Environmental Sample

COGIS - Environmental Sample Site Information

#206751 Information

Sample Site ID	206751
FacilityType	Gas	Proj Number
County	BOULDER - 013	Location	SENW 26 1N69W
Elevation	5163	Lat/Long	40.02483/-105.0874
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-013-06246	Well Name:	YOUNG 2-26
Well Status:	SI	Operator Name:	EXTRACTION OIL & GAS INC
Location:	SENW 26 1N 69W

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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672334

672335

Sample ID: 672334 Sample Date: 09/04/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672334 Dolan Integration Group ID: DIG-041568
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1206	BTU/cuft
SOP	BUTANE	1.437	MOL %	0.005
SOP	C6+ (hexanes +)	0.23	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-46.9	per mil
SOP	DELTA 13C C2	-28.5	per mil
SOP	DELTA 13C C3	-26.3	per mil
SOP	DELTA 13C iC4	-28.9	per mil
SOP	Delta 13C iC5	-27.5	per mil
SOP	DELTA 13C nC4	-25.6	per mil
SOP	Delta 13C nC5	-27.9	per mil
SOP	DELTA D C1	-247	per mil
SOP	ETHANE	8.66	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	0.753	MOL %	0.005
SOP	ISOPENTANE	0.614	MOL %	0.005
SOP	METHANE	83.137	MOL %	0.005
SOP	NITROGEN (N2)	1.129	MOL %	0.005
SOP	OXYGEN + ARGON	0.129	MOL %	0.005
SOP	PENTANE	0.544	MOL %	0.005
SOP	PROPANE	3.368	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.694	No Unit

Sample ID: 672335 Sample Date: 09/04/2025 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672335 Dolan Integration Group ID: DIG-041569
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1225	BTU/cuft
SOP	BUTANE	1.589	MOL %	0.005
SOP	C6+ (hexanes +)	0.153	MOL %	0.005
SOP	CARBON DIOXIDE	0.408	MOL %	0.005
SOP	DELTA 13C C1	-49.2	per mil
SOP	DELTA 13C C2	-33.5	per mil
SOP	DELTA 13C C3	-29.4	per mil
SOP	DELTA 13C CO2	-2.9	per mil
SOP	DELTA 13C iC4	-31.9	per mil
SOP	Delta 13C iC5	-27.1	per mil
SOP	DELTA 13C nC4	-27.8	per mil
SOP	Delta 13C nC5	-27.6	per mil
SOP	DELTA D C1	-258	per mil
SOP	ETHANE	10.87	MOL %	0.005
SOP	ETHENE	0.007	MOL %	0.005
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.645	MOL %	0.005
SOP	ISOBUTANE	0.622	MOL %	0.005
SOP	ISOPENTANE	0.386	MOL %	0.005
SOP	METHANE	79.208	MOL %	0.005
SOP	NITROGEN (N2)	1.087	MOL %	0.005
SOP	OXYGEN + ARGON	0.13	MOL %	0.005
SOP	PENTANE	0.424	MOL %	0.005
SOP	PROPANE	4.471	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.711	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 672334 Sample Date: 09/04/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 672335 Sample Date: 09/04/2025 Matrix: GAS Collection Point: PRDC Type: PRDG Lab: Dolan Integration Group