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COGIS - WELL SCOUT CARD

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 Surface Location
 API# 05-123-29071
Well Classification: OW Status: PR - 5/1/2025
Well Name/No:STARKS #24-30
(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 Date5/1/2025
FacilityID:298441LocationID:336512
County:WELD #123Location:NESW 30 2N64W 6
Field:WATTENBERG - #90750Elevation:4921 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2115FSL  1980 FWLLat/Long: 40.108050 / -104.595620Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.108047 / -104.595604Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 5/1/2025             Measured TD: 7970 ft.    Vertical TD: 7761 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 5/1/2025
Wellbore PermitDIRECTIONAL
Permit #:20084664 Expiration Date:9/18/2009
Proposed Top PZ Location:Sec:30 Twp: 2N 64W Footage: 543 FSL  2026 FWL
Bottom Hole Location:Sec:30 Twp: 2N 64W Footage: 543 FSL  2026 FWL
Proposed Depth/Form:7982 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: CODL , Formation: CODELL , Order: 407-87 , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 232-23 , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 407-87 , Unit Acreage: 320, Drill Unit: W/2
Casing:String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 7277 ft., Weight: , Citings Type: PLANNED
Cement:Sacks: 670, Top: 4466 ft., Bottom: 7277 ft.

Wellbore Completed
Completion Date:2/19/2009
Spud Date:2/13/2009Spud Date Is:ACTUAL
Measured TD:7970 ft.Measured PB depth:7892 ft.
True Vertical TD:7761 ft.True Vertical PB depth:7683 ft.
Top PZ Location:Sec:30 Twp: 2N 64WFootage: 543 FSL  2026 FWL
Bottom Hole Location:Sec:30 Twp: 2N 64WFootage: 543 FSL  2026 FWL
Log Types:CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 982 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 475, Top: 0 ft., Bottom: 997 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7953 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 250, Top: 6250 ft., Bottom: 7953 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
NIOBRARA7040 ft.NN
CODELL7336 ft.NN
J SAND7784 ft.NN

Formation JSND                     Formation Classification:  OW                     Status:  PR - 5/1/2025                  Interval Top: 7790 ft.    Interval Bottom: 7824 ft.

 Completed Information for Formation J SAND
1st Production Date:N/AChoke Size: 
Formation Name:J SANDCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/25/2009
Treatment Summary:JSND COMPLETION. FRAC'D THE J SAND WITH 152,460 GAL 21# VISTAR HYBRID CROSS LINKED GEL CONTAINING 250,320# SAND. 02/25/2009.
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 JSND.
Perforation Data:
Interval Top:7790 ft.# Of Holes:44
Interval Bottom:7824 ft.Hole Size:0.42 in.

Formation CODL                     Formation Classification:  OW                     Status:  PR - 5/1/2025                  Interval Top: 7336 ft.    Interval Bottom: 7350 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/25/2009
Treatment Summary:CDL RECOMPLETION. SET CFP@7450'. 02/25/2009. FRAC'D THE CODELL WITH 109,032 GAL 24# VISTAR HYBRID CROSS LINKED GEL CONTAINING 250,800# 20/40 SAND. 02/25/09.
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 CODL.
Perforation Data:
Interval Top:7336 ft.# Of Holes:28
Interval Bottom:7350 ft.Hole Size:0.42 in.

Formation J-CDL                   Formation Classification:  OW                   Status:  CM - 3/15/2009                 Interval Top: 7336 ft.    Interval Bottom: 7824 ft.

 Completed Information for Formation J-CODELL
1st Production Date:N/AChoke Size: 
Formation Name:J-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/19/2009
Treatment Summary:JSND-CDL COMMINGLE. DRILLED UP CFP @ 7450' TO COMMIUNGLE THE JSND-CDL 03-10-2009.
Tubing Size:2.375 in.Tubing Setting Depth:7783 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/15/2009Test Method:FLOWING
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 83
BBLS_OIL 45
BTU_GAS 1155
CALC_BBLS_H2O 83
CALC_BBLS_OIL 45
CALC_GOR 5578
CALC_MCF_GAS 251
CASING_PRESS 1050
GRAVITY_OIL 45
MCF_GAS 251
TUBING_PRESS 360
Perforation Data:
Interval Top:7336 ft.# Of Holes:72
Interval Bottom:7824 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
December 2024 - November 2025i
Total Oil Produced (Barrels)160
Total Gas Produced (MCF)5503
GOR34393
GOR DeterminationMCFE
Average BOE per Day3.027
Average MCFE per Day17.534

 Federal Financial Assurance  i 

 Tribal Well  i No