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 Surface Location
 API# 05-123-09490		Well Classification: OW Status: PR - 3/1/2025
Well Name/No:ELKHORN COMPANY B #8
(Click Well Name for Production Data)		Click Here for Transporter Gatherer Info
Operator:KP KAUFFMAN COMPANY INC - 46290
(Click Operator Name for Company Detail Report)		Federal Or State Lease #:
Facility Status:PRStatus Date3/1/2025
FacilityID:241701LocationID:318600
County:WELD #123Location:NWNE 21 2N67W 6
Field:SPINDLE - #77900Elevation:5011 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:660FNL  1980 FELLat/Long: 40.129207 / -104.893343Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.129390 / -104.893150Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 3/1/2025             Measured TD: 5196 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 3/1/2025
Wellbore Permit
Permit #:19780437 Expiration Date:9/16/1978
Proposed Depth/Form:5200 ft.
Surface Mineral Owner Same:Not available
Mineral Owner:FEESurface Owner:Not available
Unit: Unit Number: 
Formation And Spacing:Code: SNSD , Formation: SHANNON , Order: , Unit Acreage: 40, Drill Unit:
Wellbore Completed
Completion Date:1/28/1987
Spud Date:5/13/1978Spud Date Is:ACTUAL
Measured TD:5196 ft.Measured PB depth:5148 ft.
True Vertical TD:True Vertical PB depth:
Log Types:SP-IES, FDC GAMMA
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 659 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 475, Top: , Bottom: , Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 5195 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 400, Top: , Bottom: , Determination Method:
FormationInterval TopLog BottomCoredDSTs
SUSSEX4510 ft.NN
SHANNON5051 ft.NN

Formation SNSD                     Formation Classification:  OW                     Status:  CM - 7/1/2002                  Interval Top: 5054 ft.    Interval Bottom: 5080 ft.

 Completed Information for Formation SHANNON
1st Production Date:7/19/1978Choke Size:0.468 in.
Formation Name:SHANNONCommingled:Yes
Production Method:PUMPING
Open Hole Completion:
Formation Treatment
Treatment Date:1/28/1987
Treatment Summary:SUPER K-FRAC: 118,000 GALS FLUID; 72,000# 20/40 MESH; 156,000# 10/20 MESH
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:7/19/1978Test Method:PUMPING
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 15
BBLS_OIL 40
CALC_BBLS_H2O 15
CALC_BBLS_OIL 40
CALC_GOR 3025
CALC_MCF_GAS 121
GRAVITY_OIL 45
MCF_GAS 121
Perforation Data:
Interval Top:5054 ft.# Of Holes:52
Interval Bottom:5080 ft.Hole Size:

Formation SUSX                     Formation Classification:  OW                     Status:  CM - 7/1/2002                  Interval Top: 4622 ft.    Interval Bottom: 4668 ft.

 Completed Information for Formation SUSSEX
1st Production Date:11/21/1986Choke Size: 
Formation Name:SUSSEXCommingled:Yes
Production Method:PUMPING
Open Hole Completion:
Formation Treatment
Treatment Date:1/28/1987
Treatment Summary:FRAC DOWN CASING W/ 790 BBL OIL, 405 BBL 40# GEL. FLUSH W/ 70 BBLS 1.5% KCL WATER, 350,000# 16/30 SAND, & 7,500# 16/30 CRC SAND. ATP 3,300 PSI, ATR 32, BPM
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 SUSX.
Perforation Data:
Interval Top:4622 ft.# Of Holes:184
Interval Bottom:4668 ft.Hole Size:

Formation SX-SN                   Formation Classification:  OW                   Status:  PR - 3/1/2025                  Interval Top: 4622 ft.    Interval Bottom: 5080 ft.

 Completed Information for Formation SUSSEX-SHANNON
1st Production Date:11/21/1986Choke Size: 
Formation Name:SUSSEX-SHANNONCommingled:Yes
Production Method:PUMPING
Open Hole Completion:
Formation Treatment
Treatment Date:1/28/1987
Treatment Summary:350,000# 16/30 SN, 7,500# CRC SN, 790 BLO, 405 BLW, 70 BLW FLUSH; 156,000# 10/20 SN, 72,000# 20/40 SN, 2,810 BLW
Tubing Size:2.375 in.Tubing Setting Depth:5095 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:2/11/1987Test Method:PUMPING
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 2
BBLS_OIL 3
CALC_BBLS_H2O 2
CALC_BBLS_OIL 3
CALC_GOR 10000
CALC_MCF_GAS 30
GRAVITY_OIL 41.5
MCF_GAS 30
Perforation Data:
Interval Top:4622 ft.# Of Holes:236
Interval Bottom:5080 ft.Hole Size:
Primary Well Designation:
Low Producing      i
            All DesignationsDate
Reported PluggedN 
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)114
Total Gas Produced (MCF)89
GOR780
GOR DeterminationBOE
Average BOE per Day0.353
Average MCFE per Day2.019

 Federal Financial Assurance  i 

 Tribal Well  i No