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 Surface Location
 API# 05-013-06291		Well Classification: GW Status: SI - 1/1/2026
Well Name/No:SIMPSON MD #2-7
(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 Date1/1/2026
FacilityID:206796LocationID:321377
County:BOULDER #013Location:SWNE 2 1S69W 6
Field:WATTENBERG - #90750Elevation:5185 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1662FNL  1780 FELLat/Long: 39.995748 / -105.078138Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.995680 / -105.077920Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 1/1/2026             Measured TD: 8661 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 1/1/2026
Wellbore Permit
Permit #:20030189 Expiration Date:2/9/2004
Proposed Depth/Form:8800 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: N/2
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: W2NE
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 849 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 410, Top: 0 ft., Bottom: 849 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8268 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 260, Top: 6978 ft., Bottom: 8268 ft.
Wellbore Completed
Completion Date:6/6/2003
Spud Date:5/9/2003Spud Date Is:ACTUAL
Measured TD:8661 ft.Measured PB depth:8653 ft.
True Vertical TD:True Vertical PB depth:
Log Types:GR, C B L
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 849 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 410, Top: 0 ft., Bottom: 849 ft., Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8268 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 260, Top: 6980 ft., Bottom: 8268 ft., Determination Method:
Casing:String Type: 1ST LINER, Hole Size: 3.875 in., Size: 2.875 in., Top: 8180 ft., Depth: 8658 ft., Weight: 6.5 , Citings Type: ACTUAL
Cement:Sacks: 9, Top: 8265 ft., Bottom: 8658 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
SUSSEX4782 ft.
NIOBRARA7630 ft.NN
FORT HAYS8088 ft.NN
CODELL8110 ft.NN
J SAND8540 ft.NN

Formation JSND                     Formation Classification:  GW                     Status:  SI - 1/1/2026                  Interval Top: 8536 ft.    Interval Bottom: 8565 ft.

 Completed Information for Formation J SAND
1st Production Date:N/AChoke Size:0.438 in.
Formation Name:J SANDCommingled:Yes
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:6/6/2003
Treatment Summary:138,642 GALS SILVERSTIM 24# GEL & 447,020# 20/40 SAND, 5/28/03 COMMINGLED W/CODELL AND NIOBRARA
Tubing Size:1.5 in.Tubing Setting Depth:8514 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:6/18/2003Test Method:FLOWIN
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 13
BBLS_OIL 2
BTU_GAS 1171
CALC_BBLS_H2O 13
CALC_BBLS_OIL 2
CALC_GOR 125000
CALC_MCF_GAS 250
CASING_PRESS 680
GRAVITY_OIL 54
MCF_GAS 250
TUBING_PRESS 380
Perforation Data:
Interval Top:8536 ft.# Of Holes:76
Interval Bottom:8565 ft.Hole Size:

Formation JNBCD                   Formation Classification:  GW                   Status:  CM - 6/18/2003

 Completed Information for Formation J-NIOBRARA-CODELL
1st Production Date:6/6/2003Choke Size: 
Formation Name:J-NIOBRARA-CODELLCommingled:Yes
Production Method:FLOWING
Open Hole Completion:
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 JNBCD.
No Perforation Data was found for formation JNBCD.

Formation NB-CD                   Formation Classification:  GW                   Status:  SI - 1/1/2026

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:4/14/1993Choke Size:1,864.000 in.
Formation Name:NIOBRARA-CODELLCommingled:
Production Method:
Open Hole Completion:
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 NB-CD.
No Perforation Data was found for formation NB-CD.
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
02/2025 - 01/2026

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
February 2025 - January 2026i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)136
GOR
GOR DeterminationMCFE
Average BOE per Day0.064
Average MCFE per Day0.376

 Federal Financial Assurance  i 

 Tribal Well  i No