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 Surface Location
 API# 05-123-52942
Well Classification: OW Status: PR - 10/1/2025
Well Name/No:FIBONACCI A-F15 #15S-10-07
(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 #:OG-108517
Facility Status:PRStatus Date10/1/2025
FacilityID:489865LocationID:429977
County:WELD #123Location:NWNW 15 5N62W 6
Field:WATTENBERG - #90750Elevation:4698 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:354FNL  1123 FWLLat/Long: 40.406257 / -104.314837Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.406255 / -104.314837Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 7/20/2025
End Date: 7/31/2025
Reported: 9/5/2025
Days to report: 36
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 10/1/2025             Measured TD: 12913 ft.    Vertical TD: 6368 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 10/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:4/16/2028
Proposed Top PZ Location:Sec:15 Twp: 5N 62W Footage: 100 FNL  345 FEL
Bottom Hole Location:Sec:15 Twp: 5N 62W Footage: 175 FSL  345 FEL
Proposed Depth/Form:12930 ft.
Surface Mineral Owner Same:No
Mineral Owner:STATESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 407-3685 , Unit Acreage: 640, Drill Unit: T5N R62W: Sec 15 - A
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 105, Top: 0 ft., Bottom: 80 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1715 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 582, Top: 0 ft., Bottom: 1715 ft.
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 12930 ft., Weight: 20 , Citings Type: PLANNED
Cement:Sacks: 1901, Top: , Bottom: 12930 ft.

Wellbore Completed
Completion Date:5/16/2025
Spud Date:5/2/2025Spud Date Is:ACTUAL
Measured TD:12913 ft.Measured PB depth:12901 ft.
True Vertical TD:6368 ft.True Vertical PB depth:6368 ft.
Top PZ Location:Sec:15 Twp: 5N 62WFootage: 121 FNL  359 FEL
Bottom Hole Location:Sec:15 Twp: 5N 62WFootage: 176 FSL  371 FEL
Log Types:CBL, MWD/LWD, (RES on 123-52944).
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 36.95 , Citings Type: ACTUAL
Cement:Sacks: 100, Top: 0 ft., Bottom: 80 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1897 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 782, Top: 0 ft., Bottom: 1897 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 12901 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 2090, Top: 1900 ft., Bottom: 12901 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3937 ft.NN
SUSSEX4568 ft.NN
SHANNON5009 ft.NN
SHARON SPRINGS7236 ft.NN
NIOBRARA7421 ft.NN

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 10/1/2025                 Interval Top: 7864 ft.    Interval Bottom: 12852 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:9/17/2025Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:HYDRAULIC FRACTURING
Treatment Date:7/20/2025Treatment End Date:7/31/2025
Treatment Summary:Niobrara Frac'd with 30 stage plug and perf: 9103957 total pounds proppant pumped: 9103957 pounds 100 mesh; 353021 total bbls fluid pumped: 344576 bbls gelled fluid; 8088 bbls fresh water and 357 bbls 15% HCl Acid.
Total fluid used in treatment (bbls):353021Max pressure during treatment (psi):8765
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:30
Total acid used in treatment (bbls):357Min frac gradient (psi/ft):0.87
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):0
Fresh water used in treatment (bbls):8088Disposition method For flowback:DISPOSAL
Total proppant used (lbs):9103957Green completions techniques utilized:--
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:7481 ft.
Tubing Packer Depth:7480 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:10/1/2025Test Method:FLOWING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 389
BBLS_OIL 66
BTU_GAS 1290
CALC_BBLS_H2O 389
CALC_BBLS_OIL 66
CALC_GOR 1439
CALC_MCF_GAS 95
CASING_PRESS 80
GRAVITY_OIL 38
MCF_GAS 95
TUBING_PRESS 345
Perforation Data:
Interval Top:7864 ft.# Of Holes:1888
Interval Bottom:12852 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
January 2025 - December 2025i
Total Oil Produced (Barrels)22517
Total Gas Produced (MCF)21506
GOR955
GOR DeterminationBOE
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No