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 Surface Location
 API# 05-103-10346
Well Classification: GW Status: SI - 12/1/2025
Well Name/No:DOUBLE WILLOW UNIT #8608B H08 497
(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 #:
Facility Status:SIStatus Date12/1/2025
FacilityID:268612LocationID:316354
County:RIO BLANCO #103Location:SENE 8 4S97W 6
Field:WILLOW CREEK - #93100Elevation:7125 ft.
Basin:PICEANCE BASIN  
Planned Location:1847FNL  1094 FELLat/Long: 39.718424 / -108.297404Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.718481 / -108.297246Lat/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: 9990 ft.    Vertical TD: 9971 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 12/1/2025
Wellbore Permit
Permit #:20031097 Expiration Date:7/10/2004
Proposed Depth/Form:10485 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEDERALSurface Owner:FEDERAL
Unit: Unit Number: 
Formation And Spacing:Code: CZ-CR , Formation: COZZETTE-CORCORAN , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: RLNS , Formation: ROLLINS , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: SEGO , Formation: SEGO , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: WMFK , Formation: WILLIAMS FORK , Order: , Unit Acreage: , Drill Unit:

Wellbore Completed
Completion Date:7/25/2004
Spud Date:3/26/2004Spud Date Is:ACTUAL
Measured TD:9990 ft.Measured PB depth:9941 ft.
True Vertical TD:9971 ft.True Vertical PB depth:9922 ft.
Log Types:CBL-VDL/GR/CCL, RSL, AI, GR CORRELATION, CN
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: , Depth: 105 ft., Weight: 55 , Citings Type: ACTUAL
Cement:Sacks: 150, Top: , Bottom: 105 ft., Determination Method: CALC
Casing:String Type: SURF, Hole Size: 14.75 in., Size: 9.625 in., Top: , Depth: 2535 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 1475, Top: , Bottom: 2535 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 9990 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 1732, Top: 5285 ft., Bottom: 9990 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
DOUGLAS CREEK1490 ft.NN
WASATCH1893 ft.NN
OHIO CREEK5430 ft.NN
ROLLINS9096 ft.NN
COZZETTE9274 ft.NN
CORCORAN9439 ft.NN
SEGO9748 ft.NN

Formation SEGO                     Formation Classification:  GW                     Status:  SI - 12/1/2025                 Interval Top: 9699 ft.    Interval Bottom: 9851 ft.

 Completed Information for Formation SEGO
1st Production Date:N/AChoke Size: 
Formation Name:SEGOCommingled:Yes
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:7/25/2004
Treatment Summary:STAGE 1: 9,699 - 9,851, 28-0.340" SHOTS, ACID - 22 BBLS + 42 BALLS, 5033 BBLS OF SLICKWATER, 208552 LBS OF 20-40 SAND. TEST IS SEGO ONLY.
Tubing Size:2.375 in.Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:6/8/2004Test Method:FLWG-RECOVERING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 112
BBLS_OIL 0
CALC_BBLS_H2O 112
CALC_BBLS_OIL 0
CALC_MCF_GAS 500
CASING_PRESS 285
MCF_GAS 500
Perforation Data:
Interval Top:9699 ft.# Of Holes:28
Interval Bottom:9851 ft.Hole Size:0.34 in.

Formation WMFK                     Formation Classification:  GW                     Status:  SI - 12/1/2025                 Interval Top: 6631 ft.    Interval Bottom: 9053 ft.

 Completed Information for Formation WILLIAMS FORK
1st Production Date:N/AChoke Size: 
Formation Name:WILLIAMS FORKCommingled:Yes
Production Method:FLOWING - WMFK & SEGO
Open Hole Completion:No
Formation Treatment
Treatment Date:7/25/2004
Treatment Summary:STAGE 2; CBP@9600'. PERF 894-8990', 12 SHOTS; 8829-9053', 38 SHOTS; 1000 GALS 7.5% HCL, 181,847# SD IN 4997 BBLS SLICKWATER. STAGE 3; CFP @ 8800'. PERF 8472-8845', 16 HOLES;1000 GALS 7.5% HCL, 96810# SD IN 3827 BBLS SLICKWATER. STAGE 4; CFP @ 8300'.
Tubing Size:2.375 in.Tubing Setting Depth:8806 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:8/12/2004Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 262
BBLS_OIL 5
CALC_BBLS_H2O 262
CALC_BBLS_OIL 5
CALC_GOR 379400
CALC_MCF_GAS 1897
CASING_PRESS 996
MCF_GAS 1897
TUBING_PRESS 368
Perforation Data:
Interval Top:6631 ft.# Of Holes:208
Interval Bottom:9053 ft.Hole Size:0.34 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2024 - November 2025i
Total Oil Produced (Barrels)238
Total Gas Produced (MCF)15056
GOR63260
GOR DeterminationMCFE
Average BOE per Day7.771
Average MCFE per Day45.102

 Federal Financial Assurance  i Y

 Tribal Well  i No