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COGIS - WELL SCOUT CARD

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 Surface Location
 API# 05-123-30654
Well Classification: OW Status: PR - 3/1/2022
Well Name/No:CHALK #31-13
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:STRACHAN EXPLORATION INC - 83130
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:PRStatus Date3/1/2022
FacilityID:413306LocationID:413187
County:WELD #123Location:SWSW 31 8N59W 6
Field:CROW - #13600Elevation:4957 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:620FSL  620 FWLLat/Long: 40.613280 / -104.028450Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.613290 / -104.028465Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification:              Status: PR - 3/1/2022             Measured TD: 7018 ft.

 Wellbore Data for Original WellboreWellbore Classification:         PR - 3/1/2022
Wellbore Permit
Permit #:Expiration Date:10/1/2010
Proposed Depth/Form:7050 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: DSND , Formation: D SAND , Order: , Unit Acreage: , Drill Unit:

Wellbore Completed
Completion Date:N/A
Spud Date:10/17/2009Spud Date Is:ACTUAL
Measured TD:7018 ft.Measured PB depth:6978 ft.
True Vertical TD:True Vertical PB depth:
Log Types:DUAL INDUCTION GR, COMPENSATED NEUTRON DENSITY GR, CBL
Log Types:
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 388 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 375, Top: 0 ft., Bottom: 388 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.75 in., Size: 5.5 in., Top: 0 ft., Depth: 7001 ft., Weight: 15.5 , Citings Type: ACTUAL
Cement:Sacks: 200, Top: 5580 ft., Bottom: 7001 ft., Determination Method: CBL
Casing:String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 610 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 202, Top: 280 ft., Bottom: 500 ft., Determination Method: CBL
Additional Cement:String Type: 1ST , Top: 3412 ft., Depth: 3412 ft., Bottom: 3428 ft., Sacks: 50, Method: SQUEEZE
FormationInterval TopLog BottomCoredDSTs
D SAND6820 ft.6845 ft.NN
J SAND6906 ft.7018 ft.NN

Formation DSND                     Formation Classification:  OW                     Status:  PR - 3/1/2022                  Interval Top: 6822 ft.    Interval Bottom: 6844 ft.

 Completed Information for Formation D SAND
1st Production Date:1/1/2010Choke Size: 
Formation Name:D SANDCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:12/9/2009
Treatment Summary:STIMULATED WITH 740 BBLS GELLED WATER, 50,000 POUNDS OF PROPANT AND 20 TONS CARBON DIOXIDE, PUMPED AT 30 BARRELS A MINUTE DOWN 5 1/2" CASING AT AN AVERAGE INJECTION PRESSURE OF 3000 PSIG.
Tubing Size:2.375 in.Tubing Setting Depth:6836 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:1/4/2010Test Method:PUMPING UNIT
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_OIL 84
BTU_GAS 1227
CALC_GOR 1190
GRAVITY_OIL 42
MCF_GAS 100
Perforation Data:
Interval Top:6822 ft.# Of Holes:64
Interval Bottom:6844 ft.Hole Size:0.375 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)1179
Total Gas Produced (MCF)1892
GOR1604
GOR DeterminationBOE
Average BOE per Day4.110
Average MCFE per Day23.857

 Federal Financial Assurance  i 

 Tribal Well  i No