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 Surface Location
 API# 05-103-10081
Well Classification: GW Status: SI - 5/1/2025
Well Name/No:MALLARD #4804
(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 #:COC62805
Facility Status:SIStatus Date5/1/2025
FacilityID:258992LocationID:316239
County:RIO BLANCO #103Location:NENW 18 1S97W 6
Field:DUCK CREEK - #18872Elevation:6503 ft.
Basin:PICEANCE BASIN  
Planned Location:610FNL  2285 FWLLat/Long: 39.968980 / -108.325238Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.968962 / -108.325271Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 5/1/2025             Measured TD: 12505 ft.    Vertical TD: 12505 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 5/1/2025
Wellbore Permit
Permit #:Expiration Date:9/2/2005
Proposed Depth/Form:13000 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEDERALSurface Owner:FEDERAL
Unit: Unit Number: 
Formation And Spacing:Code: COZZ , Formation: COZZETTE , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: CRCRN , Formation: CORCORAN , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: ILES , Formation: ILES , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: MVRD , Formation: MESAVERDE , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: WMFK , Formation: WILLIAMS FORK , Order: , Unit Acreage: , Drill Unit:
Casing:String Type: SURF, Hole Size: 17.5 in., Size: 13.375 in., Top: , Depth: 3283 ft., Weight: 54.5 , Citings Type: PLANNED
Cement:Sacks: 960, Top: 0 ft., Bottom: 3283 ft.

Wellbore Completed
Completion Date:10/13/2004
Spud Date:8/14/2001Spud Date Is:ACTUAL
Measured TD:12505 ft.Measured PB depth:11900 ft.
True Vertical TD:12505 ft.True Vertical PB depth:11900 ft.
Log Types:
Log Types:PLATFORM EXPRESS, CBL
Casing:String Type: CONDUCTOR, Hole Size: 29 in., Size: 24 in., Top: 0 ft., Depth: 80 ft., Weight: 0 , Citings Type: ACTUAL
Cement:Sacks: 0, Top: 0 ft., Bottom: 80 ft., Determination Method: CALC
Casing:String Type: SURF, Hole Size: 19 in., Size: 13.375 in., Top: 0 ft., Depth: 3283 ft., Weight: 68 , Citings Type: ACTUAL
Cement:Sacks: 1810, Top: 0 ft., Bottom: 3283 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 7327 ft., Weight: 40 , Citings Type: ACTUAL
Cement:Sacks: 870, Top: 0 ft., Bottom: 7327 ft., Determination Method: CALC
Casing:String Type: 2ND, Hole Size: 8.5 in., Size: 4.5 in., Top: 0 ft., Depth: 12525 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 1940, Top: 7327 ft., Bottom: 12525 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
WASATCH G5718 ft.NN
OHIO CREEK7304 ft.NN
WILLIAMS FORK7923 ft.NN
ROLLINS11671 ft.NN
COZZETTE11833 ft.NN
CORCORAN11950 ft.NN
SEGO12219 ft.NN
LOYD SS12839 ft.NN

Formation CRCRN                   Formation Classification:  GW                   Status:  TA - 9/1/2007                  Interval Top: 11962 ft.    Interval Bottom: 12166 ft.

 Completed Information for Formation CORCORAN
1st Production Date:N/AChoke Size:0.375 in.
Formation Name:CORCORANCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:10/13/2004
Treatment Summary:11,962-12,166, 22-0.430" SHOTS, 1000 GAL 7.5% ACID, 25,000# CARBO PROP SAND, SLICKWATER. SET CIBP @ 11900'
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:N/ATest Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BTU_GAS 1170
CALC_BBLS_H2O 0
CALC_BBLS_OIL 0
CALC_GOR 0
CALC_MCF_GAS 0
Perforation Data:
Interval Top:11962 ft.# Of Holes:22
Interval Bottom:12166 ft.Hole Size:0.43 in.

Formation RLNS                     Formation Classification:  GW                     Status:  SI - 5/1/2025                  Interval Top: 11678 ft.    Interval Bottom: 11772 ft.

 Completed Information for Formation ROLLINS
1st Production Date:N/AChoke Size: 
Formation Name:ROLLINSCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:10/13/2004
Treatment Summary:STAGE 2: 11,678-11,772, 20-0.400" SHOTS, 1000 GAL 7.5% ACID, 4463 BBLS OF SLICKWATER, 191060 LBS OF 20-40 SAND
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 RLNS.
Perforation Data:
Interval Top:11678 ft.# Of Holes:20
Interval Bottom:11772 ft.Hole Size:0.4 in.

Formation WMFK                     Formation Classification:  GW                     Status:  SI - 5/1/2025                  Interval Top: 9486 ft.    Interval Bottom: 11632 ft.

 Completed Information for Formation WILLIAMS FORK
1st Production Date:N/AChoke Size: 
Formation Name:WILLIAMS FORKCommingled:No
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:10/13/2004
Treatment Summary:STAGE 3-8: 9,486-11,632, 138-0.430" SHOTS, 1750 GAL 15% HCL, 13,348 BBLS SLICKWATER, 642,579# 20-40 SAND DRILL OUT PLUGS TO 11,900'.
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:10/15/2004Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 600
BBLS_OIL 0
BTU_GAS 1170
CALC_BBLS_H2O 600
CALC_BBLS_OIL 0
CALC_GOR 0
CALC_MCF_GAS 2500
CASING_PRESS 2450
MCF_GAS 2500
TUBING_PRESS 1450
Perforation Data:
Interval Top:9486 ft.# Of Holes:138
Interval Bottom:11632 ft.Hole Size:0.43 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)29
GOR
GOR DeterminationMCFE
Average BOE per Day0.014
Average MCFE per Day0.081

 Federal Financial Assurance  i 

 Tribal Well  i No