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 Surface Location
 API# 05-001-06795
Well Classification: OW Status: PR - 8/1/2025
Well Name/No:ZARLENGO #1
(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:201392LocationID:319792
County:ADAMS #001Location:NWNW 4 1S67W 6
Field:SPINDLE - #77900Elevation:5132 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:660FNL  660 FWLLat/Long: 39.998589 / -104.901052Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.998544 / -104.900975Lat/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: 8100 ft.

 Wellbore Data for Original WellboreWellbore Classification: OW        PR - 8/1/2025
Wellbore Permit
Permit #:19740064 Expiration Date:1/30/1975
Proposed Depth/Form:8100 ft.
Surface Mineral Owner Same:Not available
Mineral Owner:FEESurface Owner:Not available
Unit: Unit Number: 
Formation And Spacing:Code: SXTCD , Formation: SUSSEX-TIMPAS-CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: W2NW
Casing:String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: 0 ft., Depth: 250 ft., Weight: 24 , Citings Type: PLANNED
Cement:Sacks: 200, Top: 0 ft., Bottom: 250 ft.
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 8150 ft., Weight: 17 , Citings Type: PLANNED
Cement:Sacks: 450, Top: 6441 ft., Bottom: 8150 ft.

Wellbore Completed
Completion Date:5/15/1974
Spud Date:2/23/1974Spud Date Is:ACTUAL
Measured TD:8100 ft.Measured PB depth:8075 ft.
True Vertical TD:True Vertical PB depth:
Log Types:IES, DENSITY
Casing:String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: 0 ft., Depth: 203 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 250, Top: 0 ft., Bottom: 203 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 8100 ft., Weight: 15.5, 17 , Citings Type: ACTUAL
Cement:Sacks: 250, Top: 7132 ft., Bottom: 8100 ft., Determination Method: CBL
Additional Cement:String Type: 1ST , Top: 537 ft., Depth: 1267 ft., Bottom: 1270 ft., Sacks: , Method: DV TOOL
Additional Cement:String Type: 1ST , Top: 4660 ft., Depth: 5212 ft., Bottom: 5235 ft., Sacks: , Method: DV TOOL
FormationInterval TopLog BottomCoredDSTs
SUSSEX4950 ft.
NIOBRARA7460 ft.
TIMPAS7900 ft.
CODELL7930 ft.

Formation TP-CD                   Formation Classification:  OW                   Status:  PR - 8/1/2025                  Interval Top: 7911 ft.    Interval Bottom: 7948 ft.

 Completed Information for Formation TIMPAS-CODELL
1st Production Date:5/15/1974Choke Size: 
Formation Name:TIMPAS-CODELLCommingled:Yes
Production Method:
Open Hole Completion:No
Formation Treatment
Treatment Date:5/15/1974
Treatment Summary:FRAC/W 60,000 GAL SUPER E(800 BL. OIL + 650 BL WATER + 150,000# SAND. 2000 GAL ACID IN TIMPAS. THEN FRAC/W 73,200 GAL SUPER E + 123,000# 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 265
GRAVITY_OIL 42
TUBING_PRESS 180
Perforation Data:
Interval Top:7911 ft.# Of Holes:10
Interval Bottom:7948 ft.Hole Size:

Formation SUSX                     Formation Classification:  OW                     Status:  PR - 8/1/2025                  Interval Top: 4978 ft.    Interval Bottom: 5060 ft.

 Completed Information for Formation SUSSEX
1st Production Date:5/15/1974Choke Size: 
Formation Name:SUSSEXCommingled:
Production Method:
Open Hole Completion:
Formation Treatment
Treatment Date:5/15/1974
Treatment Summary:COMBINED W/TP-CD.
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:4978 ft.# Of Holes:15
Interval Bottom:5060 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
01/2025 - 12/2025

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
January 2025 - December 2025i
Total Oil Produced (Barrels)186
Total Gas Produced (MCF)282
GOR1516
GOR DeterminationBOE
Average BOE per Day0.633
Average MCFE per Day3.666

 Federal Financial Assurance  i 

 Tribal Well  i No