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 Surface Location
 API# 05-123-45065
Well Classification: OW Status: SI - 12/1/2025
Well Name/No:Pronghorn #U-Y-18HNB
(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:451274LocationID:431029
County:WELD #123Location:SESE 7 5N61W 6
Field:WATTENBERG - #90750Elevation:4564 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:369FSL  1023 FELLat/Long: 40.409539 / -104.246557Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.409539 / -104.246557Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 4/17/2019
End Date: 4/22/2019
Reported: 1/6/2020
Originally Reported: 5/8/2019
Days to report: 259
Days to report: 16
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 12/1/2025             Measured TD: 10927 ft.    Vertical TD: 6048 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:6/28/2019
Proposed Top PZ Location:Sec:18 Twp: 5N 61W Footage: 531 FNL  10 FEL
Bottom Hole Location:Sec:18 Twp: 5N 61 Footage: 470 FSL  10 FEL
Proposed Depth/Form:10816 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: 1600 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 894, Top: 0 ft., Bottom: 1600 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 5.5 in., Top: 0 ft., Depth: 10816 ft., Weight: 17 , Citings Type: PLANNED
Cement:Sacks: 1540, Top: 1500 ft., Bottom: 10816 ft.

Wellbore Completed
Completion Date:12/19/2018
Spud Date:11/19/2018Spud Date Is:ACTUAL
Measured TD:10927 ft.Measured PB depth:10874 ft.
True Vertical TD:6048 ft.True Vertical PB depth:6048 ft.
Top PZ Location:Sec:18 Twp: 5N 61WFootage: 469 FNL  18 FEL
Bottom Hole Location:Sec:18 Twp: 5N 61WFootage: 445 FSL  39 FEL
Log Types:CBL, Mud, MWD/LWD, (Resistivity on 123-45062).
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1601 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 720, Top: 0 ft., Bottom: 1601 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 10917 ft., Weight: 17 , Citings Type: ACTUAL
Cement:Sacks: 1580, Top: 136 ft., Bottom: 10927 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3109 ft.
SHARON SPRINGS5965 ft.
NIOBRARA6168 ft.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 12/1/2025                 Interval Top: 6480 ft.    Interval Bottom: 10789 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:9/4/2019Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:4/17/2019Treatment End Date:4/22/2019
Treatment Summary:34-stage plug-and-perf completion; 225905 total bbls fluid pumped: 225500 bbls fresh water (slurry) and 405 bbls 15% HCl acid; 9945000 total lbs proppant pumped: 9605000 lbs 40/70 Ottawa Sand and 340000 lbs 100 mesh.
Total fluid used in treatment (bbls):225905Max pressure during treatment (psi):6792
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:34
Total acid used in treatment (bbls):405Min frac gradient (psi/ft):0.91
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):14303
Fresh water used in treatment (bbls):225500Disposition method For flowback:DISPOSAL
Total proppant used (lbs):9945000Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:5990 ft.
Tubing Packer Depth:5981 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:9/9/2019Test Method:Flowing
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 278
BBLS_OIL 325
BTU_GAS 1357
CALC_BBLS_H2O 278
CALC_BBLS_OIL 325
CALC_GOR 317
CALC_MCF_GAS 103
CASING_PRESS 293
GRAVITY_OIL 39
MCF_GAS 103
TUBING_PRESS 336
Perforation Data:
Interval Top:6480 ft.# Of Holes:918
Interval Bottom:10789 ft.Hole Size:0.35 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)7150
Total Gas Produced (MCF)29319
GOR4100
GOR DeterminationBOE
Average BOE per Day33.456
Average MCFE per Day194.032

 Federal Financial Assurance  i 

 Tribal Well  i No