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 Surface Location
 API# 05-123-39738
Well Classification: OW Status: SI - 3/1/2025
Well Name/No:Dale #4A-20H-O264
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:BISON IV OPERATING LLC - 10670
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:SIStatus Date3/1/2025
FacilityID:437856LocationID:437845
County:WELD #123Location:SWSE 20 2N64W 6
Field:WATTENBERG - #90750Elevation:4959 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:338FSL  1806 FELLat/Long: 40.117642 / -104.572021Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.117642 / -104.572022Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 1/8/2015
End Date: 1/18/2015
Reported: 2/19/2015
Days to report: 32
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 3/1/2025             Measured TD: 11746 ft.    Vertical TD: 7036 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 3/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:6/27/2016
Proposed Top PZ Location:Sec:20 Twp: 2N 64W Footage: 478 FSL  2618 FEL
Bottom Hole Location:Sec:20 Twp: 2N 64W Footage: 493 FNL  2533 FEL
Proposed Depth/Form:11645 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: CONDUCTOR, Hole Size: 22 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 30# , Citings Type: PLANNED
Cement:Sacks: 80, Top: 0 ft., Bottom: 80 ft.
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1000 ft., Weight: 40# , Citings Type: PLANNED
Cement:Sacks: 198, Top: 0 ft., Bottom: 1000 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7416 ft., Weight: 26# , Citings Type: PLANNED
Cement:Sacks: 906, Top: 500 ft., Bottom: 7416 ft.
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11645 ft., Weight: 13.5# , Citings Type: PLANNED
Cement:Sacks: 373, Top: 7716 ft., Bottom: 11645 ft.

Wellbore Completed
Completion Date:12/2/2014
Spud Date:8/24/2014Spud Date Is:ACTUAL
Measured TD:11746 ft.Measured PB depth:11731 ft.
True Vertical TD:7036 ft.True Vertical PB depth:7036 ft.
Top PZ Location:Sec:20 Twp: 2N 64WFootage: 478 FSL  2618 FEL
Bottom Hole Location:Sec:20 Twp: 2N 64WFootage: 493 FNL  2533 FEL
Log Types:CBL, MWD, (Resistivity 123-39723)
Casing:String Type: CONDUCTOR, Hole Size: 30 in., Size: 16 in., Top: 0 ft., Depth: 143 ft., Weight: 65 , Citings Type: ACTUAL
Cement:Sacks: 114, Top: 0 ft., Bottom: 143 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1082 ft., Weight: 40 , Citings Type: ACTUAL
Cement:Sacks: 365, Top: 0 ft., Bottom: 1082 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7425 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 577, Top: 0 ft., Bottom: 7425 ft., Determination Method: CBL
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11731 ft., Weight: 13.5 , Citings Type: ACTUAL
Cement:Sacks: 530, Top: 5306 ft., Bottom: 11731 ft., Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS6954 ft.
NIOBRARA7002 ft.
FORT HAYS7388 ft.
CODELL7571 ft.

Formation CODL                     Formation Classification:  OW                     Status:  CM - 1/9/2017                  Interval Top: 7571 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:Yes
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:# Of Holes:
Interval Bottom:Hole Size:

Formation NBFHC                   Formation Classification:  OW                   Status:  SI - 3/1/2025                  Interval Top: 7449 ft.    Interval Bottom: 11677 ft.

 Completed Information for Formation NIOBRARA-FT HAYS-CODELL
1st Production Date:3/8/2015Choke Size: 
Formation Name:NIOBRARA-FT HAYS-CODELLCommingled:No
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:12/31/2014Treatment End Date:1/18/2015
Treatment Summary:Stages 1-29 treated with 96,801 bbls of fresh water, 426 bbls Hybrid (Gel & Slickwater), 720 bbls of HCL 15%, 1,322,297 lbs of 30/50 and 4,177,900 lbs 40/70 sand proppant
Total fluid used in treatment (bbls):97947Max pressure during treatment (psi):8066
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.30
Type Of gas:Number Of staged intervals:29
Total acid used in treatment (bbls):720Min frac gradient (psi/ft):0.43
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):780
Fresh water used in treatment (bbls):97227Disposition method For flowback:DISPOSAL
Total proppant used (lbs):5500198Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:7298 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:3/15/2015Test Method:FLOWING
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 274
BBLS_OIL 349
BTU_GAS 1298
CALC_BBLS_H2O 274
CALC_BBLS_OIL 349
CALC_GOR 885
CALC_MCF_GAS 309
CASING_PRESS 1836
GRAVITY_OIL 50
MCF_GAS 309
TUBING_PRESS 1436
Perforation Data:
Interval Top:7449 ft.# Of Holes:759
Interval Bottom:11677 ft.Hole Size:0.38 in.

Formation FTHYS                   Formation Classification:  OW                   Status:  CM - 1/9/2017                  Interval Top: 7388 ft.

 Completed Information for Formation FORT HAYS
1st Production Date:N/AChoke Size: 
Formation Name:FORT HAYSCommingled:Yes
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:
Treatment Date:1/9/2017Treatment End Date:N/A
Treatment Summary:Stage 24-27: Top = 7743, Bottom = 8281 Stage 29: Top = 7449, Bottom = 7554
Total fluid used in treatment (bbls):Max pressure during treatment (psi):
Total gas used in treatment (mcf):Fluid density (lbs/gal):
Type Of gas:Number Of staged intervals:
Total acid used in treatment (bbls):Min frac gradient (psi/ft):
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):Disposition method For flowback:
Total proppant used (lbs):Green 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 FTHYS.
Perforation Data:
Interval Top:# Of Holes:
Interval Bottom:Hole Size:

Formation NBRR                     Formation Classification:  OW                     Status:  CM - 1/9/2017                  Interval Top: 7002 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:Yes
Formation Treatment
Treatment Type:
Treatment Date:1/9/2017Treatment End Date:N/A
Treatment Summary:Stages 1-23 treated NBRR.
Total fluid used in treatment (bbls):Max pressure during treatment (psi):
Total gas used in treatment (mcf):Fluid density (lbs/gal):
Type Of gas:Number Of staged intervals:
Total acid used in treatment (bbls):Min frac gradient (psi/ft):
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):Disposition method For flowback:
Total proppant used (lbs):Green 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 NBRR.
Perforation Data:
Interval Top:# Of Holes:
Interval Bottom:Hole Size:
Primary Well Designation:
Low Producing      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingYProduction Period
12/2024 - 11/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2024 - November 2025i
Total Oil Produced (Barrels)9
Total Gas Produced (MCF)6
GOR666
GOR DeterminationBOE
Average BOE per Day0.030
Average MCFE per Day0.173

 Federal Financial Assurance  i 

 Tribal Well  i No