Facility Detail

COGIS - WELL SCOUT CARD

Related Insp MIT GIS Doc COA Wellbore Orders Bradenhead
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:	TA	Status Date	6/9/2025
FacilityID:	419216	LocationID:	419227
County:	WELD #123	Location:	NWSE 4 6N65W 6
Field:	EATON - #19350	Elevation:	4768 ft.
Basin:	DENVER (DJ) BASIN
Planned Location:	2224FSL 1882 FEL	Lat/Long: 40.514646 / -104.665575	Lat/Long Source: Field Measured
As Drilled Location:	Footages Not Available	Lat/Long: 40.514651 / -104.665594	Lat/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 Wellbore		Wellbore 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:	FEE	Surface 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:	12/14/2010	Spud 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
Formation	Interval Top	Log Bottom	Cored	DSTs
PARKMAN	3725 ft.	3901 ft.
SUSSEX	4125 ft.	4225 ft.
SHANNON	4405 ft.	4450 ft.
NIOBRARA	6817 ft.	7068 ft.
FORT HAYS	7068 ft.	7102 ft.
CODELL	7102 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:	2/9/2011	Choke Size:
Formation Name:	CODELL	Commingled:	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.

Test Type	Measure
Tubing Size:		Tubing Setting Depth:
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	N/A	Test Method:
Hours Tested:		Gas Type:
Gas Disposal:
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.

All Designations		Date
Primary Well Designation: Noticed Inactive i
Reported Plugged	N
Out Of Service Repurposed	N
Out Of Service	N
Inactive Exception	N
Noticed Inactive	Y	Noticed Date 12/08/2022
Defined Inactive (TA )	Y	Defined Inactive 05/17/2025
Low Producing	Y	Production Period 11/2024 - 10/2025

November 2024 - October 2025	i
BOE/MCFE/GOR Calculations Production for Previous 12 Months
Total Oil Produced (Barrels)	0
Total Gas Produced (MCF)	0
GOR
GOR Determination
Average BOE per Day	0.000
Average MCFE per Day	0.000

Federal Financial Assurance

Tribal Well