Facility Detail

COGIS - WELL SCOUT CARD

Insp

Surface Location
API# 05-123-15348

Well Classification: GW

Status: SI - 5/1/2025

Well Name/No:

MILLER ESTATE #8-11K
(Click Well Name for Production Data)

Click Here for Transporter Gatherer Info

Operator:

KERR MCGEE OIL & GAS ONSHORE LP - 47120
(Click Operator Name for Company Detail Report)

Federal Or State Lease #:

Facility Status:

Status Date

5/1/2025

FacilityID:

247551

LocationID:

327944

County:

WELD #123

Location:

NESW 8 3N66W 6

Field:

WATTENBERG - #90750

Elevation:

4858 ft.

Basin:

DENVER (DJ) BASIN

Planned Location:

1991FSL 1971 FWL

Lat/Long: 40.237456 / -104.803601

Lat/Long Source: Calculated From Footages

As Drilled Location:

Footages Not Available

Lat/Long: 40.237510 / -104.803410

Lat/Long Source: Field Measured

Disclosure: Sidetrack #00
Start Date: 1/5/2011
End Date: 1/5/2011
Reported: 4/13/2011
Prior to rule 205A.b.(2)(A)
Days to report: 98

Wellbore And Formation Details -- select either a wellbore Or formation to expand.

Wellbore #00 Wellbore Classification: GW Status: SI - 5/1/2025 Measured TD: 8077 ft.

Wellbore Data for Original Wellbore		Wellbore Classification: GW SI - 5/1/2025
Wellbore Permit
Permit #:	20000097	Expiration Date:	2/9/2001
Proposed Depth/Form:	8150 ft.
Surface Mineral Owner Same:	No
Mineral Owner:	FEE	Surface Owner:	FEE
Unit:		Unit Number:
Formation And Spacing:	Code: DKTA , Formation: DAKOTA , Order: 499 , Unit Acreage: 320, Drill Unit: W2
Formation And Spacing:	Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: W2
Formation And Spacing:	Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407 , Unit Acreage: 80, Drill Unit: E2SW

Wellbore Completed
Completion Date:	3/22/2000
Spud Date:	2/22/1992	Spud Date Is:	ACTUAL
Measured TD:	8077 ft.	Measured PB depth:
True Vertical TD:		True Vertical PB depth:
Log Types:	FIL, FDC, CBL
Log Types:	SAAILC,SACNLD,CBL
Casing:	String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 510 ft., Weight: 24 , Citings Type: ACTUAL
Cement:	Sacks: 265, Top: 0 ft., Bottom: 510 ft., Determination Method: VISU
Casing:	String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7492 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:	Sacks: 200, Top: 6214 ft., Bottom: 7492 ft., Determination Method: CBL
Casing:	String Type: 1ST LINER, Hole Size: 3.875 in., Size: 2.875 in., Top: 7445 ft., Depth: 8075 ft., Weight: 6.5 , Citings Type: ACTUAL
Cement:	Sacks: 35, Top: 7445 ft., Bottom: 8075 ft., Determination Method: CBL
Formation	Interval Top	Log Bottom	Cored	DSTs
PARKMAN	3863 ft.		N	N
SUSSEX	4325 ft.		N	N
NIOBRARA	7053 ft.		N	N
FORT HAYS	7348 ft.		N	N
CODELL	7369 ft.		N	N
J SAND	7810 ft.		N	N
DAKOTA	8024 ft.		N	N

Formation JSND Formation Classification: GW Status: TA - 4/17/2025 Interval Top: 7827 ft. Interval Bottom: 7877 ft.

Completed Information for Formation J SAND

1st Production Date:	3/28/2000	Choke Size:
Formation Name:	J SAND	Commingled:
Production Method:
Open Hole Completion:

Formation Treatment
Treatment Date:	12/27/2010
Treatment Summary:	sand plug @ 7438'
Formation Treatment
Treatment Date:	3/22/2000
Treatment Summary:	FRAC'D JSND W/560160# 20/40 MESH; 237930 GAL GELLED FLUID.

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_OIL	9
CALC_BBLS_H2O	0
CALC_BBLS_OIL	9
CALC_GOR	69556
CALC_MCF_GAS	626
CASING_PRESS	620
GRAVITY_OIL	60
MCF_GAS	626
TUBING_PRESS	450

Perforation Data:
Interval Top:	7827 ft.	# Of Holes:	100
Interval Bottom:	7877 ft.	Hole Size:

Formation JDCNB Formation Classification: GW Status: CM - 4/28/2025 Interval Top: 7079 ft. Interval Bottom: 7387 ft.

Completed Information for Formation J-D-CODELL-NIOBRARA

1st Production Date:	5/12/2000	Choke Size:
Formation Name:	J-D-CODELL-NIOBRARA	Commingled:
Production Method:
Open Hole Completion:

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 JDCNB.

Perforation Data:
Interval Top:	7079 ft.	# Of Holes:	195
Interval Bottom:	7387 ft.	Hole Size:

Formation JNBCD Formation Classification: GW Status: CM - 5/12/2000 Interval Top: 7079 ft. Interval Bottom: 7387 ft.

Completed Information for Formation J-NIOBRARA-CODELL

1st Production Date:	5/12/2000	Choke Size:	0.250 in.
Formation Name:	J-NIOBRARA-CODELL	Commingled:
Production Method:	PLUNGER
Open Hole Completion:

Formation Treatment
Treatment Date:	3/22/2000
Treatment Summary:	COMMINGLED.

Test Type	Measure
Tubing Size:	2.375 in.	Tubing Setting Depth:	7421 ft.
Tubing Packer Depth:		Tubing Multiple Packer:
Open Hole Top:		Open Hole Bottom:
Initial Test Data:
Test Date:	5/12/2000	Test Method:	PLUNGER
Hours Tested:	24	Gas Type:
Gas Disposal:	SOLD
BBLS_H2O	0
BBLS_OIL	9
CALC_BBLS_H2O	0
CALC_BBLS_OIL	9
CALC_GOR	69556
CALC_MCF_GAS	626
CASING_PRESS	620
GRAVITY_OIL	60
MCF_GAS	626
TUBING_PRESS	450

Perforation Data:
Interval Top:	7079 ft.	# Of Holes:
Interval Bottom:	7387 ft.	Hole Size:

Formation NB-CD Formation Classification: GW Status: SI - 5/1/2025 Interval Top: 7079 ft. Interval Bottom: 7382 ft.

Completed Information for Formation NIOBRARA-CODELL

1st Production Date:	2/18/2011	Choke Size:
Formation Name:	NIOBRARA-CODELL	Commingled:
Production Method:
Open Hole Completion:

Formation Treatment
Treatment Date:	1/5/2011
Treatment Summary:	Re-Frac Codell down 2-7/8" Tbg w/ Pkr ^ Nio w/ 122,325 gal Super Z LpH w/ 261,020# 20/40, 4,000# SB Excel. No treatment done on the Niobrara. Returned downline on 1/25/2011.
Formation Treatment
Treatment Date:	3/22/2000
Treatment Summary:	7371-7387' ACIDIZE W/500 GAL 7.5% HCI; FRAC W/65,000 GAL 2% KCI WTR W/40# GUAR W/10,000# 100 MESH SAND & 200,000# 20/40 MESH SAND. 7079-7235' ACIDIZE W/1,000 GAL 7.5% HCI; FRAC W/70,980 GAL 2% KCI WTR W/40# HPG; W/12,940# 100 MESH SAND & 163,000# 20/40 MESH 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	9
BBLS_OIL	3
BTU_GAS	1235
CALC_BBLS_H2O	9
CALC_BBLS_OIL	3
CALC_GOR	30333
CALC_MCF_GAS	91
CASING_PRESS	316
GRAVITY_OIL	58
MCF_GAS	91
TUBING_PRESS	248

Perforation Data:
Interval Top:	7079 ft.	# Of Holes:	95
Interval Bottom:	7382 ft.	Hole Size:

All Designations		Date
Primary Well Designation: Reported Plugged i
Reported Plugged	Y	02/02/2026
Out Of Service Repurposed	N
Out Of Service	Y	Plugging Due Date 12/31/2030
Inactive Exception	N
Noticed Inactive	N
Defined Inactive (SI )	Y	Defined Inactive 12/17/2024
Low Producing	Y	Production Period 12/2024 - 11/2025

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

Federal Financial Assurance

Tribal Well