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 Surface Location
 API# 05-123-41773
Well Classification: OW Status: SI - 1/1/2026
Well Name/No:Horsetail Fed #07F-0640
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:FUNDARE RESOURCES OPERATING COMPANY LLC - 10773
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:SIStatus Date1/1/2026
FacilityID:442287LocationID:442284
County:WELD #123Location:SENW 7 10N57W 6
Field:DJ HORIZONTAL NIOBRARA - #16950Elevation:4900 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2599FNL  2297 FWLLat/Long: 40.853600 / -103.795733Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.853601 / -103.795734Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 5/17/2017
End Date: 5/23/2017
Reported: 6/6/2018
Originally Reported: 5/31/2017
Days to report: 379
Days to report: 8
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: SI - 1/1/2026             Measured TD: 13590 ft.    Vertical TD: 5922 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        SI - 1/1/2026
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:6/29/2017
Proposed Top PZ Location:Sec:7 Twp: 10N 57W Footage: 2547 FNL  2242 FWL
Bottom Hole Location:Sec:6 Twp: 10N 57W Footage: 600 FNL  2287 FWL
Proposed Depth/Form:13629 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 535-508 , Unit Acreage: 960, Drill Unit: N/2 S7, All S6
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 20 in., Top: 0 ft., Depth: 80 ft., Weight: 92 , Citings Type: PLANNED
Cement:Sacks: 179, Top: 0 ft., Bottom: 80 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1950 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 863, Top: 0 ft., Bottom: 1950 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 13618 ft., Weight: 17 , Citings Type: PLANNED
Cement:Sacks: 2261, Top: 0 ft., Bottom: 13618 ft.
Casing:String Type: 1ST LINER, Hole Size: 6 in., Size: 4.5 in., Top: 5550 ft., Depth: 13629 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:2/20/2016
Spud Date:2/14/2016Spud Date Is:ACTUAL
Measured TD:13590 ft.Measured PB depth:13542 ft.
True Vertical TD:5922 ft.True Vertical PB depth:5922 ft.
Top PZ Location:Sec:7 Twp: 10N 57WFootage: 2379 FNL  2241 FWL
Bottom Hole Location:Sec:6 Twp: 10N 57WFootage: 557 FNL  2281 FWL
Log Types:Mud, LWD/MWD, CBL, (DIL in API 123-41781)
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 16 in., Top: 0 ft., Depth: 101 ft., Weight: 65 , Citings Type: ACTUAL
Cement:Sacks: 0, Top: 0 ft., Bottom: 101 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1978 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 874, Top: 0 ft., Bottom: 1978 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 13552 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 2359, Top: 0 ft., Bottom: 13552 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PIERRE1700 ft.NN
HYGIENE3550 ft.NN
SHARON SPRINGS5705 ft.NN
NIOBRARA5712 ft.NN

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 1/1/2026                  Interval Top: 6440 ft.    Interval Bottom: 13436 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:8/10/2017Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:5/17/2017Treatment End Date:5/23/2017
Treatment Summary:50 Stage Plug & Perf, 995236# 100 Mesh , 3913292# 40/70 Prem White sand, 283 bbls 15% HCl, 194920 bbls slickwater
Total fluid used in treatment (bbls):195203Max pressure during treatment (psi):8048
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.33
Type Of gas:Number Of staged intervals:50
Total acid used in treatment (bbls):283Min frac gradient (psi/ft):0.80
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):16899
Fresh water used in treatment (bbls):194920Disposition method For flowback:DISPOSAL
Total proppant used (lbs):4909989Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:3 in.Tubing Setting Depth:5262 ft.
Tubing Packer Depth:5252 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:9/5/2017Test Method:Separator
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 638
BBLS_OIL 213
BTU_GAS 1313
CALC_BBLS_H2O 638
CALC_BBLS_OIL 213
CALC_GOR 484
CALC_MCF_GAS 103
CASING_PRESS 950
GRAVITY_OIL 34
MCF_GAS 103
TUBING_PRESS 520
Perforation Data:
Interval Top:6440 ft.# Of Holes:1999
Interval Bottom:13436 ft.Hole Size:0.375 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
February 2025 - January 2026i
Total Oil Produced (Barrels)146
Total Gas Produced (MCF)12682
GOR86863
GOR DeterminationMCFE
Average BOE per Day6.363
Average MCFE per Day36.903

 Federal Financial Assurance  i 

 Tribal Well  i No