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 Surface Location
 API# 05-123-44711
Well Classification: OW Status: PR - 11/1/2024
Well Name/No:Critter Creek #278-1527H
(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 Date11/1/2024
FacilityID:450222LocationID:444164
County:WELD #123Location:SWSE 15 11N63W 6
Field:DJ HORIZONTAL NIOBRARA - #16950Elevation:5228 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:279FSL  1690 FELLat/Long: 40.915953 / -104.415617Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.915953 / -104.415619Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 7/23/2017
End Date: 8/15/2017
Reported: 9/20/2017
Days to report: 36
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 11/1/2024             Measured TD: 17844 ft.    Vertical TD: 7240 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 11/1/2024
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:5/3/2019
Proposed Top PZ Location:Sec:22 Twp: 11N 63W Footage: 419 FNL  1609 FEL
Bottom Hole Location:Sec:27 Twp: 11N 63W Footage: 300 FSL  1663 FEL
Proposed Depth/Form:17846 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 421-86 , Unit Acreage: 1280, Drill Unit: Sec 22 & Sec 27: All
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: 0 ft., Depth: 60 ft., Weight: 42 , Citings Type: PLANNED
Cement:Sacks: 50, Top: 0 ft., Bottom: 60 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1500 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 386, Top: 0 ft., Bottom: 1500 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 5.5 in., Top: 0 ft., Depth: 17846 ft., Weight: 17 , Citings Type: PLANNED
Cement:Sacks: 2500, Top: 0 ft., Bottom: 17846 ft.

Wellbore Completed
Completion Date:7/15/2017
Spud Date:5/17/2017Spud Date Is:ACTUAL
Measured TD:17844 ft.Measured PB depth:17789 ft.
True Vertical TD:7240 ft.True Vertical PB depth:7240 ft.
Top PZ Location:Sec:22 Twp: 11N 63WFootage: 419 FNL  1609 FEL
Bottom Hole Location:Sec:27 Twp: 11N 63WFootage: 300 FSL  1663 FEL
Log Types:MWD, Mud, CBL
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: 0 ft., Depth: 60 ft., Weight: 42 , Citings Type: ACTUAL
Cement:Sacks: 50, Top: 0 ft., Bottom: 60 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1524 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 591, Top: 0 ft., Bottom: 1524 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 5.5 in., Top: 0 ft., Depth: 17834 ft., Weight: 17 , Citings Type: ACTUAL
Cement:Sacks: 2595, Top: 170 ft., Bottom: 17844 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PIERRE A3212 ft.NN
PARKMAN4018 ft.NN
SHARON SPRINGS7061 ft.
NIOBRARA7267 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 11/1/2024                 Interval Top: 7991 ft.    Interval Bottom: 17671 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:8/31/2017Choke Size:92.000 in.
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:7/24/2017Treatment End Date:8/14/2017
Treatment Summary:15,628,513 40/70, 5,243 bbl 7.5% HCL, 437,733 bbl water
Total fluid used in treatment (bbls):442976Max pressure during treatment (psi):8977
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:82
Total acid used in treatment (bbls):5243Min frac gradient (psi/ft):90.70
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):3503
Fresh water used in treatment (bbls):437733Disposition method For flowback:DISPOSAL
Total proppant used (lbs):15628513Green completions techniques utilized:Yes
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:9/12/2017Test Method:
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 2254
BBLS_OIL 1191
BTU_GAS 1600
CALC_BBLS_H2O 2254
CALC_BBLS_OIL 3445
CALC_GOR 716
CALC_MCF_GAS 853
CASING_PRESS 384
GRAVITY_OIL 36
MCF_GAS 853
TUBING_PRESS 1238
Perforation Data:
Interval Top:7991 ft.# Of Holes:1491
Interval Bottom:17671 ft.Hole Size:0.42 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
October 2024 - September 2025i
Total Oil Produced (Barrels)6570
Total Gas Produced (MCF)10859
GOR1652
GOR DeterminationBOE
Average BOE per Day23.030
Average MCFE per Day133.577

 Federal Financial Assurance  i 

 Tribal Well  i No