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 Surface Location
 API# 05-123-33170		Well Classification: GW Status: TA - 9/30/2019
Well Name/No:Antelope #23-29
(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:TAStatus Date9/30/2019
FacilityID:422149LocationID:422173
County:WELD #123Location:NESW 29 5N62W 6
Field:WATTENBERG - #90750Elevation:4591 ft.
Planned Location:1514FSL  1572 FWLLat/Long: 40.367580 / -104.351220Lat/Long Source: Field Measured
As Drilled Location:1470 FSL  1532 FWLLat/Long: 40.367460 / -104.351360Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: TA - 9/30/2019             Measured TD: 6686 ft.    Vertical TD: 6628 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        TA - 9/30/2019
Wellbore PermitDIRECTIONAL
Permit #: Expiration Date:3/20/2013
Proposed Top PZ Location:Sec:29 Twp: 5N 62W Footage: 1977 FSL  1989 FWL
Bottom Hole Location:Sec:29 Twp: 5N 62W Footage: 1977 FSL  1989 FWL
Proposed Depth/Form:6750 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: 40, Drill Unit: NESW
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: 290, Top: 0 ft., Bottom: 410 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 6750 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 200, Top: 5900 ft., Bottom: 6750 ft.
Wellbore Completed
Completion Date:5/5/2011
Spud Date:5/1/2011Spud Date Is:ACTUAL
Measured TD:6686 ft.Measured PB depth:6653 ft.
True Vertical TD:6628 ft.True Vertical PB depth:6595 ft.
Top PZ Location:Sec:29 Twp: 5N 62WFootage: 1977 FSL  1989 FWL
Bottom Hole Location:Sec:29 Twp: 5N 62WFootage: 1977 S  1989 W
Log Types:CBL, GR, CD, CN, DI
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 8.625 in., Top: 0 ft., Depth: 446 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 430, Top: 0 ft., Bottom: 446 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 6667 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 480, Top: 2230 ft., Bottom: 6667 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3361 ft.
SUSSEX4016 ft.
NIOBRARA6217 ft.
FORT HAYS6456 ft.
CODELL6481 ft.

Formation CODL                     Formation Classification:  GW                     Status:  CM - 12/6/2019                 Interval Top: 6540 ft.    Interval Bottom: 6548 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
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:6540 ft.# Of Holes:32
Interval Bottom:6548 ft.Hole Size:0.4 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  TA - 9/30/2019                 Interval Top: 6282 ft.    Interval Bottom: 6548 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARA-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:6/8/2011
Treatment Summary:CODELL PUMPED 39,732 GAL PAD FLUID. PU,PED 84,882 GAL PHASERFRAC W/253,660 LBS 20/40 SAND. ISDP 2937 PSI, ATP 3179 PSI, ATR 22.6 BPM. NIOBRARA PUMPED 26,964 PAD FLUID. PUMPED 93,198 GAL PHASERFRAC W/260,020 LBS. 30/50 SAND. ISDP 3063 PSI, ATP 3580 PSI, ATR 50.4 BPM.
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 3
BBLS_OIL 29
BTU_GAS 1283
CALC_BBLS_H2O 3
CALC_BBLS_OIL 29
CALC_MCF_GAS 20
CASING_PRESS 207
GRAVITY_OIL 41
MCF_GAS 20
Perforation Data:
Interval Top:6282 ft.# Of Holes:80
Interval Bottom:6548 ft.Hole Size:0.4 in.

Formation NBRR                     Formation Classification:  GW                     Status:  CM - 12/6/2019                 Interval Top: 6282 ft.    Interval Bottom: 6434 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
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:6282 ft.# Of Holes:48
Interval Bottom:6434 ft.Hole Size:0.4 in.
Primary Well Designation:
Out Of Service      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceYPlugging Due Date
12/31/2029
Inactive ExceptionN 
Noticed InactiveN 
Defined Inactive (TA )YDefined Inactive
09/30/2019
Low ProducingYProduction Period
12/2023 - 11/2024

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2023 - November 2024i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)0
GOR
GOR DeterminationMCFE
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No