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 Surface Location
 API# 05-123-35691
Well Classification: OW Status: PR - 11/1/2025
Well Name/No:FLANIGAN #2B-6H
(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 Date11/1/2025
FacilityID:429107LocationID:429105
Municipality/County:HUDSON / WELD #123Location:NWNW 6 1N64W 6
Field:WATTENBERG - #90750Elevation:4936 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:266FNL  927 FWLLat/Long: 40.086740 / -104.599360Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.086762 / -104.599388Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 9/30/2012
End Date: 9/30/2012
Reported: 11/7/2012
Days to report: 38
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 11/1/2025             Measured TD: 11495 ft.    Vertical TD: 7067 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 11/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:5/30/2014
Proposed Top PZ Location:Sec:6 Twp: 1N 64W Footage: 646 FNL  1487 FWL
Bottom Hole Location:Sec:6 Twp: 1N 64W Footage: 472 FSL  1480 FWL
Proposed Depth/Form:11542 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: GWA
Casing:String Type: CONDUCTOR, Hole Size: 22 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 30 , Citings Type: PLANNED
Cement:Sacks: 80, Top: 0 ft., Bottom: 80 ft.
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1020 ft., Weight: 40 , Citings Type: PLANNED
Cement:Sacks: 198, Top: 0 ft., Bottom: 1020 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7396 ft., Weight: 26 , Citings Type: PLANNED
Cement:Sacks: 903, Top: 500 ft., Bottom: 7396 ft.
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11542 ft., Weight: 13.5 , Citings Type: PLANNED
Cement:Sacks: 366, Top: 7096 ft., Bottom: 11542 ft.

Wellbore Completed
Completion Date:8/8/2012
Spud Date:8/2/2012Spud Date Is:ACTUAL
Measured TD:11495 ft.Measured PB depth:11435 ft.
True Vertical TD:7067 ft.True Vertical PB depth:7065 ft.
Top PZ Location:Sec:6 Twp: 1N 64WFootage: 646 FNL  1487 FWL
Bottom Hole Location:Sec:6 Twp: 1N 64WFootage: 472 FSL  1480 FWL
Log Types:Isolation Scanner Cement Evaluation Log
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1045 ft., Weight: 40 , Citings Type: ACTUAL
Cement:Sacks: 362, Top: 0 ft., Bottom: 1045 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7410 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 590, Top: 1050 ft., Bottom: 7410 ft., Determination Method: CBL
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11479 ft., Weight: 13.5 , Citings Type: ACTUAL
Cement:Sacks: 300, Top: 6450 ft., Bottom: 11479 ft., Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SUSSEX4356 ft.
SHANNON4929 ft.
SHARON SPRINGS6833 ft.
NIOBRARA6857 ft.
TEEPEE BUTTES6873 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 11/1/2025                 Interval Top: 7496 ft.    Interval Bottom: 11475 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:11/19/2012Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:
Tubing Size:2.375 in.Tubing Setting Depth:7230 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:11/19/2012Test Method:FLOWING
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 476
BBLS_OIL 28
BTU_GAS 1408
CALC_BBLS_H2O 476
CALC_BBLS_OIL 28
CALC_GOR 1714
CALC_MCF_GAS 48
CASING_PRESS 1685
GRAVITY_OIL 43
MCF_GAS 48
TUBING_PRESS 743
Perforation Data:
Interval Top:7496 ft.# Of Holes:727
Interval Bottom:11475 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
December 2024 - November 2025i
Total Oil Produced (Barrels)674
Total Gas Produced (MCF)685
GOR1016
GOR DeterminationBOE
Average BOE per Day2.134
Average MCFE per Day12.363

 Federal Financial Assurance  i 

 Tribal Well  i No