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 Surface Location
 API# 05-045-13001
Well Classification: GW Status: SI - 1/1/2026
Well Name/No:UNOCAL-ENCANA #23D-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 Date1/1/2026
FacilityID:287572LocationID:335618
County:GARFIELD #045Location:NESW 4 6S96W 6
Field:GRAND VALLEY - #31290Elevation:5806 ft.
Basin:PICEANCE BASIN  
Planned Location:1495FSL  1823 FWLLat/Long: 39.550810 / -108.114410Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 39.550810 / -108.114470Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 1/1/2026             Measured TD: 8211 ft.    Vertical TD: 8200 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 1/1/2026
Wellbore PermitDIRECTIONAL
Permit #:20065483 Expiration Date:10/26/2007
Proposed Top PZ Location:Sec:4 Twp: 6S 96W Footage: 1724 FSL  1970 FWL
Bottom Hole Location:Sec:4 Twp: 6S 96W Footage: 1724 FSL  1970 FWL
Proposed Depth/Form:8260 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:12/23/2006
Spud Date:12/8/2006Spud Date Is:ACTUAL
Measured TD:8211 ft.Measured PB depth:8120 ft.
True Vertical TD:8200 ft.True Vertical PB depth:8109 ft.
Top PZ Location:Sec:4 Twp: 6S 96WFootage: 1724 FSL  1970 FWL
Bottom Hole Location:Sec:4 Twp: 6S 96WFootage: 1724 FSL  1970 FWL
Log Types:MUD,CBL,ARRAY INDUCTION COMPENSATED NEUTRON DENSITY HOLE VOLUME
Casing:String Type: CONDUCTOR, Hole Size: , Size: , Top: 0 ft., Depth: 100 ft., Weight: 42 , Citings Type: ACTUAL
Cement:Sacks: 100, Top: 0 ft., Bottom: 100 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 2975 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 650, Top: 0 ft., Bottom: 2975 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8206 ft., Weight: 11.60 , Citings Type: ACTUAL
Cement:Sacks: 1739, Top: 1744 ft., Bottom: 8206 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
WILLIAMS FORK4631 ft.NN
CAMEO7481 ft.NN
ROLLINS7963 ft.NN

Formation WFCM                     Formation Classification:  GW                     Status:  SI - 1/1/2026                  Interval Top: 5060 ft.    Interval Bottom: 7574 ft.

 Completed Information for Formation WILLIAMS FORK - CAMEO
1st Production Date:5/18/2007Choke Size: 
Formation Name:WILLIAMS FORK - CAMEOCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:5/1/2007
Treatment Summary:FRAC USING 18,934.9 BBLS SLICKWATER GEL AND 729,649 LBS 30/50 MESH WHITE SAND
Tubing Size:2.375 in.Tubing Setting Depth:7586 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:5/1/2007Test Method:FLOWING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 14
BBLS_OIL 1
BTU_GAS 1057
CALC_BBLS_H2O 14
CALC_BBLS_OIL 1
CALC_GOR 912857
CALC_MCF_GAS 639
CASING_PRESS 2500
MCF_GAS 639
TUBING_PRESS 0
Perforation Data:
Interval Top:5060 ft.# Of Holes:123
Interval Bottom:7574 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)16
Total Gas Produced (MCF)9990
GOR624375
GOR DeterminationMCFE
Average BOE per Day4.760
Average MCFE per Day27.615

 Federal Financial Assurance  i 

 Tribal Well  i No