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COGIS - WELL SCOUT CARD

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 Surface Location
 API# 05-123-32187
Well Classification: OW Status: TA - 6/9/2025
Well Name/No:Ahnstedt #10-4
(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:TAStatus Date6/9/2025
FacilityID:419216LocationID:419227
County:WELD #123Location:NWSE 4 6N65W 6
Field:EATON - #19350Elevation:4768 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:2224FSL  1882 FELLat/Long: 40.514646 / -104.665575Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.514651 / -104.665594Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: TA - 6/9/2025             Measured TD: 7323 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        TA - 6/9/2025
Wellbore Permit
Permit #: Expiration Date:9/7/2012
Proposed Depth/Form:7323 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407 , Unit Acreage: 80, Drill Unit: N/2SE4
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 540 ft., Weight: 24 pds , Citings Type: PLANNED
Cement:Sacks: 243, Top: 0 ft., Bottom: 540 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 7323 ft., Weight: 11.6 pds , Citings Type: PLANNED
Cement:Sacks: 322, Top: 6608 ft., Bottom: 7323 ft.

Wellbore Completed
Completion Date:12/20/2010
Spud Date:12/14/2010Spud Date Is:ACTUAL
Measured TD:7323 ft.Measured PB depth:7291 ft.
True Vertical TD:True Vertical PB depth:
Top PZ Location:Sec: Twp: Footage: 0 FL  0 FL
Log Types:TRIPLE-COMBO, CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 561 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 400, Top: 0 ft., Bottom: 561 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7307 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 905, Top: 150 ft., Bottom: 7307 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3725 ft.3901 ft.
SUSSEX4125 ft.4225 ft.
SHANNON4405 ft.4450 ft.
NIOBRARA6817 ft.7068 ft.
FORT HAYS7068 ft.7102 ft.
CODELL7102 ft.7122 ft.

Formation CODL                     Formation Classification:  OW                     Status:  TA - 6/9/2025                  Interval Top: 7103 ft.    Interval Bottom: 7120 ft.

 Completed Information for Formation CODELL
1st Production Date:2/9/2011Choke Size: 
Formation Name:CODELLCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:1/15/2011
Treatment Summary:FRACTURE STIMULATED CODELL DOWN CASING WITH 61,691 GAL SLICKWATER AND 151,100# 30/50 SAND.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:N/ATest Method:
Hours Tested:Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 8
BBLS_OIL 150
BTU_GAS 1296
CALC_GOR 1300
CASING_PRESS 1025
GRAVITY_OIL 46
MCF_GAS 195
Perforation Data:
Interval Top:7103 ft.# Of Holes:68
Interval Bottom:7120 ft.Hole Size:0.38 in.
Primary Well Designation:
Noticed Inactive      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveYNoticed Date
12/08/2022
Defined Inactive (TA)YLast Production
01/31/2018
Low ProducingYProduction Period
01/2025 - 12/2025

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