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 Surface Location
 API# 05-123-08774		Well Classification: GW Status: SI - 12/1/2025
Well Name/No:NEFF #2
(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:SIStatus Date12/1/2025
FacilityID:240986LocationID:311306
County:WELD #123Location:NESE 19 2N66W 6
Field:SPINDLE - #77900Elevation:4872 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1980FSL  660 FELLat/Long: 40.121867 / -104.813061Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 40.121650 / -104.813050Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: SI - 12/1/2025             Measured TD: 4700 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        SI - 12/1/2025
Wellbore Permit
Permit #:19760568 Expiration Date:7/7/1977
Proposed Depth/Form:4700 ft.
Surface Mineral Owner Same:Not available
Mineral Owner:FEESurface Owner:Not available
Unit: Unit Number: 
Formation And Spacing:Code: SUSX , Formation: SUSSEX , Order: 0 , Unit Acreage: 40, Drill Unit: NESE
Wellbore Completed
Completion Date:10/2/1976
Spud Date:8/21/1976Spud Date Is:ACTUAL
Measured TD:4700 ft.Measured PB depth:4658 ft.
True Vertical TD:True Vertical PB depth:
Log Types:IES C-DL
Casing:String Type: SURF, Hole Size: 12.75 in., Size: 8.625 in., Top: 0 ft., Depth: 620 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 575, Top: 0 ft., Bottom: , Determination Method:
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 4699 ft., Weight: 10.5 , Citings Type: ACTUAL
Cement:Sacks: 300, Top: 0 ft., Bottom: , Determination Method:
FormationInterval TopLog BottomCoredDSTs
SUSSEX4478 ft.

Formation SUSX                     Formation Classification:  GW                     Status:  SI - 12/1/2025                 Interval Top: 4573 ft.    Interval Bottom: 4589 ft.

 Completed Information for Formation SUSSEX
1st Production Date:10/6/1976Choke Size:0.000 in.
Formation Name:SUSSEXCommingled:
Production Method:PUMPING
Open Hole Completion:
Formation Treatment
Treatment Date:10/2/1976
Treatment Summary:1746 BBLS YF4G FLUID 203,000# SAND 5000 GAL ACID
Tubing Size:2.375 in.Tubing Setting Depth:4584 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:10/16/1976Test Method:PUMPING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_OIL 100
CALC_BBLS_OIL 100
CALC_GOR 1250
CALC_MCF_GAS 125
CASING_PRESS 50
MCF_GAS 125
TUBING_PRESS 35
Perforation Data:
Interval Top:4573 ft.# Of Holes:16
Interval Bottom:4589 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)0
Total Gas Produced (MCF)12
GOR
GOR DeterminationMCFE
Average BOE per Day0.008
Average MCFE per Day0.033

 Federal Financial Assurance  i 

 Tribal Well  i No