Facility Detail

COGIS - WELL SCOUT CARD

Related Insp MIT GIS Old GIS Doc COA Wellbore Orders Bradenhead
Surface Location API# 05-103-10471		Well Classification: GW	Status: SI - 12/1/2025
Well Name/No:	EUREKA UNIT #8806C 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 065559
Facility Status:	SI	Status Date	12/1/2025
FacilityID:	273339	LocationID:	335630
County:	RIO BLANCO #103	Location:	SENW 19 3S97W 6
Field:	SULPHUR CREEK - #80090	Elevation:	7214 ft.
Basin:	PICEANCE BASIN
Planned Location:	2099FNL 1740 FWL	Lat/Long: 39.775983 / -108.326126	Lat/Long Source: Calculated From Footages
As Drilled Location:	Footages Not Available	Lat/Long: 39.775970 / -108.326070	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: 11300 ft. Vertical TD: 11280 ft.

Wellbore Data for Original Wellbore		Wellbore Classification: GW SI - 12/1/2025
Wellbore Permit
Permit #:	20053888	Expiration Date:	11/16/2006
Proposed Top PZ Location:	Sec:19 Twp: 3S 97W	Footage: 2497 FNL 1631 FWL
Bottom Hole Location:	Sec:19 Twp: 3S 97W	Footage: 2497 FNL 1631 FWL
Proposed Depth/Form:	11565 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:	4/20/2006
Spud Date:	3/23/2006	Spud Date Is:	ACTUAL
Measured TD:	11300 ft.	Measured PB depth:	11251 ft.
True Vertical TD:	11280 ft.	True Vertical PB depth:	11231 ft.
Top PZ Location:	Sec:19 Twp: 3S 97W	Footage: 2497 FNL 1631 FWL
Bottom Hole Location:	Sec:19 Twp: 3S 97W	Footage: 2497 FNL 1631 FWL
Log Types:	ARRAY IND-SFL, COMPENSATED-DENSITY/DUAL NEUTRON, CBL, MUD
Casing:	String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: , Top: 0 ft., Bottom: 80 ft., Determination Method: CALC
Casing:	String Type: SURF, Hole Size: 14.75 in., Size: 9.625 in., Top: 0 ft., Depth: 3037 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 1200, Top: 1512 ft., Bottom: 3037 ft., Determination Method: CALC
Casing:	String Type: 1ST, Hole Size: 6.75 in., Size: 4.5 in., Top: 0 ft., Depth: 11275 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 785, Top: 6845 ft., Bottom: 11275 ft., Determination Method: CBL
Casing:	String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 1512 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 855, Top: 0 ft., Bottom: 1512 ft., Determination Method: CALC
Casing:	String Type: S.C. 1.2, Hole Size: , Size: , Top: , Depth: 6845 ft., Weight: , Citings Type: ACTUAL
Cement:	Sacks: 625, Top: 3000 ft., Bottom: 6845 ft., Determination Method: CBL
Formation	Interval Top	Log Bottom	Cored	DSTs
WILLIAMS FORK	6447 ft.	10239 ft.	N	N
ROLLINS	10239 ft.	10392 ft.	N	N
COZZETTE	10392 ft.	10499 ft.	N	N
CORCORAN	10499 ft.	10692 ft.	N	N
SEGO	10692 ft.	11300 ft.	N	N

Formation SEGO Formation Classification: GW Status: SI - 6/1/2006 Interval Top: 10718 ft. Interval Bottom: 10974 ft.

Completed Information for Formation SEGO

1st Production Date:	6/14/2006	Choke Size:
Formation Name:	SEGO	Commingled:	Yes
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	6/5/2006
Treatment Summary:	STAGE 1 TREATED WITH A TOTAL OF: 3420 BBLS OF SLICKWATER, 93,663 LBS 20-40 SAND, 24 BBL 15% HCL.

Tubing Size:		Tubing Setting Depth:
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
No Initial Test Data was found for formation SEGO.

Perforation Data:
Interval Top:	10718 ft.	# Of Holes:	27
Interval Bottom:	10974 ft.	Hole Size:	0.34 in.

Formation WMFK Formation Classification: GW Status: SI - 12/1/2025 Interval Top: 6862 ft. Interval Bottom: 10019 ft.

Completed Information for Formation WILLIAMS FORK

1st Production Date:	6/14/2006	Choke Size:	0.375 in.
Formation Name:	WILLIAMS FORK	Commingled:	Yes
Production Method:
Open Hole Completion:	No

Formation Treatment
Treatment Date:	4/20/2006
Treatment Summary:	STAGES 2-12 TREATED WITH A TOTAL OF; 41,322 BBLS OF SLICKWATER, 1,691,061 LBS 20-40 SAND, 132 BBL 15% HCI.

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	7928 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	9/25/2006	Test Method:	FLOWING
Hours Tested:	24	Gas Type:	DRY
Gas Disposal:	SOLD
CALC_MCF_GAS	1388
CASING_PRESS	1463
MCF_GAS	1388
TUBING_PRESS	800

Perforation Data:
Interval Top:	6862 ft.	# Of Holes:	285
Interval Bottom:	10019 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)	6
Total Gas Produced (MCF)	14155
GOR	2359166
GOR Determination	MCFE
Average BOE per Day	6.700
Average MCFE per Day	38.866

Federal Financial Assurance

Tribal Well