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 Surface Location
 API# 05-123-34194
Well Classification: OW Status: SI - 12/1/2025
Well Name/No:COLFER #13N-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:SIStatus Date12/1/2025
FacilityID:424841LocationID:424835
County:WELD #123Location:NWNW 34 2N65W 6
Field:WATTENBERG - #90750Elevation:4942 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:480FNL  556 FWLLat/Long: 40.100997 / -104.657266Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.101006 / -104.657272Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 2/24/2012
End Date: 2/24/2012
Reported: 6/4/2012
Prior to rule 205A.b.(2)(A)
Days to report: 101
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 12/1/2025             Measured TD: 11496 ft.    Vertical TD: 7043 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:8/18/2013
Proposed Top PZ Location:Sec:34 Twp: 2N 65W Footage: 625 FNL  510 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65W Footage: 460 FSL  510 FWL
Proposed Depth/Form:11561 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 407 , Unit Acreage: 160, Drill Unit: W/2W/2
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1710 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 390, Top: 0 ft., Bottom: 1710 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7387 ft., Weight: 26 , Citings Type: PLANNED
Cement:Sacks: 670, Top: , Bottom: 7387 ft.
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11561 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: 6336 ft., Bottom: 11561 ft.

Wellbore Completed
Completion Date:12/17/2011
Spud Date:11/30/2011Spud Date Is:ACTUAL
Measured TD:11496 ft.Measured PB depth:11496 ft.
True Vertical TD:7043 ft.True Vertical PB depth:7043 ft.
Top PZ Location:Sec:34 Twp: 2N 65WFootage: 792 FNL  551 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65WFootage: 472 FSL  512 FWL
Log Types:MUD, LWD, OH, FMI, CBL
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 2024 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 1280, Top: 313 ft., Bottom: 2024 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7491 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 629, Top: 730 ft., Bottom: 7491 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 8.75 in., Size: 4.5 in., Top: 0 ft., Depth: 6268 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 11486, Top: , Bottom: , Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS7009 ft.
NIOBRARA7088 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 12/1/2025                 Interval Top: 7542 ft.    Interval Bottom: 11417 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:3/9/2012Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Date:2/24/2012
Treatment Summary:FRAC'D THROUGH OPEN HOLE LINER 7542-11417. AVERAGE TREATING PRESSURE 5106, AVERAGE RATE 55.8, TOTAL BBLS OF FLUID 65048, TOTAL WEIGHT OF SAND 3127259.
Tubing Size:2.375 in.Tubing Setting Depth:6888 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/31/2012Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_OIL 10
BTU_GAS 1305
CALC_BBLS_OIL 10
CALC_GOR 10000
CALC_MCF_GAS 100
CASING_PRESS 1919
GRAVITY_OIL 44
MCF_GAS 100
TUBING_PRESS 972
Perforation Data:
Interval Top:7542 ft.# Of Holes:
Interval Bottom:11417 ft.Hole Size:
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)3486
Total Gas Produced (MCF)11568
GOR3318
GOR DeterminationBOE
Average BOE per Day15.010
Average MCFE per Day87.059

 Federal Financial Assurance  i 

 Tribal Well  i No