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 Surface Location
 API# 05-123-26717		Well Classification: GW Status: PA - 12/22/2023
Well Name/No:SANDAU X4 #3-1-6
(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:PAStatus Date12/22/2023
FacilityID:296276LocationID:332840
County:WELD #123Location:NESW 31 5N65W 6
Field:WATTENBERG - #90750Elevation:4659 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2584FSL  1699 FWLLat/Long: 40.355570 / -104.709610Lat/Long Source: Field Measured
As Drilled Location:2579 FSL  1684 FWLLat/Long: 40.355550 / -104.709660Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: AB - 12/22/2023             Measured TD: 8050 ft.    Vertical TD: 7272 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        AB - 12/22/2023
Wellbore PermitDIRECTIONAL
Permit #:20081133 Expiration Date:6/2/2009
Proposed Top PZ Location:Sec: Twp: Footage: 603 FNL  1975 FWL
Bottom Hole Location:Sec:6 Twp: 4N 65W Footage: 603 FNL  1975 FWL
Proposed Depth/Form:8142 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit:JOHNSON SANDAU Unit Number: 
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407-87 , Unit Acreage: 80, Drill Unit: N2NW4
Wellbore Completed
Completion Date:8/21/2008
Spud Date:8/12/2008Spud Date Is:ACTUAL
Measured TD:8050 ft.Measured PB depth:8035 ft.
True Vertical TD:7272 ft.True Vertical PB depth:7258 ft.
Top PZ Location:Sec:6 Twp: 4N 65WFootage: 407 FNL  1930 FWL
Bottom Hole Location:Sec:6 Twp: 4N 65WFootage: 407 FNL  1930 FWL
Log Types:CN/CD/DIL, CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1080 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 760, Top: 0 ft., Bottom: 1080 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8038 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 750, Top: 850 ft., Bottom: 8038 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3891 ft.4025 ft.NN
SUSSEX4710 ft.4925 ft.NN
NIOBRARA7522 ft.7832 ft.NN
FORT HAYS7832 ft.7856 ft.NN
CODELL7856 ft.7876 ft.NN

Formation CODL                     Formation Classification:  GW                     Status:  CM - 2/23/2009                 Interval Top: 7858 ft.    Interval Bottom: 7868 ft.

 Completed Information for Formation CODELL
1st Production Date:2/12/2009Choke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:12/17/2008
Treatment Summary:FRAC W/ 123,144 GAL W/ 270,100# 30/50. SLF 84,168 GALS
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:7858 ft.# Of Holes:4
Interval Bottom:7868 ft.Hole Size:0.42 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  AB - 12/22/2023                Interval Top: 7536 ft.    Interval Bottom: 7868 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:2/12/2009Choke Size:0.188 in.
Formation Name:NIOBRARA-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/23/2009
Treatment Summary:
Tubing Size:2.375 in.Tubing Setting Depth:7844 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:2/23/2009Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 0
BBLS_OIL 66
BTU_GAS 1243
CALC_BBLS_H2O 0
CALC_BBLS_OIL 66
CALC_GOR 18530
CALC_MCF_GAS 1223
CASING_PRESS 3000
GRAVITY_OIL 58
MCF_GAS 1223
Perforation Data:
Interval Top:7536 ft.# Of Holes:
Interval Bottom:7868 ft.Hole Size:

Formation NBRR                     Formation Classification:  GW                     Status:  CM - 2/23/2009                 Interval Top: 7536 ft.    Interval Bottom: 7675 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:2/12/2009Choke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:12/17/2008
Treatment Summary:'A' (7536-7546) & 'B' (7665-7675) BENCHES: FRAC W/ 164,472 GAL W/ 12,000# 12/20 SBXL & 238,860# 30/50. SLF 88,452 GALS.
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:7536 ft.# Of Holes:4
Interval Bottom:7675 ft.Hole Size:0.7 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY12/22/2023
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)0
Total Gas Produced (MCF)0
GOR
GOR Determination 
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No