COGIS - WELL Information

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Surface Location Data for API # 05-067-08321                               Status: PR         7/12/2001
Well Name/No: SOUTHERN UTE #26-4 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 7/12/2001 Federal or State Lease #:
FacilityID: 258085 LocationID: 326567
County: LA PLATA #067 Location: SESW  26 33N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 7,382 ft.
Planned Location       990 FSL  2185 FWL Lat/Long: 37.070339/-107.797016 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.070254/-107.796917 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         7/12/2001
Spud Date: 11/17/2000 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 20000994 Expiration Date: 9/21/2001
Prop Depth/Form: 4190 Surface Mineral Owner Same: Y
Mineral Owner: INDIAN Surface Owner: INDIAN
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-136 , Unit Acreage: 320, Drill Unit: S2
Wellbore Completed
Completion Date: 11/25/2000
Measured TD: 4274 Measured PB depth: 4225
True Vertical TD: True Vertical PB depth:
Log Types: GR - CCL - CBL
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: , Depth: 462, Weight: 36
Cement: Sacks: 260, Top: , Bottom: 462, Method Grade: CALC
Casing: String Type: 1ST , Hole Size: 8.625, Size: 7, Top: , Depth: 4270, Weight: 23
Cement: Sacks: 381, Top: , Bottom: 4270, Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND 3697 N N
LEWIS SHALE 4181 N N
PICTURED CLIFFS 4044 N N
Completed information for formation FRLDC                                     Status: PR         7/12/2001
1st Production Date: 4/13/2001 Choke Size:
Status Date: 7/12/2001 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 11/25/2000    
Treatment summary: 1000 GAL 10% FORMIC ACID, 290,000# 20/40 BRADY SAND, 157,285 GAL. 20# DELTA 140/SANDWEDGE FRAC FLUID
Tubing Size: 2.875 Tubing Setting Depth: 3959
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: 3950 Interval Top: 3663
    # of Holes: 268 Hole Size: 0.43