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COGIS - WELL SCOUT CARD

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 Surface Location
 API# 05-123-30586
Well Classification: OW Status: PR - 4/1/2025
Well Name/No:LONGHORN B #3-36H
(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 #:8755.5
Facility Status:PRStatus Date4/1/2025
FacilityID:413065LocationID:414175
County:WELD #123Location:SESW 36 12N63W 6
Field:HEREFORD - #34200Elevation:5346 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:660FSL  2580 FWLLat/Long: 40.960497 / -104.381439Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.960483 / -104.381569Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 4/1/2025             Measured TD: 11480 ft.    Vertical TD: 7379 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 4/1/2025
Wellbore PermitHORIZONTAL
Permit #:20091917 Expiration Date:8/24/2010
Proposed Top PZ Location:Sec:36 Twp: 12N 63W Footage: 1558 FSL  2148 FWL
Bottom Hole Location:Sec:36 Twp: 12N 63W Footage: 608 FNL  764 FWL
Proposed Depth/Form:7348 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:STATESurface Owner:STATE
Unit: Unit Number: 
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: , Drill Unit:
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: , Depth: 60 ft., Weight: , Citings Type: PLANNED
Cement:Sacks: , Top: 0 ft., Bottom: 60 ft.
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: , Depth: 1410 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 435, Top: 0 ft., Bottom: 1410 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: , Depth: 7621 ft., Weight: 23 , Citings Type: PLANNED
Cement:Sacks: 630, Top: 0 ft., Bottom: 7621 ft.
Casing:String Type: 2ND, Hole Size: 6.25 in., Size: 4.5 in., Top: , Depth: 11551 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 470, Top: 6770 ft., Bottom: 11551 ft.

Wellbore Completed
Completion Date:6/29/2010
Spud Date:6/19/2010Spud Date Is:ACTUAL
Measured TD:11480 ft.Measured PB depth:7747 ft.
True Vertical TD:7379 ft.True Vertical PB depth:7357 ft.
Top PZ Location:Sec:36 Twp: 12N 63WFootage: 1558 FSL  2148 FWL
Bottom Hole Location:Sec:36 Twp: 12N 63WFootage: 608 FNL  764 FWL
Log Types:
Casing:String Type: CONDUCTOR, Hole Size: 20 in., Size: 16 in., Top: 0 ft., Depth: 60 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: , Top: 0 ft., Bottom: 60 ft., Determination Method:
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1460 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 600, Top: 0 ft., Bottom: 1450 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7790 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 882, Top: 0 ft., Bottom: 7790 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.25 in., Size: 4.5 in., Top: 6845 ft., Depth: 11475 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: , Top: , Bottom: , Determination Method:
FormationInterval TopLog BottomCoredDSTs
WHITE RIVER0 ft.
FOX HILLS897 ft.
PIERRE1122 ft.
SUSSEX3438 ft.
HYGIENE4345 ft.
NIOBRARA7270 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 4/1/2025                  Interval Top: 8016 ft.    Interval Bottom: 11402 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:9/3/2010Choke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:9/12/2010
Treatment Summary:616,613 gals treated water, 569,968 gals gelled water and 892,279# 20/40 sand and 575,856# 30/50 sand.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:9/2/2010Test Method:Flowing
Hours Tested:24Gas Type:SHALE
Gas Disposal:FLARED
Test TypeMeasure
BBLS_H2O 160
BBLS_OIL 267
CALC_GOR 569
CASING_PRESS 210
GRAVITY_OIL 31
MCF_GAS 152
Perforation Data:
Interval Top:8016 ft.# Of Holes:714
Interval Bottom:11402 ft.Hole Size:0.39 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)823
Total Gas Produced (MCF)1064
GOR1292
GOR DeterminationBOE
Average BOE per Day2.707
Average MCFE per Day15.693

 Federal Financial Assurance  i 

 Tribal Well  i No