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 Surface Location
 API# 05-123-41114
Well Classification: OW Status: PR - 12/1/2025
Well Name/No:Arellano #T-10-9HN
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:EXTRACTION OIL & GAS INC - 10459
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:PRStatus Date12/1/2025
FacilityID:440769LocationID:440761
County:WELD #123Location:NESE 10 5N65W 6
Field:WATTENBERG - #90750Elevation:4616 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1495FSL  335 FELLat/Long: 40.410696 / -104.641227Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.410696 / -104.641227Lat/Long Source: Field Measured
 
FracFocus
Disclosure: Sidetrack #00
Start Date: 2/11/2016
End Date: 2/25/2016
Reported: 11/1/2016
Days to report: 250
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 12/1/2025             Measured TD: 14145 ft.    Vertical TD: 6878 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 12/1/2025
Wellbore PermitHORIZONTAL
Permit #: Expiration Date:2/2/2017
Proposed Top PZ Location:Sec:10 Twp: 5N 65W Footage: 181 FSL  683 FEL
Bottom Hole Location:Sec:9 Twp: 5N 65W Footage: 166 FSL  2168 FEL
Proposed Depth/Form:12780 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 480, Drill Unit: GWA
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 750 ft., Weight: 36 , Citings Type: PLANNED
Cement:Sacks: 333, Top: 0 ft., Bottom: 750 ft.
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7388 ft., Weight: 29 , Citings Type: PLANNED
Cement:Sacks: 578, Top: 0 ft., Bottom: 7388 ft.
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6688 ft., Depth: 14064 ft., Weight: 13.5 , Citings Type: PLANNED
Cement:Sacks: 566, Top: 6688 ft., Bottom: 14064 ft.

Wellbore Completed
Completion Date:7/1/2015
Spud Date:4/1/2015Spud Date Is:ACTUAL
Measured TD:14145 ft.Measured PB depth:14095 ft.
True Vertical TD:6878 ft.True Vertical PB depth:6878 ft.
Top PZ Location:Sec:10 Twp: 5N 65WFootage: 181 FSL  683 FEL
Bottom Hole Location:Sec:9 Twp: 5N 65WFootage: 166 FSL  2168 FEL
Log Types:MWD, Mud, CBL
Casing:String Type: CONDUCTOR, Hole Size: 26 in., Size: 16 in., Top: 0 ft., Depth: 80 ft., Weight: 43 , Citings Type: ACTUAL
Cement:Sacks: 400, Top: 0 ft., Bottom: 80 ft., Determination Method: VISU
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 790 ft., Weight: 36 , Citings Type: ACTUAL
Cement:Sacks: 250, Top: 0 ft., Bottom: 790 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 8.75 in., Size: 7 in., Top: 0 ft., Depth: 7442 ft., Weight: 29 , Citings Type: ACTUAL
Cement:Sacks: 685, Top: 400 ft., Bottom: 7442 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: 6.125 in., Size: 4.5 in., Top: 6554 ft., Depth: 14141 ft., Weight: 13.5 , Citings Type: ACTUAL
Cement:Sacks: 590, Top: 6554 ft., Bottom: 14141 ft., Determination Method: CALC
FormationInterval TopLog BottomCoredDSTs
PARKMAN3725 ft.NN
SUSSEX4205 ft.4313 ft.NN
SHARON SPRINGS6778 ft.NN
NIOBRARA6876 ft.NN

Formation NBRR                     Formation Classification:  OW                     Status:  PR - 12/1/2025                 Interval Top: 7465 ft.    Interval Bottom: 13953 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:5/27/2016Choke Size: 
Formation Name:NIOBRARACommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Type:FRACTURE STIMULATION
Treatment Date:2/11/2016Treatment End Date:2/25/2016
Treatment Summary:Frac 43 stages (plug and perf) with 143,702 bbls hybrid fluid (slickwater and crosslink) 8,577,264 lbs of sand
Total fluid used in treatment (bbls):143702Max pressure during treatment (psi):8583
Total gas used in treatment (mcf):Fluid density (lbs/gal):8.34
Type Of gas:Number Of staged intervals:43
Total acid used in treatment (bbls):540Min frac gradient (psi/ft):0.97
Recycled water used in treatment (bbls):Total flowback volume recovered (bbls):
Fresh water used in treatment (bbls):143162Disposition method For flowback:
Total proppant used (lbs):8577264Green 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:
Initial Test Data:
Test Date:5/30/2016Test Method:flowing
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 226
BBLS_OIL 474
BTU_GAS 1295
CALC_BBLS_H2O 226
CALC_BBLS_OIL 474
CALC_GOR 3544
CALC_MCF_GAS 1680
CASING_PRESS 1900
GRAVITY_OIL 53
MCF_GAS 1680
Perforation Data:
Interval Top:7465 ft.# Of Holes:1204
Interval Bottom:13953 ft.Hole Size:0.35 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)351
Total Gas Produced (MCF)4772
GOR13595
GOR DeterminationBOE
Average BOE per Day3.156
Average MCFE per Day18.298

 Federal Financial Assurance  i 

 Tribal Well  i No