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COGIS - WELL SCOUT CARD
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 Surface Location
 API# 05-001-09377		Well Classification: GW Status: PR - 3/1/2023
Well Name/No:ZARLENGO #24-4
(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 Date3/1/2023
FacilityID:203817LocationID:320458
County:ADAMS #001Location:SESW 4 1S67W 6
Field:WATTENBERG - #90750Elevation:5178 ft.
Planned Location:459FSL  2180 FWLLat/Long: 39.987709 / -104.895552Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.987698 / -104.895505Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: PR - 3/1/2023             Measured TD: 8564 ft.    Vertical TD: 0 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        PR - 3/1/2023
Wellbore PermitDRIFTED
Permit #:19980625 Expiration Date:6/30/1999
Proposed Depth/Form:8525 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit: Unit Number: 
Formation And Spacing:Code: JSND , Formation: J SAND , Order: 318A , Unit Acreage: 320, Drill Unit: W/2
Wellbore Completed
Completion Date:10/12/1998
Spud Date:9/2/1998Spud Date Is:ACTUAL
Measured TD:8564 ft.Measured PB depth:8513 ft.
True Vertical TD:0 ft.True Vertical PB depth:
Log Types:DIL, CD/CN/GR ATTACHED CBL
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 1332 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 545, Top: 0 ft., Bottom: 1332 ft., Determination Method: CALC
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8559 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 275, Top: 6919 ft., Bottom: 8492 ft., Determination Method: CBL
Casing:String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 5398 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 185, Top: 4500 ft., Bottom: 5396 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
SUSSEX5038 ft.
NIOBRARA7479 ft.
CODELL7949 ft.
J SAND8392 ft.

Formation JSND                     Formation Classification:  GW                     Status:  SI - 8/17/2012                 Interval Top: 8393 ft.    Interval Bottom: 8424 ft.

 Completed Information for Formation J SAND
1st Production Date:10/19/1998Choke Size:0.312 in.
Formation Name:J SANDCommingled:
Production Method:FLOWING
Open Hole Completion:
Formation Treatment
Treatment Date:10/12/1998
Treatment Summary:SEE DOCUMENT # 812616
Tubing Size:2.375 in.Tubing Setting Depth:8376 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:10/22/1998Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 88
BBLS_OIL 4
CALC_BBLS_H2O 88
CALC_BBLS_OIL 4
CALC_GOR 152750
CALC_MCF_GAS 611
CASING_PRESS 500
GRAVITY_OIL 56.8
MCF_GAS 611
Perforation Data:
Interval Top:8393 ft.# Of Holes:
Interval Bottom:8424 ft.Hole Size:0.38 in.

Formation NB-CD                   Formation Classification:  GW                   Status:  PR - 3/1/2023                  Interval Top: 7500 ft.    Interval Bottom: 7970 ft.

 Completed Information for Formation NIOBRARA-CODELL
1st Production Date:N/AChoke Size: 
Formation Name:NIOBRARA-CODELLCommingled:Yes
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:7/6/2005
Treatment Summary:FRAC CODL (7950-7970') W/131,607 GALS FRAC FLUID+263,540# 20/40 SD&12,000# 12/20 SD. FRAC NB (750-7802') W/180,214 GALS FRAC FLUID + 238,880# 30/50 SAND & 12,000#12/20 SAND.
Tubing Size:2.375 in.Tubing Setting Depth:8376 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:7/6/2005Test Method:
Hours Tested:24Gas Type:SHALE
Gas Disposal:SOLD
Test TypeMeasure
BBLS_H2O 18
BBLS_OIL 76
CALC_GOR 1921
MCF_GAS 146
Perforation Data:
Interval Top:7500 ft.# Of Holes:256
Interval Bottom:7970 ft.Hole Size:
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedN 
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
April 2024 - March 2025i
Total Oil Produced (Barrels)696
Total Gas Produced (MCF)901
GOR1294
GOR DeterminationBOE
Average BOE per Day2.248
Average MCFE per Day13.085

 Federal Financial Assurance  i 

 Tribal Well  i No