COGIS - WELL Information

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Surface Location Data for API # 05-067-08401                               Status: PR         1/29/2001
Well Name/No: STATE #36-4 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 1/29/2001 2:32:11 PM Federal or State Lease #:
FacilityID: 259126 LocationID: 326614
County: LA PLATA #067 Location: NESW  36 35N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 7,190 ft.
Planned Location       1516 FSL  2092 FWL Lat/Long: 37.255636/-107.806777 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.255506/-107.806671 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         1/10/2001
Spud Date: 3/16/2001 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 010174 Expiration Date: 1/17/2002
Prop Depth/Form: Surface Mineral Owner Same: Y
Mineral Owner: STATE Surface Owner: STATE
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-156 , Unit Acreage: 320, Drill Unit: S2
Wellbore Completed
Completion Date: 5/11/2001
Measured TD: 2396 Measured PB depth: 2340
True Vertical TD: 2396 True Vertical PB depth: 2340
Log Types: SPECTRAL DENSITY/DUAL SPACED NEUTRON
Log Types: SPECTRAL DENSITY/DUAL SPACED NEUTRON
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 387, Weight: 24
Cement: Sacks: 310, Top: 0, Bottom: 387, Method Grade:
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: , Depth: 2396, Weight: 15.5
Cement: Sacks: 382, Top: 0, Bottom: 2396, Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND COAL 1950 2330 N N
PICTURED CLIFFS 2330 N N
Completed information for formation FRLDC                                     Status: PR         1/10/2001
1st Production Date: N/A Choke Size: 0.469
Status Date: 1/10/2001 Open Hole Completion: N
Commingled: N Production Method: FLOWING
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 5/11/2001    
Treatment summary: PERFORM PUMP IN STEP DOWN W/100 GALS 15% HCI&6,098 GALS 20# LINEAR FLUID. PUMP PAD WITH 34,650 GALS OF 20# FLUID W/2,000 GAL 0.5 TO 1.0 PPG SLUGS. PUMP 38,388 GALS PROP LADEN STAGES W/94,000# 20/40 MESH SAND FROM 1 TO 3.6 STAGES.
Tubing Size: 2.375 Tubing Setting Depth: 2223
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 5/21/2001 Test Method: FLOWING
Hours Tested: 24 Gas Type: COAL GAS
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 273    
    BTU_GAS 1050    
    CALC_BBLS_H2O 273    
    CALC_MCF_GAS 591    
    CASING_PRESS 515    
    MCF_GAS 591    
    TUBING_PRESS 320    
    Perforation Data:
    Interval Bottom: 2307 Interval Top: 2184
    # of Holes: 18 Hole Size: 4