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 Surface Location
 API# 05-069-06259		Well Classification: ERIW Status: IJ - 9/9/2014
Well Name/No:CLARKS LAKE MUDDY SAND UNIT #15-64
(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 #:25783
Facility Status:IJStatus Date9/9/2014
FacilityID:217072LocationID:307177
County:LARIMER #069Location:SWNE 15 9N68W 6
Field:CLARKS LAKE - #11300Elevation:5298 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2320FNL  1650 FELLat/Long: 40.748759 / -104.987171Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.748721 / -104.987124Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: DSPW             Status: IJ - 9/9/2014             Measured TD: 6140 ft.    Vertical TD: 6140 ft.

 Wellbore Data for Original WellboreWellbore Classification: DSPW        IJ - 9/9/2014
Wellbore Permit
Permit #:850632 Expiration Date:9/19/1985
Proposed Depth/Form:
Surface Mineral Owner Same:Not available
Mineral Owner:FEESurface Owner:Not available
Unit: Unit Number: 
Formation And Spacing:Code: MDDY , Formation: MUDDY , Order: 0 , Unit Acreage: 0, Drill Unit:
Wellbore Completed
Completion Date:7/25/1985
Measured TD:6140 ft.Measured PB depth:6094 ft.
True Vertical TD:6140 ft.True Vertical PB depth:
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 614 ft., Weight: , Citings Type: HISTORICAL
Cement:Sacks: 0, Top: 0 ft., Bottom: , Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 6140 ft., Weight: , Citings Type: HISTORICAL
Cement:Sacks: 0, Top: 0 ft., Bottom: , Determination Method:
FormationInterval TopLog BottomCoredDSTs
NIOBRARA5076 ft.
FORT HAYS5404 ft.
CODELL5423 ft.
CARLILE5444 ft.
BENTONITE5692 ft.
SKULL CREEK6062 ft.
MUDDY6923 ft.

Formation MDDY                     Formation Classification:  ERIW                     Status:  IJ - 9/9/2014                  Interval Top: 5933 ft.    Interval Bottom: 5992 ft.

 Completed Information for Formation MUDDY
1st Production Date:8/1/1985Choke Size:0.000 in.
Formation Name:MUDDYCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Type:
Treatment Date:8/9/2014Treatment End Date:N/A
Treatment Summary:1500 GALS 7.5% ACID WITH SURFACTANTS - DROP 28 BALLS - 14 HOLES. FRAC 60,000 GALSGELLED H20 @ 140,000 #20-40 SAND. DRILLED OUT CEMENT BLOCK SQUEEZE & CIBP @ 5870 8/28/2014 AND 8/9/2014. RAN TUBING AND PACKER AT5890 ON 9/3/2014, MIT TENT ON ANNULUS, PRESSURE TO 1000. PRESSURE AFTER 15 MINUTES 980 PSI. WITNESSED BY JEFF PICKARD COGCC FIELD REP.
Total fluid used in treatment (bbls):Max pressure during treatment (psi):
Total gas used in treatment (mcf):Fluid density (lbs/gal):
Type Of gas:Number Of staged intervals:
Total acid used in treatment (bbls):Min frac gradient (psi/ft):
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):Disposition method For flowback:
Total proppant used (lbs):Green completions techniques utilized:--
Reason green techniques Not utilized: 
Formation Treatment
Treatment Date:6/17/2009
Treatment Summary:1500Gals. 7.5% Acid with surfactants - dropped 28 balls 7-11-85: Fracced with 60.000 Gals. gelled H20 & 140,000# 20-40 Sand - 2#/Gal. Sand to 6#/Gal. Sand
Tubing Size:Tubing Setting Depth:5890 ft.
Tubing Packer Depth:5890 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
No Initial Test Data was found for formation MDDY.
Perforation Data:
Interval Top:5933 ft.# Of Holes:14
Interval Bottom:5992 ft.Hole Size:0.32 in.

Formation MDDYJ                   Formation Classification:                     Status:  CM - 9/9/2014

 Completed Information for Formation MUDDY J
1st Production Date:8/1/1985Choke Size: 
Formation Name:MUDDY JCommingled:
Production Method:
Open Hole Completion:
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 MDDYJ.
No Perforation Data was found for formation MDDYJ.
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)0
Total Gas Produced (MCF)0
GOR
GOR Determination 
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No