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 Surface Location
 API# 05-123-50369		Well Classification: OW Status: PR - 5/8/2025
Well Name/No:Fox Creek 12-63 #25-2-2
(Click Well Name for Production Data)		Click Here for Transporter Gatherer Info
Operator:BISON IV OPERATING LLC - 10670
(Click Operator Name for Company Detail Report)		Federal Or State Lease #:
Facility Status:PRStatus Date5/8/2025
FacilityID:466598LocationID:466299
County:WELD #123Location:SWSE 25 12N63W 6
Field:HEREFORD - #34200Elevation:5399 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:931FSL  1485 FELLat/Long: 40.975923 / -104.377022Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.975923 / -104.377022Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 11/22/2024
End Date: 11/30/2024
Reported: 1/31/2025
Days to report: 62
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 5/8/2025             Measured TD: 18880 ft.    Vertical TD: 7612 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 5/8/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:9/21/2027
Proposed Top PZ Location:Sec:35 Twp: 12N 63W Footage: 348 FNL  365 FEL
Bottom Hole Location:Sec:2 Twp: 11N 63W Footage: 838 FSL  383 FEL
Proposed Depth/Form:19522 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: CARL , Formation: CARLILE , Order: 421-120 , Unit Acreage: 1280, Drill Unit: T12N R63W Sec 35: AL
Formation And Spacing:Code: CODL , Formation: CODELL , Order: 421-120 , Unit Acreage: 1280, Drill Unit: T12N R63W Sec 35 : A
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16.5 in., Top: 0 ft., Depth: 97 ft., Weight: 85 , Citings Type: PLANNED
Cement:Sacks: 78, Top: 0 ft., Bottom: 97 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1525 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 480, Top: 0 ft., Bottom: 1525 ft.
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 19522 ft., Weight: 20 , Citings Type: PLANNED
Cement:Sacks: 2119, Top: 1300 ft., Bottom: 19522 ft.
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 7100 ft., Depth: 17827 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 545, Top: 7100 ft., Bottom: 17827 ft.
Wellbore Completed
Completion Date:10/29/2024
Spud Date:1/29/2020Spud Date Is:ACTUAL
Measured TD:18880 ft.Measured PB depth:18821 ft.
True Vertical TD:7612 ft.True Vertical PB depth:7609 ft.
Top PZ Location:Sec:35 Twp: 12N 63WFootage: 348 FNL  365 FEL
Bottom Hole Location:Sec:2 Twp: 11N 63WFootage: 838 FSL  383 FEL
Log Types:
Log Types:MWD/LWD, CBL (RESISTIVITY in APIs 05-123-50374 and 05-123-50371)
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: 0 ft., Depth: 97 ft., Weight: 85 , Citings Type: ACTUAL
Cement:Sacks: 78, Top: 0 ft., Bottom: 97 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1525 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 480, Top: 0 ft., Bottom: 1525 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 18869 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 2640, Top: 300 ft., Bottom: 18869 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
FOX HILLS971 ft.969 ft.
PIERRE1372 ft.1369 ft.
PARKMAN4840 ft.4356 ft.
SUSSEX5904 ft.5196 ft.
SHANNON6844 ft.5941 ft.
SHARON SPRINGS8560 ft.7259 ft.
NIOBRARA8640 ft.7306 ft.
FORT HAYS9189 ft.7560 ft.
CODELL9285 ft.7587 ft.
CARLILE18657 ft.

Formation CARL                     Formation Classification:  OW                     Status:  PR - 5/12/2025                 Interval Top: 18657 ft.    Interval Bottom: 18718 ft.

 Completed Information for Formation CARLILE
1st Production Date:12/29/2024Choke Size: 
Formation Name:CARLILECommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:HYDRAULIC FRACTURING
Treatment Date:11/22/2024Treatment End Date:11/30/2024
Treatment Summary:18657-18718
Total fluid used in treatment (bbls):Max pressure during treatment (psi):
Total gas used in treatment (mcf):Fluid density (lbs/gal):
Type Of gas:Number Of staged intervals:
Total acid used in treatment (bbls):Min frac gradient (psi/ft):
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):Disposition method For flowback:
Total proppant used (lbs):Green completions techniques utilized:--
Reason green techniques Not utilized: 
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 CARL.
Perforation Data:
Interval Top:18657 ft.# Of Holes:1640
Interval Bottom:18718 ft.Hole Size:0.38 in.

Formation CD-CRL                 Formation Classification:  OW                 Status:  CM - 12/30/2024                Interval Top: 9396 ft.    Interval Bottom: 18718 ft.

 Completed Information for Formation CODELL-CARLILE
1st Production Date:12/29/2024Choke Size: 
Formation Name:CODELL-CARLILECommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:HYDRAULIC FRACTURING
Treatment Date:11/22/2024Treatment End Date:11/30/2024
Treatment Summary:63 STAGE PLUG AND PERF: 3,809,930 LBS 40/70 WHITE SAND, 8,016,470 LBS 40/140 WHITE SAND, 5,086,269 LBS 100# MESH, 12 BBLS 15% HCL ACID, AND 346,937 BBLS SLICKWATER.
Total fluid used in treatment (bbls):346949Max pressure during treatment (psi):9265
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:63
Total acid used in treatment (bbls):12Min frac gradient (psi/ft):0.78
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):346937Disposition method For flowback:
Total proppant used (lbs):16912669Green completions techniques utilized:--
Reason green techniques Not utilized: 
Tubing Size:2.875 in.Tubing Setting Depth:8741 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:12/30/2024Test Method:FLOWING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 13839
BBLS_OIL 277
BTU_GAS 1469
CALC_BBLS_H2O 13839
CALC_BBLS_OIL 277
CALC_GOR 794
CALC_MCF_GAS 220
CASING_PRESS 590
GRAVITY_OIL 34
MCF_GAS 220
TUBING_PRESS 1240
Perforation Data:
Interval Top:9396 ft.# Of Holes:1640
Interval Bottom:18718 ft.Hole Size:0.38 in.

Formation CODL                     Formation Classification:  OW                     Status:  PR - 5/8/2025                  Interval Top: 9369 ft.    Interval Bottom: 18656 ft.

 Completed Information for Formation CODELL
1st Production Date:12/29/2024Choke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:HYDRAULIC FRACTURING
Treatment Date:11/22/2024Treatment End Date:11/30/2024
Treatment Summary:9369-18656
Total fluid used in treatment (bbls):Max pressure during treatment (psi):
Total gas used in treatment (mcf):Fluid density (lbs/gal):
Type Of gas:Number Of staged intervals:
Total acid used in treatment (bbls):Min frac gradient (psi/ft):
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):Disposition method For flowback:
Total proppant used (lbs):Green completions techniques utilized:--
Reason green techniques Not utilized: 
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:N/ATest Method:
Hours Tested:Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 13839
BBLS_OIL 277
BTU_GAS 1469
CALC_BBLS_H2O 13839
CALC_BBLS_OIL 277
CALC_GOR 794
CALC_MCF_GAS 220
CASING_PRESS 590
GRAVITY_OIL 34
MCF_GAS 220
TUBING_PRESS 1240
Perforation Data:
Interval Top:9369 ft.# Of Holes:1640
Interval Bottom:18656 ft.Hole Size:0.38 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
September 2024 - August 2025i
Total Oil Produced (Barrels)89252
Total Gas Produced (MCF)79993
GOR896
GOR DeterminationBOE
Average BOE per Day303.835
Average MCFE per Day1762.234

 Federal Financial Assurance  i 

 Tribal Well  i No