Environmental Sample

COGIS - Environmental Sample Site Information

#281158 Information

Sample Site ID	281158
FacilityType	Gas	Proj Number
County	WELD - 123	Location	NESW 9 2N65W
Elevation	4880	Lat/Long	40.15154/-104.67108
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-23343	Well Name:	DECHANT 11-9
Well Status:	PA	Operator Name:	KERR MCGEE OIL & GAS ONSHORE LP
Location:	NESW 9 2N 65W

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

674183

674184

664139

664140

Sample ID: 674183 Sample Date: 10/28/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: ISOTECH

Sample Results for Sample # 674183 ISOTECH ID: 991318
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	ARGON	0.0258	MOL %	0.005
SOP	BRITISH THERMAL UNITS	1200	BTU
SOP	BUTANE	1.25	MOL %	0.0001
SOP	C6+ (hexanes +)	0.0916	MOL %	0.0001
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	CARBON MONOXIDE	ND	MOL %	0.01	ND
SOP	DELTA 13C C1	-50.03	‰
SOP	DELTA 13C C2	-34.72	‰
SOP	DELTA 13C C3	-30.01	‰
SOP	DELTA 13C iC4	-31.87	‰
SOP	Delta 13C iC5	-28.45	‰
SOP	DELTA 13C nC4	-28.42	‰
SOP	Delta 13C nC5	-27.54	‰
SOP	DELTA D C1	-251.8	‰
SOP	ETHANE	10.33	MOL %	0.0001
SOP	ETHENE	ND	MOL %	0.0001	ND
SOP	Helium	0.0165	MOL %	0.0025
SOP	HYDROGEN	0.12	MOL %	0.0025
SOP	ISOBUTANE	0.621	MOL %	0.0001
SOP	ISOPENTANE	0.293	MOL %	0.0001
SOP	METHANE	78.67	MOL %	0.0002
SOP	NITROGEN (N2)	2.71	MOL %	0.01
SOP	OXYGEN (O2)	0.49	MOL %	0.01
SOP	PENTANE	0.223	MOL %	0.0001
SOP	PROPANE	5.15	MOL %	0.0001
SOP	PROPENE	ND	MOL %	0.0001	ND
SOP	SPECIFIC GRAVITY	0.707	RATIO_AIR

Sample ID: 674184 Sample Date: 10/28/2025 Matrix: GAS Collection Point: PRDC Type: PCS Lab: ISOTECH

Sample Results for Sample # 674184 ISOTECH ID: 991317
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	ARGON	ND	MOL %	0.005	ND
SOP	BRITISH THERMAL UNITS	1258	BTU
SOP	BUTANE	1.56	MOL %	0.0001
SOP	C6+ (hexanes +)	0.0133	MOL %	0.0001
SOP	CARBON DIOXIDE	2.14	MOL %	0.005
SOP	CARBON MONOXIDE	ND	MOL %	0.01	ND
SOP	DELTA 13C C1	-47.14	‰
SOP	DELTA 13C C2	-32.01	‰
SOP	DELTA 13C C3	-28.67	‰
SOP	DELTA 13C CO2	3.05	‰
SOP	DELTA 13C iC4	-31.14	‰
SOP	Delta 13C iC5	-27.67	‰
SOP	DELTA 13C nC4	-27.49	‰
SOP	Delta 13C nC5	-26.18	‰
SOP	DELTA D C1	-247	‰
SOP	ETHANE	14.86	MOL %	0.0001
SOP	ETHENE	ND	MOL %	0.0001	ND
SOP	Helium	0.0068	MOL %	0.0025
SOP	HYDROGEN	0.402	MOL %	0.0025
SOP	ISOBUTANE	0.763	MOL %	0.0001
SOP	ISOPENTANE	0.189	MOL %	0.0001
SOP	METHANE	73.22	MOL %	0.0002
SOP	NITROGEN (N2)	0.39	MOL %	0.01
SOP	OXYGEN (O2)	0.047	MOL %	0.01
SOP	PENTANE	0.1	MOL %	0.0001
SOP	PROPANE	6.32	MOL %	0.0001
SOP	PROPENE	0.0001	MOL %	0.0001
SOP	SPECIFIC GRAVITY	0.747	RATIO_AIR

Sample ID: 664139 Sample Date: 10/10/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: ISOTECH

Sample Results for Sample # 664139 ISOTECH ID: 942310
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	ARGON	ND	MOL %	0.005	ND
SOP	BRITISH THERMAL UNITS	1177	BTU
SOP	BUTANE	0.771	MOL %	0.0001
SOP	C6+ (hexanes +)	0.075	MOL %	0.0001
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	CARBON MONOXIDE	ND	MOL %	0.01	ND
SOP	DELTA 13C C1	-50	‰
SOP	DELTA 13C C2	-35	‰
SOP	DELTA 13C C3	-30	‰
SOP	DELTA 13C iC4	-31.7	‰
SOP	Delta 13C iC5	-28.5	‰
SOP	DELTA 13C nC4	-28.8	‰
SOP	Delta 13C nC5	-28	‰
SOP	DELTA D C1	-246	‰
SOP	ETHANE	9.48	MOL %	0.0001
SOP	ETHENE	ND	MOL %	0.0001	ND
SOP	Helium	0.0172	MOL %	0.0025
SOP	HYDROGEN	0.339	MOL %	0.0025
SOP	ISOBUTANE	0.452	MOL %	0.0001
SOP	ISOPENTANE	0.168	MOL %	0.0001
SOP	METHANE	83.62	MOL %	0.0002
SOP	NITROGEN (N2)	0.84	MOL %	0.01
SOP	OXYGEN (O2)	0.046	MOL %	0.01
SOP	PENTANE	0.126	MOL %	0.0001
SOP	PROPANE	4.07	MOL %	0.0001
SOP	PROPENE	ND	MOL %	0.0001	ND
SOP	SPECIFIC GRAVITY	0.667	RATIO_AIR

Sample ID: 664140 Sample Date: 10/10/2024 Matrix: GAS Collection Point: PRDC Type: PCS Lab: ISOTECH

Sample Results for Sample # 664140 ISOTECH ID: 942309
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	ARGON	ND	MOL %	0.005	ND
SOP	BRITISH THERMAL UNITS	1254	BTU
SOP	BUTANE	1.63	MOL %	0.0001
SOP	C6+ (hexanes +)	0.003	MOL %	0.0001
SOP	CARBON DIOXIDE	2.26	MOL %	0.005
SOP	CARBON MONOXIDE	ND	MOL %	0.01	ND
SOP	DELTA 13C C1	-47.4	‰
SOP	DELTA 13C C2	-32.3	‰
SOP	DELTA 13C C3	-28.7	‰
SOP	DELTA 13C CO2	2.8	‰
SOP	DELTA 13C iC4	-31.3	‰
SOP	Delta 13C iC5	-28	‰
SOP	DELTA 13C nC4	-27.7	‰
SOP	Delta 13C nC5	-27	‰
SOP	DELTA D C1	-241	‰
SOP	ETHANE	14.3	MOL %	0.0001
SOP	ETHENE	ND	MOL %	0.0001	ND
SOP	Helium	0.0061	MOL %	0.0025
SOP	HYDROGEN	0.661	MOL %	0.0025
SOP	ISOBUTANE	0.766	MOL %	0.0001
SOP	ISOPENTANE	0.257	MOL %	0.0001
SOP	METHANE	73.49	MOL %	0.0002
SOP	NITROGEN (N2)	0.32	MOL %	0.01
SOP	OXYGEN (O2)	0.042	MOL %	0.01
SOP	PENTANE	0.198	MOL %	0.0001
SOP	PROPANE	6.07	MOL %	0.0001
SOP	PROPENE	ND	MOL %	0.0001	ND
SOP	SPECIFIC GRAVITY	0.746	RATIO_AIR

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COGIS - Environmental Sample Site Information

Sample ID: 674183 Sample Date: 10/28/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: ISOTECH

Sample ID: 674184 Sample Date: 10/28/2025 Matrix: GAS Collection Point: PRDC Type: PCS Lab: ISOTECH

Sample ID: 664139 Sample Date: 10/10/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: ISOTECH

Sample ID: 664140 Sample Date: 10/10/2024 Matrix: GAS Collection Point: PRDC Type: PCS Lab: ISOTECH