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 Surface Location
 API# 05-001-09468		Well Classification: GW Status: PR - 4/1/2022
Well Name/No:ZARLENGO #21-4
(Click Well Name for Production Data)		Click Here for Transporter Gatherer Info
Operator:HELENA RESOURCES INC - 10547
(Click Operator Name for Company Detail Report)		Federal Or State Lease #:
Facility Status:PRStatus Date4/1/2022
FacilityID:267659LocationID:320494
County:ADAMS #001Location:NENW 4 1S67W 6
Field:WATTENBERG - #90750Elevation:5106 ft.
Basin:DENVER (DJ) BASIN  
Planned Location:273FNL  1590 FWLLat/Long: 39.999649 / -104.897742Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.999444 / -104.897778Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: PR - 4/1/2022             Measured TD: 8552 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        PR - 4/1/2022
Wellbore PermitDIRECTIONAL
Permit #:20030662 Expiration Date:4/28/2004
Proposed Top PZ Location:Sec: Twp: Footage: 560 FNL  2080 FWL
Bottom Hole Location:Sec: Twp: Footage: 560 FNL  2080 FWL
Proposed Depth/Form:8600 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: DKTA , Formation: DAKOTA , Order: 499-1 , Unit Acreage: 320, Drill Unit: W/2
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 232-2 , Unit Acreage: 320, Drill Unit: W/2
Wellbore Completed
Completion Date:6/11/2003
Spud Date:4/30/2003Spud Date Is:ACTUAL
Measured TD:8552 ft.Measured PB depth:8531 ft.
True Vertical TD:True Vertical PB depth:
Top PZ Location:Sec: Twp: Footage: 560 FNL  2080 FWL
Bottom Hole Location:Sec: Twp: Footage: 560 FNL  2080 FWL
Log Types:COMPENSATED DEN./NEU./GR; DUAL IND.;CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1355 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 880, Top: 0 ft., Bottom: 1355 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8552 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 389, Top: 4480 ft., Bottom: 8552 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
SUSSEX4850 ft.NN
NIOBRARA7540 ft.NN
CODELL7932 ft.NN
J SAND8368 ft.NN

Formation JSND                     Formation Classification:  GW                     Status:  PR - 4/1/2022                  Interval Top: 8376 ft.    Interval Bottom: 8412 ft.

 Completed Information for Formation J SAND
1st Production Date:N/AChoke Size:0.281 in.
Formation Name:J SANDCommingled:No
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:6/11/2003
Treatment Summary:FRAC JSND W/219,534 GALS. FRAC FLUID + 375,355# 20/40 SAND.
Tubing Size:2.375 in.Tubing Setting Depth:8348 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:6/18/2003Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 31
BBLS_OIL 4
CALC_BBLS_H2O 31
CALC_BBLS_OIL 4
CALC_GOR 62750
CALC_MCF_GAS 251
CASING_PRESS 600
MCF_GAS 251
TUBING_PRESS 325
Perforation Data:
Interval Top:8376 ft.# Of Holes:81
Interval Bottom:8412 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)17
Total Gas Produced (MCF)237
GOR13941
GOR DeterminationBOE
Average BOE per Day0.156
Average MCFE per Day0.921

 Federal Financial Assurance  i 

 Tribal Well  i No