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 Surface Location
 API# 05-123-20692		Well Classification: GW Status: PA - 12/7/2018
Well Name/No:ZEHNDER #15-23A
(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:PAStatus Date12/7/2018
FacilityID:262054LocationID:332979
County:WELD #123Location:SWSE 23 1N67W 6
Field:WATTENBERG - #90750Elevation:4985 ft.
Planned Location:612FSL  1872 FELLat/Long: 40.030958 / -104.855181Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.031010 / -104.855100Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: PA - 12/7/2018             Measured TD: 8275 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        PA - 12/7/2018
Wellbore PermitDRIFTED
Permit #:20031922 Expiration Date:10/21/2004
Proposed Depth/Form:8275 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 320, Drill Unit: E2
Formation And Spacing:Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407 , Unit Acreage: 160, Drill Unit: SE/4
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 938 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 660, Top: 0 ft., Bottom: 938 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8267 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 260, Top: 6850 ft., Bottom: 8267 ft.
Casing:String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 5029 ft., Weight: , Citings Type: PLANNED
Cement:Sacks: 230, Top: 4130 ft., Bottom: 5034 ft.
Casing:String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 5029 ft., Weight: , Citings Type: PLANNED
Cement:Sacks: 230, Top: 4130 ft., Bottom: 5034 ft.
Wellbore Completed
Completion Date:1/29/2002
Spud Date:1/10/2002Spud Date Is:ACTUAL
Measured TD:8275 ft.Measured PB depth:8237 ft.
True Vertical TD:True Vertical PB depth:
Log Types:DIGLGR, CDCNGR, CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 938 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 660, Top: 0 ft., Bottom: 938 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8267 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 260, Top: 6858 ft., Bottom: 8267 ft., Determination Method: CBL
Casing:String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 5028 ft., Weight: , Citings Type: ACTUAL
Cement:Sacks: 230, Top: 4160 ft., Bottom: 5034 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
SUSSEX4721 ft.NN
NIOBRARA7272 ft.NN
FORT HAYS7650 ft.NN
CODELL7671 ft.NN
J SAND8101 ft.NN

Formation JSND                     Formation Classification:  GW                     Status:  AB - 12/7/2018                 Interval Top: 8110 ft.    Interval Bottom: 8139 ft.

 Completed Information for Formation J SAND
1st Production Date:2/25/2002Choke Size: 
Formation Name:J SANDCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:1/29/2002
Treatment Summary:255,890 GAL FLUID; 82,740# 20/40 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_OIL 9
CALC_BBLS_OIL 9
CALC_GOR 13333
CALC_MCF_GAS 120
CASING_PRESS 900
GRAVITY_OIL 53
MCF_GAS 120
TUBING_PRESS 800
Perforation Data:
Interval Top:8110 ft.# Of Holes:72
Interval Bottom:8139 ft.Hole Size:0.38 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  AB - 12/7/2018                 Interval Top: 7274 ft.    Interval Bottom: 7684 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:3/17/2004Choke Size: 
Formation Name:NIOBRARA-CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:1/29/2002
Treatment Summary:CODELL-NIOBRARA 159528 GAL FLUID FRAC INFO REPRESENTS; CODELL-NIOBRARA 105140 LBS 20/40 SAND
Tubing Size:2.375 in.Tubing Setting Depth:8078 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:N/ATest Method:
Hours Tested:Gas Type:SHALE
Gas Disposal:
Test TypeMeasure
BBLS_H2O 0
BBLS_OIL 18
CALC_BBLS_H2O 0
CALC_BBLS_OIL 18
CALC_GOR 2500
CALC_MCF_GAS 45
CASING_PRESS 447
GRAVITY_OIL 47
MCF_GAS 45
TUBING_PRESS 447
Perforation Data:
Interval Top:7274 ft.# Of Holes:26
Interval Bottom:7684 ft.Hole Size:0.42 in.

Formation JNBCD                   Formation Classification:  GW                   Status:  CM - 1/4/2005

 Completed Information for Formation J-NIOBRARA-CODELL
1st Production Date:N/AChoke Size: 
Formation Name:J-NIOBRARA-CODELLCommingled:No
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:1/29/2002
Treatment Summary:
Tubing Size:2.375 in.Tubing Setting Depth:8078 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:1/4/2005Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_OIL 15
CALC_BBLS_OIL 15
CALC_GOR 7866
CALC_MCF_GAS 118
CASING_PRESS 800
MCF_GAS 118
TUBING_PRESS 100
Perforation Data:
Interval Top:# Of Holes:
Interval Bottom:Hole Size:
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY12/07/2018
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
April 2024 - March 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