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 Surface Location
 API# 05-123-45842
Well Classification: OW Status: PR - 3/1/2020
Well Name/No:Castor 8-59 #19-24-12
(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 Date3/1/2020
FacilityID:452981LocationID:452871
County:WELD #123Location:NESE 19 8N59W 6
Field:DJ HORIZONTAL NIOBRARA - #16950Elevation:4860 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1533FSL  410 FELLat/Long: 40.644716 / -104.011988Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.644714 / -104.011991Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 12/18/2017
End Date: 1/4/2018
Reported: 3/16/2018
Days to report: 71
Disclosure: Sidetrack #00
Start Date: 12/18/2017
End Date: 1/5/2018
Reported: 3/16/2018
Days to report: 70
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 3/1/2020             Measured TD: 13428 ft.    Vertical TD: 6210 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 3/1/2020
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:11/8/2019
Proposed Top PZ Location:Sec:19 Twp: 8N 59W Footage: 1836 FSL  600 FEL
Bottom Hole Location:Sec:24 Twp: 8N 60W Footage: 1836 FSL  2126 FEL
Proposed Depth/Form:13691 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 535-872 , Unit Acreage: 960, Drill Unit: 24:E/2, 19:ALL
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 100 ft., Weight: 43 , Citings Type: PLANNED
Cement:Sacks: 50, Top: 0 ft., Bottom: 100 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1850 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 650, Top: 0 ft., Bottom: 1850 ft.
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 13691 ft., Weight: 20 , Citings Type: PLANNED
Cement:Sacks: 1860, Top: 0 ft., Bottom: 13691 ft.

Wellbore Completed
Completion Date:12/12/2017
Spud Date:12/7/2017Spud Date Is:ACTUAL
Measured TD:13428 ft.Measured PB depth:13374 ft.
True Vertical TD:6210 ft.True Vertical PB depth:6208 ft.
Top PZ Location:Sec:19 Twp: 8N 59WFootage: 1836 FSL  600 FEL
Bottom Hole Location:Sec:24 Twp: 8N 60WFootage: 1836 FSL  2126 FEL
Log Types:MWD/LWD, CBL, Mud, (Resistivity in API 05-123-45855)
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 103 ft., Weight: 43 , Citings Type: ACTUAL
Cement:Sacks: 270, Top: 0 ft., Bottom: 103 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1930 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 682, Top: 0 ft., Bottom: 1930 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 13420 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 1890, Top: 0 ft., Bottom: 13420 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3182 ft.3642 ft.N
SUSSEX3845 ft.3945 ft.N
SHANNON4710 ft.4910 ft.N
SHARON SPRINGS5955 ft.6079 ft.N
NIOBRARA6079 ft.N

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 3/1/2020                  Interval Top: 6550 ft.    Interval Bottom: 13275 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:2/14/2018Choke Size:32.000 in.
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:
Tubing Size:2.375 in.Tubing Setting Depth:6277 ft.
Tubing Packer Depth:6271 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:2/14/2018Test Method:Flowing
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 1033
BBLS_OIL 303
BTU_GAS 1600
CALC_BBLS_H2O 1033
CALC_BBLS_OIL 303
CALC_GOR 1
CALC_MCF_GAS 216
GRAVITY_OIL 36
MCF_GAS 216
TUBING_PRESS 315
Perforation Data:
Interval Top:6550 ft.# Of Holes:1128
Interval Bottom:13275 ft.Hole Size:0.34 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)6721
Total Gas Produced (MCF)26216
GOR3900
GOR DeterminationBOE
Average BOE per Day30.879
Average MCFE per Day179.116

 Federal Financial Assurance  i 

 Tribal Well  i No