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 Surface Location
 API# 05-123-32190		Well Classification: GW Status: PA - 10/23/2025
Well Name/No:CORNISH #8-53
(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 Date10/23/2025
FacilityID:419220LocationID:419186
County:WELD #123Location:SWSW 8 6N63W 6
Field:WATTENBERG - #90750Elevation:4691 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1313FSL  1215 FWLLat/Long: 40.497380 / -104.465960Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.497390 / -104.465940Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: AB - 10/23/2025             Measured TD: 6997 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        AB - 10/23/2025
Wellbore Permit
Permit #: Expiration Date:9/7/2012
Proposed Depth/Form:7000 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: , Unit Acreage: 160, Drill Unit: SW/4
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 460 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 300, Top: 0 ft., Bottom: 460 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 7000 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 350, Top: 6250 ft., Bottom: 7000 ft.
Wellbore Completed
Completion Date:9/23/2010
Spud Date:9/20/2010Spud Date Is:ACTUAL
Measured TD:6997 ft.Measured PB depth:6937 ft.
True Vertical TD:True Vertical PB depth:
Log Types:COMPENSATED DENSITY NEUTRON GAMMA RAY, DUAL INDUCTION LOG GAMMA RAY, COMENT BOND-VD
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 588 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 370, Top: 0 ft., Bottom: 588 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 6948 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 590, Top: 1436 ft., Bottom: 6948 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
GREELEY SAND2790 ft.
PARKMAN3564 ft.
SUSSEX4328 ft.
SHANNON4894 ft.
NIOBRARA6514 ft.
FORT HAYS6764 ft.
CODELL6803 ft.

Formation CODL                     Formation Classification:  GW                     Status:  CM - 10/20/2010                Interval Top: 6802 ft.    Interval Bottom: 6814 ft.

 Completed Information for Formation CODELL
1st Production Date:10/9/2010Choke Size: 
Formation Name:CODELLCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:10/6/2010
Treatment Summary:FRAC CODELL WITH 4017 BBLS SLICKWATER AND 115,000 # 30/50 SAND SPEARHEAD 500 BBLS 7% KCL AHEAD OF FRAC TREAT AT AN AVERAGE OF 4649 PSI 63.6 BPM MAX PRESSURE 5358 PSI MAX RATE 63.8 BPM
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:10/20/2010Test Method:FLOWING
Hours Tested:24Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 1
BBLS_OIL 52
BTU_GAS 1242
CALC_GOR 2365
CASING_PRESS 375
GRAVITY_OIL 47
MCF_GAS 123
Perforation Data:
Interval Top:6802 ft.# Of Holes:48
Interval Bottom:6814 ft.Hole Size:0.38 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  AB - 10/23/2025                Interval Top: 6514 ft.    Interval Bottom: 6814 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:1/4/2011Choke Size: 
Formation Name:NIOBRARA-CODELLCommingled:Yes
Production Method:
Open Hole Completion:
Tubing Size:2.375 in.Tubing Setting Depth:6793 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:1/9/2011Test Method:flowing
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 2
BBLS_OIL 40
BTU_GAS 1242
CALC_GOR 1725
CASING_PRESS 1100
GRAVITY_OIL 39
MCF_GAS 69
TUBING_PRESS 900
Perforation Data:
Interval Top:6514 ft.# Of Holes:264
Interval Bottom:6814 ft.Hole Size:

Formation NBRR                     Formation Classification:  GW                     Status:  CM - 11/21/2010                Interval Top: 6514 ft.    Interval Bottom: 6648 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:11/15/2010Choke Size: 
Formation Name:NIOBRARACommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:11/13/2010
Treatment Summary:FRAC NIOBRARA WITH 4149 BBLS DYNAFLOW 2 WR FLUID; 238,000# 30/50 SAND AND 12,000# 20/40 RESIN COATED SAND. SPEARHEAD 24 BBLS 15% ACID AHEAD OF FRAC AND 500 BBLS 7% KCL IN PREPAD. TREAT AT AN AVERAGE OF 4288 PSI 71.2 BPM. MAX PRESSURE 5260 PSI. MAX RATE 72.3 BPM.
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:11/21/2010Test Method:flowing
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 10
BBLS_OIL 52
BTU_GAS 1242
CALC_GOR 2058
CASING_PRESS 350
GRAVITY_OIL 46
MCF_GAS 107
Perforation Data:
Interval Top:6514 ft.# Of Holes:216
Interval Bottom:6648 ft.Hole Size:0.38 in.
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY10/23/2025
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
October 2024 - September 2025i
Total Oil Produced (Barrels)271
Total Gas Produced (MCF)2698
GOR9955
GOR DeterminationBOE
Average BOE per Day2.021
Average MCFE per Day11.712

 Federal Financial Assurance  i 

 Tribal Well  i No