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 Surface Location
 API# 05-123-36017
Well Classification: OW Status: SI - 7/1/2025
Well Name/No:VONDERLAGE FED #28N-W31HZ
(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 Date7/1/2025
FacilityID:430039LocationID:430041
County:WELD #123Location:SESW 31 3N66W 6
Field:WATTENBERG - #90750Elevation:4843 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:491FSL  1800 FWLLat/Long: 40.175335 / -104.823057Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.175331 / -104.823060Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 11/16/2013
End Date: 11/17/2013
Reported: 1/7/2014
Days to report: 51
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 7/1/2025             Measured TD: 11611 ft.    Vertical TD: 7096 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 7/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:8/21/2014
Proposed Top PZ Location:Sec:31 Twp: 3N 66W Footage: 728 FSL  2366 FWL
Bottom Hole Location:Sec:31 Twp: 3N 66W Footage: 508 FNL  2342 FWL
Proposed Depth/Form:11610 ft.
Surface Mineral Owner Same:No
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: 850 ft., Weight: 36.0 , Citings Type: PLANNED
Cement:Sacks: 630, Top: 0 ft., Bottom: 850 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7488 ft., Weight: 26.0 , Citings Type: PLANNED
Cement:Sacks: 740, Top: 0 ft., Bottom: 7488 ft.
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6439 ft., Depth: 11610 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:8/16/2013
Spud Date:6/4/2013Spud Date Is:ACTUAL
Measured TD:11611 ft.Measured PB depth:11587 ft.
True Vertical TD:7096 ft.True Vertical PB depth:7094 ft.
Top PZ Location:Sec:31 Twp: 3N 66WFootage: 728 FSL  2366 FWL
Bottom Hole Location:Sec:31 Twp: 3N 66WFootage: 508 FNL  2342 FWL
Log Types:CBL, GR, RES, MUD
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 861 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 311, Top: 0 ft., Bottom: 861 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7626 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 765, Top: 35 ft., Bottom: 7626 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6572 ft., Depth: 11596 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: , Top: , Bottom: , Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS7156 ft.
NIOBRARA7353 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 7/1/2025                  Interval Top: 7667 ft.    Interval Bottom: 11611 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:11/24/2013Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:11/16/2013Treatment End Date:11/17/2013
Treatment Summary:COMPLETED THROUGH AN OPEN HOLE LINER FROM 7667-11611. 6168 BBL CROSSLINK GEL,1200 BBL LINEAR GEL,66905 BBL SLICKWATER,74272 BBL TOTAL FLUID. 190944# 30/50 OTTAWA/ST. PETERS SAND,1768245# 40/70 OTTAWA/ST. PETERS SAND,1959189# TOTAL SAND.
Total fluid used in treatment (bbls):74272Max pressure during treatment (psi):6105
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.30
Type Of gas:Number Of staged intervals:32
Total acid used in treatment (bbls):0Min frac gradient (psi/ft):0.92
Recycled water used in treatment (bbls):2969Total flowback volume recovered (bbls):5140
Fresh water used in treatment (bbls):71303Disposition method For flowback:RECYCLE
Total proppant used (lbs):1959189Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:7099 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:12/3/2013Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 75
BBLS_OIL 347
BTU_GAS 1264
CALC_BBLS_H2O 75
CALC_BBLS_OIL 347
CALC_GOR 2020
CALC_MCF_GAS 701
CASING_PRESS 2194
GRAVITY_OIL 49
MCF_GAS 701
TUBING_PRESS 1838
Perforation Data:
Interval Top:7667 ft.# Of Holes:0
Interval Bottom:11611 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
December 2024 - November 2025i
Total Oil Produced (Barrels)773
Total Gas Produced (MCF)17167
GOR22208
GOR DeterminationMCFE
Average BOE per Day10.169
Average MCFE per Day58.978

 Federal Financial Assurance  i 

 Tribal Well  i No