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 Surface Location
 API# 05-123-34192
Well Classification: OW Status: SI - 4/1/2022
Well Name/No:COLFER #35N-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 Date4/1/2022
FacilityID:424836LocationID:424835
County:WELD #123Location:NWNW 34 2N65W 6
Field:WATTENBERG - #90750Elevation:4945 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:480FNL  604 FWLLat/Long: 40.100997 / -104.657094Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.100996 / -104.657099Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 2/27/2012
End Date: 2/27/2012
Reported: 5/25/2012
Prior to rule 205A.b.(2)(A)
Days to report: 88
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 4/1/2022             Measured TD: 11687 ft.    Vertical TD: 7096 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 4/1/2022
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:8/18/2013
Proposed Top PZ Location:Sec:34 Twp: 2N 65W Footage: 625 FNL  1300 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65W Footage: 460 FSL  1300 FWL
Proposed Depth/Form:11627 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: 320, Drill Unit: W/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: 7430 ft., Weight: 26 , Citings Type: PLANNED
Cement:Sacks: 670, Top: , Bottom: 7430 ft.
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11627 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: 6379 ft., Bottom: 11627 ft.

Wellbore Completed
Completion Date:1/19/2012
Spud Date:1/7/2012Spud Date Is:ACTUAL
Measured TD:11687 ft.Measured PB depth:11687 ft.
True Vertical TD:7096 ft.True Vertical PB depth:7096 ft.
Top PZ Location:Sec:34 Twp: 2N 65Footage: 605 FNL  1309 FWL
Bottom Hole Location:Sec:34 Twp: 2N 65WFootage: 467 FSL  1225 FWL
Log Types:MUD, LWD, CBL
Casing:String Type: SURF, Hole Size: 13.2 in., Size: 9.625 in., Top: 0 ft., Depth: 1741 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 1290, Top: 0 ft., Bottom: 1741 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7475 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 623, Top: 2495 ft., Bottom: 7475 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6524 ft., Depth: 11677 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: , Top: , Bottom: , Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS6994 ft.
NIOBRARA7047 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 4/1/2022                  Interval Top: 7518 ft.    Interval Bottom: 11609 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:3/13/2012Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Date:2/28/2012
Treatment Summary:FRAC'D THROUGH AN OPEN HOLE LINER FROM 7518-11609. AVERAGE TREATING PRESSURE 5375, AVERAGE RATE 55.7, TOTAL BBLS OF FLUID 70918, TOTAL WEIGHT OF SAND 3182580.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/16/2012Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_OIL 198
BTU_GAS 1305
CALC_BBLS_OIL 198
CALC_GOR 1354
CALC_MCF_GAS 268
CASING_PRESS 1753
GRAVITY_OIL 45
MCF_GAS 268
TUBING_PRESS 1330
Perforation Data:
Interval Top:7518 ft.# Of Holes:
Interval Bottom:11609 ft.Hole Size:
Primary Well Designation:
Out Of Service      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceYPlugging Due Date
04/30/2028
Inactive ExceptionN 
Noticed InactiveYNoticed Date
01/24/2024
Defined Inactive (SI)YLast Production
03/31/2022
Low ProducingYProduction Period
01/2025 - 12/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
January 2025 - December 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