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 Surface Location
 API# 05-123-48072
Well Classification: OW Status: TA - 9/1/2025
Well Name/No:Simpson #36-1H
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:PRAIRIE OPERATING CO LLC - 10819
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:OG-107228
Facility Status:TAStatus Date9/1/2025
FacilityID:457766LocationID:457767
County:WELD #123Location:NESE 26 8N66W 6
Field:DJ HORIZONTAL NIOBRARA - #16950Elevation:5014 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2442FSL  349 FELLat/Long: 40.632860 / -104.736090Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.632860 / -104.736090Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 11/19/2019
End Date: 11/23/2019
Reported: 5/18/2020
Days to report: 177
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: TA - 9/1/2025             Measured TD: 12495 ft.    Vertical TD: 7428 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        TA - 9/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:10/10/2021
Proposed Top PZ Location:Sec:36 Twp: 8N 66W Footage: 600 FNL  600 FWL
Bottom Hole Location:Sec:36 Twp: 8N 66W Footage: 600 FSL  600 FWL
Proposed Depth/Form:12374 ft.
Surface Mineral Owner Same:No
Mineral Owner:STATESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: , Drill Unit:
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 65 , Citings Type: PLANNED
Cement:Sacks: 100, Top: 0 ft., Bottom: 80 ft.
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1500 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 479, Top: 0 ft., Bottom: 1500 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 5.5 in., Top: 0 ft., Depth: 12374 ft., Weight: 20 , Citings Type: PLANNED
Cement:Sacks: 2012, Top: , Bottom: 12374 ft.

Wellbore Completed
Completion Date:11/2/2019
Spud Date:10/27/2019Spud Date Is:ACTUAL
Measured TD:12495 ft.Measured PB depth:12483 ft.
True Vertical TD:7428 ft.True Vertical PB depth:7428 ft.
Top PZ Location:Sec:36 Twp: 8N 66WFootage: 626 FNL  702 FWL
Bottom Hole Location:Sec:36 Twp: 8N 66WFootage: 603 FSL  618 FWL
Log Types:CBL, Mud, MWD/LWD (Resistivity to be run on future well on the pad)
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 42 , Citings Type: ACTUAL
Cement:Sacks: 400, Top: 0 ft., Bottom: 80 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 13.5 in., Size: 9.625 in., Top: 0 ft., Depth: 1547 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 395, Top: 0 ft., Bottom: 1547 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.5 in., Size: 5.5 in., Top: 0 ft., Depth: 12487 ft., Weight: 20 , Citings Type: ACTUAL
Cement:Sacks: 1695, Top: 6450 ft., Bottom: 12487 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN4280 ft.NN
SUSSEX5153 ft.NN
SHANNON5750 ft.NN
SHARON SPRINGS7957 ft.NN
NIOBRARA8094 ft.NN

Formation NBRR                     Formation Classification:  OW                     Status:  TA - 9/1/2025                  Interval Top: 8450 ft.    Interval Bottom: 12446 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:11/30/2019Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:11/17/2019Treatment End Date:11/23/2019
Treatment Summary:Plug and perf slickwater fracture treatment: 3600 gals Spearpoint Acid; 7,169,300 # 40/70; 600,030 # 30/50, 204,000 # 100 mesh; 215,909 bbls slickwater
Total fluid used in treatment (bbls):215909Max pressure during treatment (psi):9094
Total gas used in treatment (mcf):0Fluid density (lbs/gal):8.33
Type Of gas:Number Of staged intervals:20
Total acid used in treatment (bbls):85Min frac gradient (psi/ft):0.98
Recycled water used in treatment (bbls):0Total flowback volume recovered (bbls):10739
Fresh water used in treatment (bbls):215909Disposition method For flowback:DISPOSAL
Total proppant used (lbs):7973330Green completions techniques utilized:Yes
Reason green techniques Not utilized: 
Tubing Size:2.875 in.Tubing Setting Depth:7762 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:12/12/2019Test Method:flowback
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 655
BBLS_OIL 137
BTU_GAS 1400
CALC_BBLS_H2O 655
CALC_BBLS_OIL 137
CALC_GOR 971
CALC_MCF_GAS 133
CASING_PRESS 1250
GRAVITY_OIL 41
MCF_GAS 133
TUBING_PRESS 468
Perforation Data:
Interval Top:8450 ft.# Of Holes:618
Interval Bottom:12446 ft.Hole Size:
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
October 2024 - September 2025i
Total Oil Produced (Barrels)5199
Total Gas Produced (MCF)7565
GOR1455
GOR DeterminationBOE
Average BOE per Day17.842
Average MCFE per Day103.468

 Federal Financial Assurance  i 

 Tribal Well  i No