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COGIS - WELL SCOUT CARD

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 Surface Location
 API# 05-123-23100
Well Classification: OW Status: PA - 1/29/2026
Well Name/No:CLARK #12-27
(Click Well Name for Production Data)
Click Here for Transporter Gatherer Info
Operator:PDC ENERGY INC - 69175
(Click Operator Name for Company Detail Report)
Federal Or State Lease #:
Facility Status:PAStatus Date1/29/2026
FacilityID:278870LocationID:305529
County:WELD #123Location:SWNW 27 7N65W 6
Field:WATTENBERG - #90750Elevation:4810 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1790FNL  860 FWLLat/Long: 40.548803 / -104.655739Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.548780 / -104.655750Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: AB - 1/29/2026             Measured TD: 7385 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        AB - 1/29/2026
Wellbore Permit
Permit #:20052072 Expiration Date:7/18/2006
Proposed Depth/Form:8310 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: DKTA , Formation: DAKOTA , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: JSND , Formation: J SAND , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: , Unit Acreage: , Drill Unit:
Casing:String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: , Weight: , Citings Type: PLANNED
Cement:Sacks: 225, Top: 3810 ft., Bottom: 6810 ft.

Wellbore Completed
Completion Date:8/8/2005
Spud Date:7/28/2005Spud Date Is:ACTUAL
Measured TD:7385 ft.Measured PB depth:7360 ft.
True Vertical TD:True Vertical PB depth:
Log Types:COMPENSATED DENSITY, COMPENSATED NEUTRON, DUAL INDUCTION, GR, CEMENT BOND LOG, CCL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 554 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 300, Top: 0 ft., Bottom: 554 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7360 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 130, Top: 6405 ft., Bottom: 7360 ft., Determination Method: CBL
Casing:String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 6405 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 330, Top: 2805 ft., Bottom: 6405 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
GREELEY SAND3150 ft.NN
PARKMAN3785 ft.NN
SUSSEX4187 ft.NN
SHANNON4488 ft.NN
NIOBRARA6880 ft.NN
FORT HAYS7127 ft.NN
CODELL7170 ft.NN
CARLILE7205 ft.NN
GREENHORN7250 ft.NN

Formation CODL                     Formation Classification:  GW                     Status:  AB - 1/29/2026                 Interval Top: 7182 ft.    Interval Bottom: 7190 ft.

 Completed Information for Formation CODELL
1st Production Date:N/AChoke Size: 
Formation Name:CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:8/8/2005
Treatment Summary:8/8/05 BJ SERVICES FRACED WITH 2685 BBL OF VISTAR 20# GEL SYSTEM USING 217540# OF 20/40 FRAC SAND AND 8000# OF RESIN COATED SUPER LC 20/40 MESH SAND.
Tubing Size:2.375 in.Tubing Setting Depth:7165 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:9/1/2005Test Method:FLOWING
Hours Tested:24Gas Type:DRY
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 8
BBLS_OIL 35
BTU_GAS 1321
CALC_GOR 1628
CASING_PRESS 1000
GRAVITY_OIL 42
MCF_GAS 57
TUBING_PRESS 500
Perforation Data:
Interval Top:7182 ft.# Of Holes:24
Interval Bottom:7190 ft.Hole Size:0.34 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY01/29/2026
Out Of Service RepurposedN 
Out Of ServiceYPlugging Due Date
03/31/2029
Inactive ExceptionN 
Noticed InactiveYNoticed Date
02/25/2025
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
January 2025 - December 2025i
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