Environmental Sample

COGIS - Environmental Sample Site Information

#451253 Information

Sample Site ID	451253
FacilityType	OG	Proj Number
County	WELD - 123	Location	NWSW 21 2N67W
Elevation	5003	Lat/Long	40.121646/-104.903281
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-45046	Well Name:	Leonard 4N
Well Status:	PR	Operator Name:	EXTRACTION OIL & GAS INC
Location:	NWSW 21 2N 67W

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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606101

601725

Sample ID: 606101 Sample Date: 3/27/2019 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 606101 Dolan Integration Group ID: DIG-018847
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	64	BTU/cuft
SOP	BUTANE	ND	MOL %	0.005	ND
SOP	C6+ (hexanes +)	0.01	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-49.5	per mil
SOP	DELTA 13C C2	-32.9	per mil
SOP	DELTA 13C C3	-29.4	per mil
SOP	DELTA 13C nC4	-30.8	per mil
SOP	DELTA D C1	-269	per mil
SOP	ETHANE	0.08	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	87.03	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	0.6	MOL %	0.005
SOP	NITROGEN (N2)	10.54	MOL %	0.005
SOP	OXYGEN + ARGON	1.72	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.03	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.967	No Unit

Sample ID: 601725 Sample Date: 10/14/2018 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 601725 Dolan Integration Group ID: DIG-016424
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	68	BTU/cuft
SOP	BUTANE	0.01	MOL %	0.005
SOP	C6+ (hexanes +)	0.02	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-48.2	per mil
SOP	DELTA 13C C2	-32.4	per mil
SOP	DELTA 13C C3	-29.1	per mil
SOP	DELTA 13C nC4	-29.6	per mil
SOP	DELTA D C1	-260	per mil
SOP	ETHANE	0.09	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	85	MOL %	0.005
SOP	ISOBUTANE	ND	MOL %	0.005	ND
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	0.61	MOL %	0.005
SOP	NITROGEN (N2)	12.24	MOL %	0.005
SOP	OXYGEN + ARGON	2	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.04	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.974	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 606101 Sample Date: 3/27/2019 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 601725 Sample Date: 10/14/2018 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group