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 Surface Location
 API# 05-123-39889
Well Classification: OW Status: SI - 12/1/2025
Well Name/No:Antelope #A11-E14-15HNC
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:BONANZA CREEK ENERGY OPERATING COMPANY LLC - 8960
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:SIStatus Date12/1/2025
FacilityID:438129LocationID:429977
County:WELD #123Location:NWNW 15 5N62W 6
Field:WATTENBERG - #90750Elevation:4698 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:362FNL  1093 FWLLat/Long: 40.406230 / -104.314950Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.406230 / -104.314950Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 9/26/2014
End Date: 9/27/2014
Reported: 11/12/2014
Days to report: 46
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 12/1/2025             Measured TD: 11045 ft.    Vertical TD: 6407 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:7/14/2016
Proposed Top PZ Location:Sec:15 Twp: 5N 62W Footage: 745 FNL  458 FWL
Bottom Hole Location:Sec:15 Twp: 5N 62W Footage: 470 FSL  495 FWL
Proposed Depth/Form:11039 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: 410 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 200, Top: 0 ft., Bottom: 410 ft.
Casing:String Type: 3RD, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 6717 ft., Weight: 26 , Citings Type: PLANNED
Cement:Sacks: 500, Top: , Bottom: 6717 ft.
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6617 ft., Depth: 11039 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:9/8/2014
Spud Date:9/1/2014Spud Date Is:ACTUAL
Measured TD:11045 ft.Measured PB depth:10992 ft.
True Vertical TD:6407 ft.True Vertical PB depth:6407 ft.
Top PZ Location:Sec:15 Twp: 5N 62WFootage: 745 FNL  458 FWL
Bottom Hole Location:Sec:15 Twp: 5N 62WFootage: 470 FSL  495 FWL
Log Types:CBL, MUD, OH
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 444 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 190, Top: 0 ft., Bottom: 444 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 6888 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 690, Top: 0 ft., Bottom: 6888 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6630 ft., Depth: 11038 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: , Top: , Bottom: , Determination Method: VISU
FormationInterval TopLog BottomCoredDSTs
PARKMAN3496 ft.
SHARON SPRINGS6231 ft.
NIOBRARA6376 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 12/1/2025                 Interval Top: 6955 ft.    Interval Bottom: 10881 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:10/16/2014Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:9/26/2014Treatment End Date:9/27/2014
Treatment Summary:28 Stage Niobrara pumped a total of 69,105 bbls of fluid (Phaser) and 4,200,630 # of sand (40/70 Ottawa, 30/50 Ottawa, 20/40 InnoProp); ATP 4,342 psi, ATR 48.00 bpm, Final ISDP 2,940 psi; completed with sliding sleeves and casing packers.
Total fluid used in treatment (bbls):69105Max pressure during treatment (psi):4868
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.33
Type Of gas:Number Of staged intervals:28
Total acid used in treatment (bbls):Min frac gradient (psi/ft):0.89
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):24992
Fresh water used in treatment (bbls):69105Disposition method For flowback:DISPOSAL
Total proppant used (lbs):4200630Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:6560 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:10/26/2014Test Method:Flowing
Hours Tested:72Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 1395
BBLS_OIL 762
BTU_GAS 1311
CALC_BBLS_H2O 465
CALC_BBLS_OIL 254
CALC_GOR 654
CALC_MCF_GAS 166
CASING_PRESS 1050
GRAVITY_OIL 43
MCF_GAS 498
TUBING_PRESS 325
Perforation Data:
Interval Top:6955 ft.# Of Holes:
Interval Bottom:10881 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
January 2025 - December 2025i
Total Oil Produced (Barrels)303
Total Gas Produced (MCF)3216
GOR10613
GOR DeterminationBOE
Average BOE per Day2.315
Average MCFE per Day13.422

 Federal Financial Assurance  i 

 Tribal Well  i No