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COGIS - WELL SCOUT CARD
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 Surface Location
 API# 05-045-09205		Well Classification: GW Status: PA - 8/12/2008
Well Name/No:DUNN #4-12D (N4E)
(Click Well Name for Production Data)		Click Here for Transporter Gatherer Info
Operator:ENCANA OIL & GAS (USA) INC - 100185
(Click Operator Name for Company Detail Report)		Federal Or State Lease #:
Facility Status:PAStatus Date8/12/2008
FacilityID:267600LocationID:334867
County:GARFIELD #045Location:SWNW 4 7S92W 6
Field:MAMM CREEK - #52500Elevation:6009 ft.
Basin:PICEANCE BASIN  
Planned Location:820FSL  2266 FWLLat/Long: 39.470641 / -107.672663Lat/Long Source: Calculated From Footages
As Drilled Location:Footages Not AvailableLat/Long: 39.470716 / -107.672559Lat/Long Source: Field Measured
 Wellbore And Formation Details -- select either a wellbore Or formation to expand.
 

Wellbore #00             Wellbore Classification: GW             Status: PA - 8/12/2008             Measured TD: 6930 ft.    Vertical TD: 6699 ft.

 Wellbore Data for Original WellboreWellbore Classification: GW        PA - 8/12/2008
Wellbore PermitDIRECTIONAL
Permit #:20030644 Expiration Date:4/24/2004
Proposed Top PZ Location:Sec:4 Twp: Footage: 1309 FSL  1340 FWL
Bottom Hole Location:Sec:4 Twp: Footage: 1310 FSL  1330 FWL
Proposed Depth/Form:7000 ft.
Surface Mineral Owner Same:Yes
Mineral Owner:FEESurface Owner:FEE
Unit:HUNTER MESA UNI Unit Number:COC 55972X
Formation And Spacing:Code: RLNS , Formation: ROLLINS , Order: , Unit Acreage: , Drill Unit:
Formation And Spacing:Code: WMFK , Formation: WILLIAMS FORK , Order: , Unit Acreage: , Drill Unit:
Wellbore Completed
Completion Date:11/5/2003
Spud Date:5/27/2003Spud Date Is:ACTUAL
Measured TD:6930 ft.Measured PB depth:6858 ft.
True Vertical TD:6699 ft.True Vertical PB depth:0 ft.
Top PZ Location:Sec:4 Twp: Footage: 1309 FSL  1340 FWL
Bottom Hole Location:Sec:4 Twp: Footage: 1310 FSL  1330 FWL
Log Types:CBL, RST
Casing:String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 736 ft., Weight: 24 , Citings Type: ACTUAL
Cement:Sacks: 400, Top: 0 ft., Bottom: 736 ft., Determination Method: VISU
Casing:String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 6919 ft., Weight: 11.6 , Citings Type: ACTUAL
Cement:Sacks: 1500, Top: 2360 ft., Bottom: 6919 ft., Determination Method: CBL
FormationInterval TopLog BottomCoredDSTs
WASATCH0 ft.3320 ft.NN
WILLIAMS FORK3321 ft.6618 ft.NN
ROLLINS6619 ft.6930 ft.NN

Formation WMFK                     Formation Classification:  GW                     Status:  AB - 8/12/2008                 Interval Top: 4880 ft.    Interval Bottom: 6537 ft.

 Completed Information for Formation WILLIAMS FORK
1st Production Date:N/AChoke Size:0.375 in.
Formation Name:WILLIAMS FORKCommingled:No
Production Method:FLOWING
Open Hole Completion:No
Formation Treatment
Treatment Date:11/5/2003
Treatment Summary:SEE OGCC COMMENTS
Tubing Size:2.375 in.Tubing Setting Depth:4489 ft.
Tubing Packer Depth:Tubing Multiple Packer:
Open Hole Top:Open Hole Bottom:
Initial Test Data:
Test Date:9/12/2003Test Method:FLOWING
Hours Tested:24Gas Type:
Gas Disposal:
Test TypeMeasure
BBLS_H2O 228
BBLS_OIL 1
BTU_GAS 1170
CALC_BBLS_H2O 228
CALC_BBLS_OIL 1
CALC_GOR 505
CALC_MCF_GAS 505
CASING_PRESS 150
MCF_GAS 505
Perforation Data:
Interval Top:4880 ft.# Of Holes:112
Interval Bottom:6537 ft.Hole Size:
Primary Well Designation:
None      i
            All DesignationsDate
Reported PluggedY08/12/2008
Out Of Service RepurposedN 
Out Of ServiceN 
Inactive ExceptionN 
Noticed InactiveN 
Defined InactiveN 
Low ProducingN 

BOE/MCFE/GOR Calculations
Production for Previous 12 Months
October 2024 - September 2025i
Total Oil Produced (Barrels)0
Total Gas Produced (MCF)0
GOR
GOR Determination 
Average BOE per Day0.000
Average MCFE per Day0.000

 Federal Financial Assurance  i 

 Tribal Well  i No