COGIS - WELL Information

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Surface Location Data for API # 05-067-08735                               Status: PR         7/11/2002
Well Name/No: KOSHAK #A-3 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 7/11/2002 9:02:36 AM Federal or State Lease #:
FacilityID: 264200 LocationID: 334540
County: LA PLATA #067 Location: NWSE  8 34N9W M PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,365 ft.
Planned Location       1605 FSL  2470 FEL Lat/Long: 37.202717/-107.848218 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.202784/-107.848203 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         6/17/2002
Spud Date: 8/18/2002 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20021226 Expiration Date: 7/9/2003
Prop Depth/Form: 2794 Surface Mineral Owner Same: Y
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-157 , Unit Acreage: 320, Drill Unit: S/2
Wellbore Completed
Completion Date: 8/25/2002
Measured TD: 2694 Measured PB depth: 2646
True Vertical TD: 2418 True Vertical PB depth:
Top PZ Location:           Sec: Twp: Footage:  FL   FL Depth
Bottom Hole Location:   Sec: Twp: Footages:  FL   FL Depth
Log Types: PLATFORM EXPRESS
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: , Depth: 544, Weight: 36
Cement: Sacks: 455, Top: , Bottom: 544, Method Grade: CALC
Casing: String Type: 1ST , Hole Size: 8, Size: 7, Top: , Depth: 2694, Weight: 23
Cement: Sacks: 282, Top: , Bottom: 2694, Method Grade: CALC
Formation Log Top Log Bottom Cored DSTs
OJO ALAMO 1207 1296 N N
KIRTLAND 1296 1990 N N
FRUITLAND 1990 2494 N N
PICTURED CLIFFS 2494 2694 N N
Completed information for formation FRLDC                                     Status: PR         6/17/2002
1st Production Date: N/A Choke Size:
Status Date: 6/17/2002 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 8/25/2002    
Treatment summary: FRACTURE TREATED FORMATION WITH 1000 GAL OF 10% FORMIC ACID, 106,228 GALS OF 20# DELTA 140/SANDWEDGE FRAC FLUID AND 225,000 # OF 16/30 BRADY SAND
Tubing Size: 2.875 Tubing Setting Depth: 2500
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
No Initial Test Data was found for formation FRLDC .
    Perforation Data:
    Interval Bottom: 2486 Interval Top: 2249
    # of Holes: 236 Hole Size: