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 Surface Location
 API# 05-123-38804
Well Classification: OW Status: PR - 10/1/2025
Well Name/No:Horsetail #29G-2012B
(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:PRStatus Date10/1/2025
FacilityID:435859LocationID:435861
County:WELD #123Location:SWNE 29 10N57W 6
Field:DJ HORIZONTAL NIOBRARA - #16950Elevation:4695 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2328FNL  1888 FELLat/Long: 40.810706 / -103.772181Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.810700 / -103.772167Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 12/12/2014
End Date: 12/19/2014
Reported: 1/7/2015
Days to report: 19
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 10/1/2025             Measured TD: 13700 ft.    Vertical TD: 5502 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 10/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:1/15/2016
Proposed Top PZ Location:Sec:29 Twp: 10N 57W Footage: 1543 FNL  1590 FEL
Bottom Hole Location:Sec:20 Twp: 10N 57W Footage: 100 FNL  1485 FEL
Proposed Depth/Form:12505 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 535-314 , Unit Acreage: 960, Drill Unit: S.29:N/2,S.20:ALL
Casing:String Type: CONDUCTOR, Hole Size: 16.063 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 65 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:
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: 711, Top: 0 ft., Bottom: 1600 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 5807 ft., Weight: 29 , Citings Type: PLANNED
Cement:Sacks: 389, Top: 0 ft., Bottom: 5807 ft.
Casing:String Type: 1ST LINER, Hole Size: 6 in., Size: 4.5 in., Top: 5025 ft., Depth: 12505 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:10/28/2014
Spud Date:10/19/2014Spud Date Is:ACTUAL
Measured TD:13700 ft.Measured PB depth:13647 ft.
True Vertical TD:5502 ft.True Vertical PB depth:5503 ft.
Top PZ Location:Sec:29 Twp: 10N 57WFootage: 2513 FNL  1561 FEL
Bottom Hole Location:Sec:20 Twp: 10N 57WFootage: 111 FNL  1468 FEL
Log Types:LWD, Mud, CBL, TRIPLE COMBO, CALIPER, DENS, IND, SPECTRAL GAMMA, PULSED NEUTRON.
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 16 in., Top: 0 ft., Depth: 109 ft., Weight: 42.09 , Citings Type: ACTUAL
Cement:Sacks: , Top: 0 ft., Bottom: 109 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1641 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 700, Top: 0 ft., Bottom: 1641 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 5981 ft., Weight: 29 , Citings Type: ACTUAL
Cement:Sacks: 655, Top: 28 ft., Bottom: 5981 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6 in., Size: 4.5 in., Top: 5055 ft., Depth: 13693 ft., Weight: 11.60 , Citings Type: ACTUAL
Cement:Sacks: 580, Top: 5055 ft., Bottom: 13693 ft., Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
PIERRE1525 ft.NN
HYGIENE3565 ft.NN
SHARON SPRINGS5397 ft.NN
NIOBRARA5404 ft.NN

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 10/1/2025                 Interval Top: 6004 ft.    Interval Bottom: 13620 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:1/31/2015Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:12/12/2014Treatment End Date:12/19/2014
Treatment Summary:40 staged intervals, ; 643 bbl Total 15% HCL, 82881 bbl 22# pHaserFrac XL Gel, 14195 bbl 22# CMHPG WaterFrac Linear Gel, 33373 bbl Slickwater Total Proppant: 6429856#20/40 Ottawa; 118868#40/70 Ottawa
Total fluid used in treatment (bbls):131092Max pressure during treatment (psi):10261
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.33
Type Of gas:Number Of staged intervals:40
Total acid used in treatment (bbls):643Min frac gradient (psi/ft):0.78
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):29333
Fresh water used in treatment (bbls):130449Disposition method For flowback:DISPOSAL
Total proppant used (lbs):6549693Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.875 in.Tubing Setting Depth:4995 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:2/6/2015Test Method:Separator
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 722
BBLS_OIL 268
BTU_GAS 1677
CALC_BBLS_H2O 722
CALC_BBLS_OIL 268
CALC_GOR 567
CALC_MCF_GAS 152
CASING_PRESS 60
GRAVITY_OIL 32
MCF_GAS 152
TUBING_PRESS 210
Perforation Data:
Interval Top:6004 ft.# Of Holes:1440
Interval Bottom:13620 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
September 2024 - August 2025i
Total Oil Produced (Barrels)1502
Total Gas Produced (MCF)7925
GOR5276
GOR DeterminationBOE
Average BOE per Day7.831
Average MCFE per Day45.414

 Federal Financial Assurance  i 

 Tribal Well  i No