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 Surface Location
 API# 05-001-09737		Well Classification: OW Status: PR - 8/1/2025
Well Name/No:Zarlengo #6-4
(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 Date8/1/2025
FacilityID:427170LocationID:427172
County:ADAMS #001Location:SENW 4 1S67W 6
Field:SPINDLE - #77900Elevation:5155 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:1938FNL  1828 FWLLat/Long: 39.995033 / -104.896817Lat/Long Source: Field Measured
As Drilled Location:Footages Not AvailableLat/Long: 39.995033 / -104.896821Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: OW             Status: PR - 8/1/2025             Measured TD: 5234 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 8/1/2025
Wellbore Permit
Permit #: Expiration Date:12/29/2013
Proposed Depth/Form:5225 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number:
Formation And Spacing:Code: SUSX , Formation: SUSSEX , Order: 250-12 , Unit Acreage: 80, Drill Unit: E/2NW4
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1140 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 735, Top: 0 ft., Bottom: 1140 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 5225 ft., Weight: 11.6 , Citings Type: PLANNED
Cement:Sacks: 689, Top: 1050 ft., Bottom: 5225 ft.
Wellbore Completed
Completion Date:2/13/2012
Spud Date:2/9/2012Spud Date Is:Actual
Measured TD:5234 ft.Measured PB depth:5201 ft.
True Vertical TD:True Vertical PB depth:
Log Types:Density, Neutron, Induction, CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1182 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 468, Top: 0 ft., Bottom: 1182 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 5218 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 530, Top: 1456 ft., Bottom: 5218 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
PARKMAN3574 ft.NN
SUSSEX4810 ft.NN

Formation SUSX                     Formation Classification:  OW                     Status:  PR - 8/1/2025                  Interval Top: 4990 ft.    Interval Bottom: 5004 ft.

 Completed Information for Formation SUSSEX
1st Production Date:5/3/2012Choke Size: 
Formation Name:SUSSEXCommingled:No
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:3/21/2012
Treatment Summary:111,090 gals Foam (1,578 MSCF), 23,016 gals SLF, 222,000 lbs 16/30 White, 20,200 lbs. 20/40 SLC
Tubing Size:Tubing Setting Depth:
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:5/9/2012Test Method:FLOWING
Hours Tested:8Gas Type:WET
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 6
BBLS_OIL 13
BTU_GAS 1352
CALC_BBLS_H2O 18
CALC_BBLS_OIL 39
CALC_GOR 615
CALC_MCF_GAS 24
CASING_PRESS 420
GRAVITY_OIL 40
MCF_GAS 8
Perforation Data:
Interval Top:4990 ft.# Of Holes:112
Interval Bottom:5004 ft.Hole Size:0.42 in.
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
01/2025 - 12/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
January 2025 - December 2025i
Total Oil Produced (Barrels)1
Total Gas Produced (MCF)419
GOR419000
GOR DeterminationMCFE
Average BOE per Day0.199
Average MCFE per Day1.157

 Federal Financial Assurance  i 

 Tribal Well  i No