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 Surface Location
 API# 05-123-41643
Well Classification: OW Status: PR - 12/1/2025
Well Name/No:Horsetail #07E-1802
(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 Date12/1/2025
FacilityID:442060LocationID:431527
County:WELD #123Location:LOT2 7 10N57W 6
Field:DJ HORIZONTAL NBRR-FTHYS-CODL - #16953Elevation:4926 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2456FNL  800 FWLLat/Long: 40.853958 / -103.801150Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.853958 / -103.801146Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 3/25/2017
End Date: 3/30/2017
Reported: 2/15/2021
Originally Reported: 4/25/2017
Days to report: 1418
Days to report: 26
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 12/1/2025             Measured TD: 14199 ft.    Vertical TD: 6035 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #:Expiration Date:6/13/2017
Proposed Top PZ Location:Sec:7 Twp: 10N 57W Footage: 2550 FSL  591 FWL
Bottom Hole Location:Sec:18 Twp: 10N 57W Footage: 100 FSL  485 FWL
Proposed Depth/Form:14100 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: CODL , Formation: CODELL , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: FTHYS , Formation: FORT HAYS , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: 535-508 , Unit Acreage: 960, Drill Unit: S/2 S7, All S18
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 65 , 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: 1830 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 711, Top: 0 ft., Bottom: 1830 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 5.5 in., Top: 0 ft., Depth: 14100 ft., Weight: 17 , Citings Type: PLANNED
Cement:Sacks: 2053, Top: 0 ft., Bottom: 14100 ft.
Casing:String Type: 1ST LINER, Hole Size: 6 in., Size: 4.5 in., Top: 5447 ft., Depth: 13951 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: , Top: , Bottom:

Wellbore Completed
Completion Date:1/19/2016
Spud Date:1/13/2016Spud Date Is:ACTUAL
Measured TD:14199 ft.Measured PB depth:14142 ft.
True Vertical TD:6035 ft.True Vertical PB depth:6034 ft.
Top PZ Location:Sec:7 Twp: 10N 57WFootage: 2483 FSL  593 FWL
Bottom Hole Location:Sec:18 Twp: 10N 57WFootage: 45 FSL  508 FWL
Log Types:LWD/MWD, Mud, CBL, NEU
Casing:String Type: CONDUCTOR, Hole Size: 24 in., Size: 16 in., Top: 0 ft., Depth: 101 ft., Weight: 65 , Citings Type: ACTUAL
Cement:Sacks: 100, 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: 2026 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 595, Top: 0 ft., Bottom: 2026 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 14191 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 2095, Top: 64 ft., Bottom: 14191 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PIERRE1750 ft.NN
HYGIENE3601 ft.NN
SHARON SPRINGS5702 ft.NN
NIOBRARA5716 ft.NN
FORT HAYS6008 ft.NN
CODELL6045 ft.NN

Formation FTHYS                   Formation Classification:  OW                   Status:  PR - 2/15/2021                 Interval Top: 7827 ft.    Interval Bottom: 13906 ft.

 Completed Information for Formation FORT HAYS
1st Production Date:7/23/2017Choke Size: 
Formation Name:FORT HAYSCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:
Treatment Date:2/26/2021Treatment End Date:N/A
Treatment Summary:Completed Depths: 7827'-8539' (120 shots); 11436'-11635' (40 shots); 11948'-12328 (70 shots); 13904'-13906' (10 shots).
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:--
Reason green techniques Not utilized: 
Formation Treatment
Treatment Type:
Treatment Date:7/24/2018Treatment End Date:N/A
Treatment Summary:Completed Depths: 7827’-8539’ (120 shots); 11436'-11635' (40 shots); 11948’-12328’ (70 shots); 13904'-13906' (10 shots).
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:--
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:7827 ft.# Of Holes:240
Interval Bottom:13906 ft.Hole Size:0.375 in.

Formation NBRR                     Formation Classification:  OW                     Status:  SI - 4/1/2025                  Interval Top: 7763 ft.    Interval Bottom: 7765 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:7/23/2017Choke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:
Treatment Date:2/26/2021Treatment End Date:N/A
Treatment Summary:Completed Depths: 7763'-7765' (10 shots)
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:--
Reason green techniques Not utilized: 
Formation Treatment
Treatment Type:
Treatment Date:7/24/2018Treatment End Date:N/A
Treatment Summary:Completed Depths: 7763’-7765’ (10 shots)
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:--
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:7763 ft.# Of Holes:10
Interval Bottom:7765 ft.Hole Size:0.375 in.

Formation CODL                     Formation Classification:  OW                     Status:  PR - 2/15/2021                 Interval Top: 6473 ft.    Interval Bottom: 14097 ft.

 Completed Information for Formation CODELL
1st Production Date:7/23/2017Choke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:
Treatment Date:2/26/2021Treatment End Date:N/A
Treatment Summary:Completed Depths: 6473'-7696' (200 shots); 8601'-11377' (440 shots); 11696'-11887' (40 shots); 12384'-13840' (240 shots); 13968'- 14097' (31 shots).
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:--
Reason green techniques Not utilized: 
Formation Treatment
Treatment Type:
Treatment Date:7/24/2018Treatment End Date:N/A
Treatment Summary:Completed Depths: 6473’-7696’ (200 shots); 8601'-11377' (440 shots); 11696'-11887' (40 shots); 12384'-13840' (240 shots); 13968'-14097' (31 shots).
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:--
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 CODL.
Perforation Data:
Interval Top:6473 ft.# Of Holes:951
Interval Bottom:14097 ft.Hole Size:0.375 in.

Formation NBFHC                   Formation Classification:  OW                   Status:  PR - 7/1/2017                  Interval Top: 6473 ft.    Interval Bottom: 14097 ft.

 Completed Information for Formation NIOBRARA-FT HAYS-CODELL
1st Production Date:7/23/2017Choke Size: 
Formation Name:NIOBRARA-FT HAYS-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:HYDRAULIC FRACTURING
Treatment Date:3/25/2017Treatment End Date:3/30/2017
Treatment Summary:30 Stage Plug & Perf 940906# 100 Mesh, 3925499# Premium White, 40/70, 119 bbls 15% HCl, 183605 bbls slickwater.
Total fluid used in treatment (bbls):183724Max pressure during treatment (psi):7506
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.33
Type Of gas:Number Of staged intervals:30
Total acid used in treatment (bbls):119Min frac gradient (psi/ft):0.80
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):20376
Fresh water used in treatment (bbls):183605Disposition method For flowback:DISPOSAL
Total proppant used (lbs):4866405Green completions techniques utilized:--
Reason green techniques Not utilized: 
Tubing Size:3 in.Tubing Setting Depth:6044 ft.
Tubing Packer Depth:6027 ft.Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:7/31/2017Test Method:Separator
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 1079
BBLS_OIL 163
BTU_GAS 1436
CALC_BBLS_H2O 1079
CALC_BBLS_OIL 163
CALC_GOR 706
CALC_MCF_GAS 115
CASING_PRESS 75
GRAVITY_OIL 35
MCF_GAS 115
TUBING_PRESS 425
Perforation Data:
Interval Top:6473 ft.# Of Holes:1201
Interval Bottom:14097 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)1154
Total Gas Produced (MCF)4680
GOR4055
GOR DeterminationBOE
Average BOE per Day5.391
Average MCFE per Day31.268

 Federal Financial Assurance  i 

 Tribal Well  i No