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 Surface Location
 API# 05-123-39733
Well Classification: OW Status: SI - 12/1/2025
Well Name/No:Dale #4K-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 Date12/1/2025
FacilityID:437849LocationID:437845
County:WELD #123Location:SWSE 20 2N64W 6
Field:WATTENBERG - #90750Elevation:4957 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:337FSL  1731 FELLat/Long: 40.117640 / -104.571753Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.117641 / -104.571754Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 12/14/2014
End Date: 12/19/2014
Reported: 2/17/2015
Days to report: 60
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 12/1/2025             Measured TD: 11843 ft.    Vertical TD: 7109 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:6/27/2016
Proposed Top PZ Location:Sec:20 Twp: 2N 64W Footage: 603 FSL  240 FEL
Bottom Hole Location:Sec:20 Twp: 2N 64W Footage: 501 FNL  234 FEL
Proposed Depth/Form:11937 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: CODL , Formation: CODELL , Order: , Unit Acreage: 320, Drill Unit: GWA
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: 7699 ft., Weight: 26# , Citings Type: PLANNED
Cement:Sacks: 943, Top: 500 ft., Bottom: 7699 ft.
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11937 ft., Weight: 13.5# , Citings Type: PLANNED
Cement:Sacks: 374, Top: 7399 ft., Bottom: 11937 ft.

Wellbore Completed
Completion Date:9/3/2014
Spud Date:9/3/2014Spud Date Is:ACTUAL
Measured TD:11843 ft.Measured PB depth:11830 ft.
True Vertical TD:7109 ft.True Vertical PB depth:7109 ft.
Top PZ Location:Sec:20 Twp: 2N 64WFootage: 603 FSL  240 FEL
Bottom Hole Location:Sec:20 Twp: 2N 64WFootage: 501 FNL  234 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: 1080 ft., Weight: 40 , Citings Type: ACTUAL
Cement:Sacks: 447, Top: 0 ft., Bottom: 1080 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7655 ft., Weight: 26 , Citings Type: ACTUAL
Cement:Sacks: 649, Top: 0 ft., Bottom: 7655 ft., Determination Method: CBL
Casing:String Type: 2ND, Hole Size: 6.125 in., Size: 4.5 in., Top: 0 ft., Depth: 11830 ft., Weight: 13.5 , Citings Type: ACTUAL
Cement:Sacks: 354, Top: 6673 ft., Bottom: 11830 ft., Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
SHARON SPRINGS7023 ft.
NIOBRARA7073 ft.
FORT HAYS7471 ft.
CODELL7569 ft.

Formation CODL                     Formation Classification:  OW                     Status:  CM - 12/28/2016                Interval Top: 7569 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:# Of Holes:
Interval Bottom:Hole Size:

Formation FTHYS                   Formation Classification:  OW                   Status:  CM - 12/28/2016                Interval Top: 7471 ft.

 Completed Information for Formation FORT HAYS
1st Production Date:N/AChoke Size: 
Formation Name:FORT HAYSCommingled: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 FTHYS.
Perforation Data:
Interval Top:# Of Holes:
Interval Bottom:Hole Size:

Formation CD-FH                   Formation Classification:  OW                   Status:  SI - 12/1/2025                 Interval Top: 7461 ft.    Interval Bottom: 11843 ft.

 Completed Information for Formation CODELL-FORT HAYS
1st Production Date:3/8/2015Choke Size: 
Formation Name:CODELL-FORT HAYSCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:12/14/2014Treatment End Date:12/19/2014
Treatment Summary:Stages 1-28 treated with 53,332 bbls of fresh water, 244 bbls Hybrid (Gel & Slickwater), 615 bbls of HCL 15%, 841,681 lbs of 30/50 and 1,785,204 lbs of 40/70 sand proppant
Total fluid used in treatment (bbls):54191Max pressure during treatment (psi):7555
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.30
Type Of gas:Number Of staged intervals:28
Total acid used in treatment (bbls):615Min frac gradient (psi/ft):0.92
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):1470
Fresh water used in treatment (bbls):53576Disposition method For flowback:DISPOSAL
Total proppant used (lbs):2626885Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.375 in.Tubing Setting Depth:7350 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 197
BBLS_OIL 251
BTU_GAS 1298
CALC_BBLS_H2O 197
CALC_BBLS_OIL 251
CALC_GOR 1900
CALC_MCF_GAS 477
CASING_PRESS 1662
GRAVITY_OIL 50
MCF_GAS 477
TUBING_PRESS 1215
Perforation Data:
Interval Top:7461 ft.# Of Holes:756
Interval Bottom:11843 ft.Hole Size:0.38 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)2053
Total Gas Produced (MCF)3563
GOR1735
GOR DeterminationBOE
Average BOE per Day7.296
Average MCFE per Day42.302

 Federal Financial Assurance  i 

 Tribal Well  i No