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 Surface Location
 API# 05-013-06275
Well Classification: GW Status: SI - 12/1/2025
Well Name/No:MARY MILLER #3-35
(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:SIStatus Date12/1/2025
FacilityID:206780LocationID:321365
County:BOULDER #013Location:SWNE 35 1N69W 6
Field:WATTENBERG - #90750Elevation:5204 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1980FNL  1980 FELLat/Long: 40.009368 / -105.081548Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.009380 / -105.081580Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 12/1/2025             Measured TD: 8688 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 12/1/2025
Wellbore Permit
Permit #:20042142 Expiration Date:9/21/2005
Proposed Depth/Form:8750 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: JSND , Formation: J SAND , Order: , Unit Acreage: 320, Drill Unit: E/2
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407 , Unit Acreage: 160, Drill Unit: NE4
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 728 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 385, Top: 0 ft., Bottom: 728 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8282 ft., Weight: 7.7 , Citings Type: PLANNED
Cement:Sacks: 260, Top: 6490 ft., Bottom: 8282 ft.

Wellbore Completed
Completion Date:8/14/2005
Spud Date:7/12/2005Spud Date Is:ACTUAL
Measured TD:8688 ft.Measured PB depth:8681 ft.
True Vertical TD:True Vertical PB depth:
Log Types:CBL
Log Types:DIL, CNDL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 728 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 385, Top: 0 ft., Bottom: 728 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8282 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 290, Top: 6490 ft., Bottom: 8282 ft., Determination Method: CBL
Casing:String Type: 1ST LINER, Hole Size: , Size: 2.875 in., Top: 8185 ft., Depth: 8688 ft., Weight: 6.5 , Citings Type: ACTUAL
Cement:Sacks: 10, Top: 8216 ft., Bottom: 8688 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
NIOBRARA7640 ft.NN
FORT HAYS8085 ft.NN
CODELL8105 ft.NN
J SAND8545 ft.NN

Formation JSND                     Formation Classification:  GW                     Status:  SI - 12/1/2025                 Interval Top: 8522 ft.    Interval Bottom: 8548 ft.

 Completed Information for Formation J SAND
1st Production Date:N/AChoke Size: 
Formation Name:J SANDCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:8/14/2005
Treatment Summary:PERF J SAND 8522-8526' & 8535-8548' (68 HOLES), 7/21/05. FRAC JSND W/69,048 GAL SILVERSTIM 24# GEL; 213,460# 20/40 OTTAWA SAND & 12,000# 16/30 SB EXCEL, 8/5/05. COMMINGLE W/CODELL & NIOBRARA, 8/14/05.
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 JSND.
Perforation Data:
Interval Top:8522 ft.# Of Holes:68
Interval Bottom:8548 ft.Hole Size:0.29 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  SI - 12/1/2025                 Interval Top: 7691 ft.    Interval Bottom: 8117 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:N/AChoke Size:0.219 in.
Formation Name:NIOBRARA-CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:8/14/2005
Treatment Summary:MAGMA FIBERS (3SX) ACROSS CODELL & NIOBRARA PERFS, 7/11/2005; COMMINGLE W/J SAND 8/14/05. TEST INFO JSND-NB-CD
Tubing Size:1.5 in.Tubing Setting Depth:8497 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:8/24/2005Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 12
BBLS_OIL 0
BTU_GAS 1145
CALC_BBLS_H2O 12
CALC_GOR 0
CALC_MCF_GAS 212
CASING_PRESS 820
GRAVITY_OIL 48
MCF_GAS 212
TUBING_PRESS 810
Perforation Data:
Interval Top:7691 ft.# Of Holes:11
Interval Bottom:8117 ft.Hole Size:
Primary Well Designation:
Low Producing      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingYProduction Period
01/2025 - 12/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
January 2025 - December 2025i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)34
GOR
GOR DeterminationMCFE
Average BOE per Day0.014
Average MCFE per Day0.093

 Federal Financial Assurance  i 

 Tribal Well  i No