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 Surface Location
 API# 05-045-13234
Well Classification: GW Status: SI - 10/1/2025
Well Name/No:UNOCAL-ENCANA #23A-4D
(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 Date10/1/2025
FacilityID:288400LocationID:335618
County:GARFIELD #045Location:NESW 4 6S96W 6
Field:GRAND VALLEY - #31290Elevation:5806 ft.
Basin:PICEANCE BASIN  
Planned Location:1483FSL  1735 FWLLat/Long: 39.550780 / -108.114730Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 39.550780 / -108.114780Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 10/1/2025             Measured TD: 8367 ft.    Vertical TD: 8208 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 10/1/2025
Wellbore PermitDIRECTIONAL
Permit #:20065484 Expiration Date:12/11/2007
Proposed Top PZ Location:Sec:4 Twp: 6S 96W Footage: 2651 FSL  2046 FWL
Bottom Hole Location:Sec:4 Twp: 6S 96W Footage: 2651 FSL  2046 FWL
Proposed Depth/Form:8490 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: WMFK , Formation: WILLIAMS FORK , Order: 510-13 , Unit Acreage: , Drill Unit:

Wellbore Completed
Completion Date:2/25/2007
Spud Date:2/10/2007Spud Date Is:ACTUAL
Measured TD:8367 ft.Measured PB depth:8266 ft.
True Vertical TD:8208 ft.True Vertical PB depth:8107 ft.
Top PZ Location:Sec:4 Twp: 6S 96WFootage: 2651 FSL  2046 FWL
Bottom Hole Location:Sec:4 Twp: 6S 96WFootage: 2651 FSL  2046 FWL
Log Types:MUD, CBL, ARRAY INDUCTION COMPENSATED NEUTRON DENSITY HOLE VOLUME
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 16 in., Top: 0 ft., Depth: 100 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 100, Top: 0 ft., Bottom: 100 ft., Determination Method:
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 3039 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 817, Top: 0 ft., Bottom: 3039 ft., Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8372 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 1190, Top: 2530 ft., Bottom: 8372 ft., Determination Method:
FormationInterval TopLog BottomCoredDSTs
WILLIAMS FORK4856 ft.NN
CAMEO7710 ft.NN
ROLLINS9298 ft.NN

Formation WFCM                     Formation Classification:  GW                     Status:  SI - 10/1/2025                 Interval Top: 5476 ft.    Interval Bottom: 7804 ft.

 Completed Information for Formation WILLIAMS FORK - CAMEO
1st Production Date:5/22/2007Choke Size: 
Formation Name:WILLIAMS FORK - CAMEOCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:5/8/2007
Treatment Summary:FRAC'D USING 18,504.6 BBLS SLICKWATER GEL AND 673,529 LBS 30/50 MESH WHITE SAND
Tubing Size:2.375 in.Tubing Setting Depth:7696 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:5/8/2007Test Method:FLOWING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 19
BBLS_OIL 1
BTU_GAS 1057
CALC_BBLS_H2O 19
CALC_BBLS_OIL 1
CALC_GOR 872000
CALC_MCF_GAS 872
CASING_PRESS 2900
MCF_GAS 872
TUBING_PRESS 0
Perforation Data:
Interval Top:5476 ft.# Of Holes:121
Interval Bottom:7804 ft.Hole Size:0.34 in.
Primary Well Designation:
Low Producing      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingYProduction Period
12/2024 - 11/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2024 - November 2025i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)9
GOR
GOR DeterminationMCFE
Average BOE per Day0.006
Average MCFE per Day0.025

 Federal Financial Assurance  i 

 Tribal Well  i No