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COGIS - WELL SCOUT CARD
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 Surface Location
 API# 05-069-06232		Well Classification: OW Status: PR - 4/1/2021
Well Name/No:CLARKS LAKE MUDDY UNIT #15-2
(Click Well Name for Production Data)		Click Here for Transporter Gatherer Info
Operator:BLACKROCK ENERGY CORP - 10746
(Click Operator Name for Company Detail Report)		Federal Or State Lease #:
Facility Status:PRStatus Date4/1/2021
FacilityID:217045LocationID:307169
County:LARIMER #069Location:NWSE 15 9N68W 6
Field:CLARKS LAKE - #11300Elevation:5296 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1650FSL  1650 FELLat/Long: 40.745079 / -104.987191Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.745069 / -104.987163Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 4/1/2021             Measured TD: 6347 ft.    Vertical TD: 6347 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 4/1/2021
Wellbore Permit
Permit #:19841562 Expiration Date:2/27/1985
Proposed Depth/Form:6500 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:Not available
Unit: Unit Number: 
Formation And Spacing:Code: MDDYJ , Formation: MUDDY J , Order: , Unit Acreage: 20, Drill Unit:
Wellbore Completed
Completion Date:3/2/1985
Spud Date:1/11/1985Spud Date Is:ACTUAL
Measured TD:6347 ft.Measured PB depth:6100 ft.
True Vertical TD:6347 ft.True Vertical PB depth:
Log Types:DIL-GR, DSN-CDEN-GR-CAL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 600 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 320, Top: 0 ft., Bottom: , Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 6346 ft., Weight: 15.5 , Citings Type: ACTUAL
Cement:Sacks: 495, Top: 0 ft., Bottom: , Determination Method:
FormationInterval TopLog BottomCoredDSTs
NIOBRARA5096 ft.
FORT HAYS5374 ft.
CODELL5394 ft.
CARLILE5406 ft.
J SAND5913 ft.
SKULL CREEK6010 ft.
DAKOTA6138 ft.
MORRISON6272 ft.

Formation JSND                     Formation Classification:  OW                     Status:  PR - 4/1/2021                  Interval Top: 5914 ft.    Interval Bottom: 5960 ft.

 Completed Information for Formation J SAND
1st Production Date:2/12/1985Choke Size: 
Formation Name:J SANDCommingled:No
Production Method:PUMPING
Open Hole Completion:
Formation Treatment
Treatment Date:3/2/1985
Treatment Summary:5914-5960'01000 GAL MUD FLUSH FRAC W/66, 700 GAL GELLED WTR & 138,000# 20/40 SAND.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/2/1985Test Method:PUMPING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 90
BBLS_OIL 72
GRAVITY_OIL 37
Perforation Data:
Interval Top:5914 ft.# Of Holes:185
Interval Bottom:5960 ft.Hole Size:0.49 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)1445
Total Gas Produced (MCF)3048
GOR2109
GOR DeterminationBOE
Average BOE per Day5.400
Average MCFE per Day31.317

 Federal Financial Assurance  i 

 Tribal Well  i No