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 Surface Location
 API# 05-123-24601		Well Classification: GW Status: SI - 3/1/2025
Well Name/No:HERRMAN #21-10
(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:SIStatus Date3/1/2025
FacilityID:288520LocationID:336694
County:WELD #123Location:NWNE 10 3N66W 6
Field:WATTENBERG - #90750Elevation:4870 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:704FNL  1980 FELLat/Long: 40.244810 / -104.760940Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 40.244801 / -104.760941Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 3/1/2025             Measured TD: 8050 ft.    Vertical TD: 7957 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 3/1/2025
Wellbore PermitDIRECTIONAL
Permit #: Expiration Date:11/24/2011
Proposed Top PZ Location:Sec:10 Twp: 3N 66W Footage: 1250 FNL  2610 FEL
Bottom Hole Location:Sec:10 Twp: 3N 66W Footage: 1261 FNL  2624 FEL
Proposed Depth/Form:8050 ft.
Surface Mineral Owner Same:No
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: N/2
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407-37 , Unit Acreage: 160, Drill Unit: GWA
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 583 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 410, Top: 0 ft., Bottom: 583 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8051 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 560, Top: 3760 ft., Bottom: 8051 ft.
Wellbore Completed
Completion Date:3/24/2007
Spud Date:3/17/2007Spud Date Is:ACTUAL
Measured TD:8050 ft.Measured PB depth:7982 ft.
True Vertical TD:7957 ft.True Vertical PB depth:7889 ft.
Top PZ Location:Sec:10 Twp: 3N 66WFootage: 1250 FNL  2610 FEL
Bottom Hole Location:Sec:10 Twp: 3N 66WFootage: 1261 FNL  2624 FEL
Log Types:CDL-CNL-DIL-CBL-ML
Log Types:
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 584 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 410, Top: 0 ft., Bottom: 584 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8011 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 560, Top: 3750 ft., Bottom: 8011 ft., Determination Method: CBL
Casing:String Type: S.C. 1.1, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 1494 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 260, Top: 420 ft., Bottom: 1493 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3946 ft.NN
SUSSEX4398 ft.NN
NIOBRARA7118 ft.NN
FORT HAYS7393 ft.NN
CODELL7416 ft.NN
J SAND7881 ft.NN

Formation JSND                     Formation Classification:  GW                     Status:  AB - 7/8/2025                  Interval Top: 7898 ft.    Interval Bottom: 7928 ft.

 Completed Information for Formation J SAND
1st Production Date:3/15/2010Choke Size: 
Formation Name:J SANDCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:3/8/2010
Treatment Summary:FRAC JSND W/ 163,024 GAL SW & 115,280# 40/70 SAND & 4,000# 20/40 SB EXCEL.
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
BTU_GAS 1200
CALC_BBLS_H2O 0
CALC_BBLS_OIL 2
CALC_GOR 78000
CALC_MCF_GAS 156
CASING_PRESS 300
GRAVITY_OIL 62
Perforation Data:
Interval Top:7898 ft.# Of Holes:60
Interval Bottom:7928 ft.Hole Size:0.38 in.

Formation CODL                     Formation Classification:  GW                     Status:  CM - 7/8/2025                  Interval Top: 7416 ft.    Interval Bottom: 7430 ft.

 Completed Information for Formation CODELL
1st Production Date:5/2/2007Choke Size: 
Formation Name:CODELLCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:4/24/2007
Treatment Summary:166,068 GALS FLUID & 115,760 LBS 30/50 SAND
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 CODL.
Perforation Data:
Interval Top:7416 ft.# Of Holes:56
Interval Bottom:7430 ft.Hole Size:0.38 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  AB - 7/8/2025                  Interval Top: 7122 ft.    Interval Bottom: 7430 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:3/15/2010Choke Size: 
Formation Name:NIOBRARA-CODELLCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:4/26/2007
Treatment Summary:NBRR - PERF 7122-7290 HOLES 113 SIZE 0.42. CODL - PERF 7416-7430 HOLES 56 SIZE 0.38. NO ADDITIONAL TREATMENT.
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_OIL 22
BTU_GAS 1200
CALC_BBLS_H2O 0
CALC_BBLS_OIL 2
CALC_GOR 78000
CALC_MCF_GAS 156
CASING_PRESS 300
GRAVITY_OIL 62
MCF_GAS 591
Perforation Data:
Interval Top:7122 ft.# Of Holes:169
Interval Bottom:7430 ft.Hole Size:0.38 in.

Formation NBRR                     Formation Classification:  GW                     Status:  CM - 7/8/2025                  Interval Top: 7122 ft.    Interval Bottom: 7290 ft.

 Completed Information for Formation NIOBRARA
1st Production Date:5/2/2007Choke Size: 
Formation Name:NIOBRARACommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:4/26/2007
Treatment Summary:176,818 GALS FLUID & 250,320 LBS 30/50 SAND
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 NBRR.
Perforation Data:
Interval Top:7122 ft.# Of Holes:113
Interval Bottom:7290 ft.Hole Size:0.42 in.
Primary Well Designation:
Reported Plugged      i
            All DesignationsDate
Reported PluggedY02/24/2026
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingYProduction Period
12/2024 - 11/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
December 2024 - November 2025i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)80
GOR
GOR DeterminationMCFE
Average BOE per Day0.038
Average MCFE per Day0.216

 Federal Financial Assurance  i 

 Tribal Well  i No