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 Surface Location
 API# 05-123-35240
Well Classification: OW Status: PA - 9/29/2025
Well Name/No:Antelope #L-29
(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:PAStatus Date9/29/2025
FacilityID:428130LocationID:422161
County:WELD #123Location:SWNW 29 5N62W 6
Field:WATTENBERG - #90750Elevation:4659 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1659FNL  1184 FWLLat/Long: 40.373290 / -104.352520Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.373350 / -104.352620Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 6/1/2012
End Date: 6/1/2012
Reported: 9/14/2012
Days to report: 105
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: AB - 9/29/2025             Measured TD: 6961 ft.    Vertical TD: 6746 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        AB - 9/29/2025
Wellbore PermitDIRECTIONAL
Permit #: Expiration Date:3/7/2014
Proposed Top PZ Location:Sec:29 Twp: 5n 62w Footage: 1265 FNL  2530 FWL
Bottom Hole Location:Sec:29 Twp: 5n 62w Footage: 1265 FNL  2530 FWL
Proposed Depth/Form:6920 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: , Unit Acreage: 160, Drill Unit: GWA
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 410 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 170, Top: 0 ft., Bottom: 410 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 6895 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 875, Top: 6045 ft., Bottom: 6920 ft.

Wellbore Completed
Completion Date:4/28/2012
Spud Date:4/23/2012Spud Date Is:ACTUAL
Measured TD:6961 ft.Measured PB depth:6925 ft.
True Vertical TD:6746 ft.True Vertical PB depth:6710 ft.
Top PZ Location:Sec:29 Twp: 5n 62wFootage: 1265 FNL  2530 FWL
Bottom Hole Location:Sec:29 Twp: 5n 62wFootage: 1265 FNL  2530 FWL
Log Types:CBL, GAMMA RAY, HRI, CDL, CNL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 475 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 340, Top: 0 ft., Bottom: 475 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 6925 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 450, Top: 3150 ft., Bottom: 6961 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS6372 ft.
NIOBRARA6486 ft.
CODELL6747 ft.

Formation CODL                     Formation Classification:  OW                     Status:  CM - 8/5/2019                  Interval Top: 6746 ft.    Interval Bottom: 6756 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:6/1/2012Treatment End Date:6/1/2012
Treatment Summary:Pumped 3017 bbls of fluid with 245940 lbs 20/40 sand, Avg P 3610 psi, Avg Rate 50.7 bpm, Avr Final ISDP 2903 psi
Total fluid used in treatment (bbls):3017Max pressure during treatment (psi):3610
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.64
Type Of gas:Number Of staged intervals:1
Total acid used in treatment (bbls):12Min frac gradient (psi/ft):0.87
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):1361
Fresh water used in treatment (bbls):3005Disposition method For flowback:DISPOSAL
Total proppant used (lbs):245940Green completions techniques utilized:No
Reason green techniques Not utilized: 
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
No Initial Test Data was found for formation CODL.
Perforation Data:
Interval Top:6746 ft.# Of Holes:40
Interval Bottom:6756 ft.Hole Size:0.42 in.

Formation NB-CD                   Formation Classification:  OW                   Status:  AB - 9/29/2025                 Interval Top: 6492 ft.    Interval Bottom: 6756 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARA-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:N/ATest Method:
Hours Tested:Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 4
BBLS_OIL 46
BTU_GAS 1311
CALC_BBLS_H2O 1
CALC_BBLS_OIL 15
CALC_GOR 391
CALC_MCF_GAS 6
CASING_PRESS 1158
GRAVITY_OIL 43
MCF_GAS 18
TUBING_PRESS 536
Perforation Data:
Interval Top:6492 ft.# Of Holes:88
Interval Bottom:6756 ft.Hole Size:0.42 in.

Formation NBRR                     Formation Classification:  OW                     Status:  CM - 8/5/2019                  Interval Top: 6492 ft.    Interval Bottom: 6644 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:6/1/2012Treatment End Date:6/1/2012
Treatment Summary:Pumped 3017 bbls of fluid with 260059 lbs 20/40 sand, Avg P 3610 psi, Avg Rate 50.7 bpm, Final ISDP 2903 psi
Total fluid used in treatment (bbls):3017Max pressure during treatment (psi):3610
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:1
Total acid used in treatment (bbls):12Min frac gradient (psi/ft):0.87
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):1361
Fresh water used in treatment (bbls):3005Disposition method For flowback:DISPOSAL
Total proppant used (lbs):260059Green completions techniques utilized:--
Reason green techniques Not utilized: 
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
No Initial Test Data was found for formation NBRR.
Perforation Data:
Interval Top:6492 ft.# Of Holes:48
Interval Bottom:6644 ft.Hole Size:0.42 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY09/29/2025
Out Of Service RepurposedN 
Out Of ServiceYPlugging Due Date
12/31/2029
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)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