
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	8	BTU/cuft
SOP	BUTANE	0.007	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	0.026	MOL %	0.005
SOP	DELTA 13C C1	-47.9	per mil
SOP	DELTA 13C C2	-31.1	per mil
SOP	DELTA 13C C3	-29.4	per mil
SOP	DELTA D C1	-263	per mil
SOP	ETHANE	0.029	MOL %	0.005
SOP	ETHENE	0.013	MOL %	0.005
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	45.236	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	0.234	MOL %	0.005
SOP	NITROGEN (N2)	46.633	MOL %	0.005
SOP	OXYGEN + ARGON	7.801	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.02	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.986	No Unit

Sample ID: 668626 Sample Date: 06/09/2025 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 668626 Dolan Integration Group ID: DIG-039983
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1208	BTU/cuft
SOP	BUTANE	1.473	MOL %	0.005
SOP	C6+ (hexanes +)	0.052	MOL %	0.005
SOP	CARBON DIOXIDE	2.812	MOL %	0.005
SOP	DELTA 13C C1	-54.4	per mil
SOP	DELTA 13C C2	-38.7	per mil
SOP	DELTA 13C C3	-33.4	per mil
SOP	DELTA 13C CO2	-3.6	per mil
SOP	DELTA 13C iC4	-33.1	per mil
SOP	Delta 13C iC5	-28.5	per mil
SOP	DELTA 13C nC4	-30.6	per mil
SOP	Delta 13C nC5	-28.9	per mil
SOP	DELTA D C1	-288	per mil
SOP	ETHANE	11.774	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	0.504	MOL %	0.005
SOP	ISOPENTANE	0.19	MOL %	0.005
SOP	METHANE	74.25	MOL %	0.005
SOP	NITROGEN (N2)	1.881	MOL %	0.005
SOP	OXYGEN + ARGON	0.233	MOL %	0.005
SOP	PENTANE	0.215	MOL %	0.005
SOP	PROPANE	6.616	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.749	No Unit

Sample ID: 655790 Sample Date: 01/04/2024 Matrix: GAS Collection Point: PRODEQP Type: PRDG Lab: SPL

Sample Results for Sample # 655790 SPL ID: 24010086-002A
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1479	BTU/cuft
SOP	BUTANE	3.5728	MOL %	0.001
SOP	CARBON DIOXIDE	2.6318	MOL %	0.001
SOP	ETHENE	11.8499	MOL %	0.001
SOP	HEXANES	2.512	MOL %	0.001
SOP	HYDROGEN SULFIDE		MOL %
SOP	ISOBUTANE	1.007	MOL %	0.001
SOP	ISOPENTANE	0.8937	MOL %	0.001
SOP	METHANE	66.5789	MOL %	0.001
SOP	NITROGEN (N2)	0.8309	MOL %	0.001
SOP	PENTANE	1.0979	MOL %	0.001
SOP	PROPANE	9.0251	MOL %	0.001
SOP	SPECIFIC GRAVITY	0.9044	RATIO_AIR

COGIS DB

Sample Site Search

COGIS - Environmental Sample Site Information

Sample ID: 668623 Sample Date: 06/09/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 668626 Sample Date: 06/09/2025 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group

Sample ID: 655790 Sample Date: 01/04/2024 Matrix: GAS Collection Point: PRODEQP Type: PRDG Lab: SPL