Facility Detail

COGIS - WELL SCOUT CARD

Related Insp MIT GIS Old GIS Doc COA Wellbore Orders Bradenhead
Surface Location API# 05-103-10472		Well Classification: GW	Status: SI - 12/1/2025
Well Name/No:	EUREKA UNIT #8803B F19 397 (Click Well Name for Production Data)	Click Here for Transporter Gatherer Info
Operator:	QB ENERGY OPERATING LLC - 10844 (Click Operator Name for Company Detail Report)	Federal Or State Lease #:	COC 65559
Facility Status:	SI	Status Date	12/1/2025
FacilityID:	273338	LocationID:	335630
County:	RIO BLANCO #103	Location:	SENW 19 3S97W 6
Field:	SULPHUR CREEK - #80090	Elevation:	7214 ft.
Basin:	PICEANCE BASIN
Planned Location:	2081FNL 1750 FWL	Lat/Long: 39.776033 / -108.326096	Lat/Long Source: Calculated From Footages
As Drilled Location:	Footages Not Available	Lat/Long: 39.776006 / -108.326044	Lat/Long Source: Field Measured

Wellbore And Formation Details -- select either a wellbore Or formation to expand.

Wellbore #00 Wellbore Classification: GW Status: SI - 12/1/2025 Measured TD: 11470 ft. Vertical TD: 11207 ft.

Wellbore Data for Original Wellbore		Wellbore Classification: GW SI - 12/1/2025
Wellbore Permit
Permit #:	20053889	Expiration Date:	11/16/2006
Proposed Top PZ Location:	Sec:19 Twp: 3S 97W	Footage: 480 FNL 1775 FWL
Bottom Hole Location:	Sec:19 Twp: 3S 97W	Footage: 480 FNL 1775 FWL
Proposed Depth/Form:	11902 ft.
Surface Mineral Owner Same:	Yes
Mineral Owner:	FEDERAL	Surface Owner:	FEDERAL
Unit:	EUREKA UNIT	Unit Number:	COC 67628X
Formation And Spacing:	Code: CZ-CR , Formation: COZZETTE-CORCORAN , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:	Code: ILES , Formation: ILES , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:	Code: RLNS , Formation: ROLLINS , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:	Code: WMFK , Formation: WILLIAMS FORK , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:	Code: WSTC , Formation: WASATCH , Order: , Unit Acreage: , Drill Unit:

Wellbore Completed
Completion Date:	5/12/2006
Spud Date:	4/21/2006	Spud Date Is:	ACTUAL
Measured TD:	11470 ft.	Measured PB depth:	11409 ft.
True Vertical TD:	11207 ft.	True Vertical PB depth:	11146 ft.
Top PZ Location:	Sec:19 Twp: 3S 97W	Footage: 482 FNL 1888 FWL
Bottom Hole Location:	Sec:19 Twp: 3S 97W	Footage: 482 FNL 1888 FWL
Log Types:	CBL; ARRAY IND/SFL; COMP PHOTO DENSITY/DUAL NEUTRON; MUD
Casing:	String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 103 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: , Top: 0 ft., Bottom: 103 ft., Determination Method: CALC
Casing:	String Type: SURF, Hole Size: 14.75 in., Size: 9.625 in., Top: 0 ft., Depth: 2426 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 819, Top: 1460 ft., Bottom: 2426 ft., Determination Method: CALC
Casing:	String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 11460 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 1675, Top: 3046 ft., Bottom: 11470 ft., Determination Method: CBL
Casing:	String Type: 2ND, Hole Size: 14.75 in., Size: 9.625 in., Top: 0 ft., Depth: 1460 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 210, Top: 0 ft., Bottom: 1460 ft., Determination Method: CALC
Formation	Interval Top	Log Bottom	Cored	DSTs
WILLIAMS FORK	6666 ft.	10615 ft.	N	N
ROLLINS	10615 ft.	10772 ft.	N	N
COZZETTE	10772 ft.	10953 ft.	N	N
CORCORAN	10953 ft.	11118 ft.	N	N
SEGO	11118 ft.	11470 ft.	N	N

Formation SEGO Formation Classification: GW Status: SI - 12/1/2025 Interval Top: 11141 ft. Interval Bottom: 11363 ft.

Completed Information for Formation SEGO

1st Production Date:	6/13/2006	Choke Size:	0.250 in.
Formation Name:	SEGO	Commingled:	Yes
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/9/2006
Treatment Summary:	STAGES 01 TREATED WITH A TOTAL OF: 7153 BBLS OF SLICKWATER, 140619# 20/40 SAND, 24 BBLS 15% HCL

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	8542 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	9/5/2006	Test Method:	FLOWING
Hours Tested:	24	Gas Type:
Gas Disposal:	SOLD
BBLS_H2O	304
BTU_GAS	1170
CALC_BBLS_H2O	304
CALC_MCF_GAS	1032
CASING_PRESS	1949
MCF_GAS	1032
TUBING_PRESS	1393

Perforation Data:
Interval Top:	11141 ft.	# Of Holes:	27
Interval Bottom:	11363 ft.	Hole Size:	0.34 in.

Formation WMFK Formation Classification: GW Status: SI - 12/1/2025 Interval Top: 7197 ft. Interval Bottom: 10427 ft.

Completed Information for Formation WILLIAMS FORK

1st Production Date:	6/13/2006	Choke Size:	0.250 in.
Formation Name:	WILLIAMS FORK	Commingled:	Yes
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	5/12/2006
Treatment Summary:	STAGES 02-11 TREATED WITH A TOTAL OF: 41882 BBLS SLICKWATER, 1679633# 20/40 SAND, 144 BBLS 15% HCL

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	8542 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	9/5/2006	Test Method:	FLOWING
Hours Tested:	24	Gas Type:
Gas Disposal:	SOLD
BTU_GAS	1170
CALC_BBLS_H2O	0
CALC_BBLS_OIL	0
CALC_MCF_GAS	1032
CASING_PRESS	1949
MCF_GAS	1032
TUBING_PRESS	1393

Perforation Data:
Interval Top:	7197 ft.	# Of Holes:	252
Interval Bottom:	10427 ft.	Hole Size:	0.42 in.

All Designations		Date
Primary Well Designation: None i
Reported Plugged	N
Out Of Service Repurposed	N
Out Of Service	N
Inactive Exception	N
Noticed Inactive	N
Defined Inactive	N
Low Producing	N

December 2024 - November 2025	i
BOE/MCFE/GOR Calculations Production for Previous 12 Months
Total Oil Produced (Barrels)	4
Total Gas Produced (MCF)	6980
GOR	1745000
GOR Determination	MCFE
Average BOE per Day	3.302
Average MCFE per Day	19.160

Federal Financial Assurance

Tribal Well