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 Surface Location
 API# 05-123-25898		Well Classification: GW Status: SI - 2/1/2026
Well Name/No:LASALLE PARK Y5 #5-5-31
(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 Date2/1/2026
FacilityID:296128LocationID:332851
County:WELD #123Location:SENW 31 5N65W 6
Field:WATTENBERG - #90750Elevation:4658 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2543FNL  1967 FWLLat/Long: 40.355890 / -104.708650Lat/Long Source: Field Measured
As Drilled Location:2530 FNL  1996 FWLLat/Long: 40.355930 / -104.708540Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 2/1/2026             Measured TD: 7965 ft.    Vertical TD: 7707 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 2/1/2026
Wellbore PermitDIRECTIONAL
Permit #:20081129 Expiration Date:5/19/2009
Proposed Top PZ Location:Sec:31 Twp: 5N 65W Footage: 1849 FSL  2043 FEL
Bottom Hole Location:Sec:31 Twp: 5N 65W Footage: 1849 FSL  2043 FEL
Proposed Depth/Form:7942 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 232-23 , Unit Acreage: 320, Drill Unit: S2
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407-87 318, Unit Acreage: 160, Drill Unit: SE4
Wellbore Completed
Completion Date:10/26/2008
Spud Date:10/20/2008Spud Date Is:ACTUAL
Measured TD:7965 ft.Measured PB depth:7940 ft.
True Vertical TD:7707 ft.True Vertical PB depth:7681 ft.
Top PZ Location:Sec:31 Twp: 5N 65WFootage: 1849 FSL  2043 FEL
Bottom Hole Location:Sec:31 Twp: 5N 65WFootage: 1849 FSL  2043 FEL
Log Types:CBL, MUD, IND/DEN/NEU
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 457 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 212, Top: 0 ft., Bottom: 457 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7965 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 250, Top: 6452 ft., Bottom: 7965 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3675 ft.3798 ft.NN
SUSSEX4420 ft.4626 ft.NN
NIOBRARA7029 ft.7319 ft.NN
FORT HAYS7319 ft.7344 ft.NN
CODELL7344 ft.7359 ft.NN
J SAND7812 ft.NN

Formation CODL                     Formation Classification:  GW                     Status:  CM - 2/26/2009                 Interval Top: 7345 ft.    Interval Bottom: 7355 ft.

 Completed Information for Formation CODELL
1st Production Date:2/14/2009Choke Size: 
Formation Name:CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:1/2/2009
Treatment Summary:FRAC W/134316 GALS W/270300# 30/50 (1/2/09)
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:7345 ft.# Of Holes:4
Interval Bottom:7355 ft.Hole Size:0.42 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  SI - 2/1/2026                  Interval Top: 7041 ft.    Interval Bottom: 7355 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:2/14/2009Choke Size:0.188 in.
Formation Name:NIOBRARA-CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:2/14/2009
Treatment Summary:
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:2/26/2009Test Method:FLOWING
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 0
BBLS_OIL 74
BTU_GAS 1253
CALC_BBLS_H2O 0
CALC_BBLS_OIL 74
CALC_GOR 13041
CALC_MCF_GAS 965
CASING_PRESS 3000
GRAVITY_OIL 59
MCF_GAS 965
Perforation Data:
Interval Top:7041 ft.# Of Holes:
Interval Bottom:7355 ft.Hole Size:

Formation NBRR                     Formation Classification:  GW                     Status:  CM - 2/26/2009                 Interval Top: 7041 ft.    Interval Bottom: 7173 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:2/14/2009Choke Size: 
Formation Name:NIOBRARACommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:1/2/2009
Treatment Summary:"A" 7041-7051 & "B" 7163-7173 BENCHES; FRAC W/168784 GAL W/12000# 12/20 SBXL & 238420 # 30/50
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:7041 ft.# Of Holes:4
Interval Bottom:7173 ft.Hole Size:0.71 in.
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)59
GOR
GOR DeterminationMCFE
Average BOE per Day0.031
Average MCFE per Day0.164

 Federal Financial Assurance  i 

 Tribal Well  i No