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 Surface Location
 API# 05-123-35983
Well Classification: GW Status: PR - 7/1/2021
Well Name/No:COLFER #36N-34HZ
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:KERR MCGEE OIL & GAS ONSHORE LP - 47120
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:PRStatus Date7/1/2021
FacilityID:429965LocationID:429967
County:WELD #123Location:NENW 34 2N65W 6
Field:WATTENBERG - #90750Elevation:4964 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:231FNL  2473 FWLLat/Long: 40.101655 / -104.650414Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.101658 / -104.650405Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 4/26/2013
End Date: 4/30/2013
Reported: 6/18/2013
Days to report: 49
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: PR - 7/1/2021             Measured TD: 11617 ft.    Vertical TD: 7058 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        PR - 7/1/2021
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:8/16/2014
Proposed Top PZ Location:Sec:34 Twp: 2N 65W Footage: 634 FNL  2298 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65W Footage: 460 FSL  2637 FWL
Proposed Depth/Form:11603 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 320, Drill Unit: GWA
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1730 ft., Weight: 36.0 , Citings Type: PLANNED
Cement:Sacks: 420, Top: 0 ft., Bottom: 1730 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7384 ft., Weight: 26.0 , Citings Type: PLANNED
Cement:Sacks: 650, Top: 0 ft., Bottom: 7384 ft.
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6362 ft., Depth: 11603 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:2/19/2013
Spud Date:1/20/2013Spud Date Is:ACTUAL
Measured TD:11617 ft.Measured PB depth:11593 ft.
True Vertical TD:7058 ft.True Vertical PB depth:7060 ft.
Top PZ Location:Sec:34 Twp: 2N 65WFootage: 736 FNL  2655 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65WFootage: 484 FSL  2612 FEL
Log Types:PRE FORM 5
Log Types:GR/GR/MUD
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1745 ft., Weight: 36.0 , Citings Type: ACTUAL
Cement:Sacks: 545, Top: 0 ft., Bottom: 1745 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7524 ft., Weight: 26.0 , Citings Type: ACTUAL
Cement:Sacks: 728, Top: 375 ft., Bottom: 7524 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6478 ft., Depth: 11602 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: , Top: , Bottom: , Determination Method:
Additional Cement:String Type: SURF , Top: 0 ft., Depth: , Bottom: 15 ft., Sacks: 1746, Method:
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS6998 ft.
NIOBRARA7059 ft.

Formation NBRR                     Formation Classification:  GW                     Status:  PR - 7/1/2021                  Interval Top: 7562 ft.    Interval Bottom: 11617 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:5/6/2013Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:4/26/2013Treatment End Date:4/30/2013
Treatment Summary:COMPLETED THROUGH AN OPEN HOLE LINER FROM 7562-11617. 33409 BBL CROSSLINK GEL, 900 BBL LINEAR GEL, 38234 BBL SLICKWATER, 72543 BBL TOTAL FLUID. 1008463# 40/70 SAND, 2301491# 30/50 SAND, 177103# 20/40 SAND, 3487057# TOTAL SAND.
Total fluid used in treatment (bbls):72543Max pressure during treatment (psi):7065
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.30
Type Of gas:Number Of staged intervals:20
Total acid used in treatment (bbls):0Min frac gradient (psi/ft):1.02
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):3782
Fresh water used in treatment (bbls):0Disposition method For flowback:DISPOSAL
Total proppant used (lbs):3487057Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:6962 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:5/27/2013Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 676
BBLS_OIL 270
BTU_GAS 1332
CALC_BBLS_H2O 676
CALC_BBLS_OIL 270
CALC_GOR 1204
CALC_MCF_GAS 325
CASING_PRESS 1786
GRAVITY_OIL 44
MCF_GAS 325
TUBING_PRESS 1067
Perforation Data:
Interval Top:7562 ft.# Of Holes:0
Interval Bottom:11617 ft.Hole Size:0 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
January 2025 - December 2025i
Total Oil Produced (Barrels)938
Total Gas Produced (MCF)20701
GOR22069
GOR DeterminationMCFE
Average BOE per Day12.353
Average MCFE per Day71.650

 Federal Financial Assurance  i 

 Tribal Well  i No