COGIS - WELL Information

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Surface Location Data for API # 05-067-06735                               Status: PR         1/12/2007
Well Name/No: SAM BURCH #14 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 1/12/2007 Federal or State Lease #: 14-20-151-56
FacilityID: 215130 LocationID: 333795
County: LA PLATA #067 Location: NWNW  4 32N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,591 ft.
Planned Location       990 FNL  1175 FWL Lat/Long: 37.050329/-107.836137 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.050208/-107.836051 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         1/12/2007
Spud Date: 5/21/1984 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 840390 Expiration Date: 4/9/1999
Prop Depth/Form: Surface Mineral Owner Same: Y
Mineral Owner: INDIAN Surface Owner: INDIAN
Unit: Unit Number: 14-20-151-56
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-136 , Unit Acreage: 320, Drill Unit: W2
Formation and Spacing: Code: MVRD , Formation: MESAVERDE , Order: 112-46 , Unit Acreage: 320, Drill Unit: N2
Wellbore Completed
Completion Date: 7/21/1984
Measured TD: 5850 Measured PB depth: 5807
True Vertical TD: True Vertical PB depth:
Log Types: SPECTRASCAN
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 391, Weight: 36
Cement: Sacks: 300, Top: 0, Bottom: , Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 3721, Weight:
Cement: Sacks: 555, Top: 0, Bottom: , Method Grade:
Casing: String Type: 1ST LINER , Hole Size: 6.25, Size: 4.5, Top: 3441, Depth: 5849, Weight:
Cement: Sacks: 400, Top: 0, Bottom: , Method Grade:
Formation Log Top Log Bottom Cored DSTs
KIRTLAND 2534
FRUITLAND 2856
PICTURED CLIFFS 3203
MESAVERDE 4866
Completed information for formation FRLDC                                     Status: PR         1/12/2007
1st Production Date: 6/9/2006 Choke Size:
Status Date: 1/12/2007 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 6/9/2006    
Treatment summary: PUMPED 6200 GALS 15% NE/FE HCL @ 5BPM
Tubing Size: 2.375 Tubing Setting Depth: 5529
Tubing Packer Depth: 5554 Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 1/12/2007 Test Method: FLOW
Hours Tested: 24 Gas Type: COAL GAS
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 1    
    BBLS_OIL 0    
    BTU_GAS 890    
    CALC_BBLS_H2O 20    
    CALC_BBLS_OIL 0    
    CALC_MCF_GAS 700    
    CASING_PRESS 9    
    MCF_GAS 1040    
    TUBING_PRESS 15    
    Perforation Data:
    Interval Bottom: 3122 Interval Top: 2978
    # of Holes: 228 Hole Size:
Completed information for formation MVRD                                     Status: PR         1/12/2007
1st Production Date: N/A Choke Size:
Status Date: 1/12/2007 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: MESAVERDE Status: PR
Formation Treatment
Treatment Date: 5/31/2006    
Treatment summary: PUMPED 2300 GALS CBM ACID @ 5 BPM. PACKER STUCK ACROSS FORMATION.
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: N/A Test Method:
Hours Tested: Gas Type:
Gas Disposal:
Test Type Measure
    BBLS_H2O 24    
    BBLS_OIL 0    
    CALC_BBLS_H2O 24    
    CALC_BBLS_OIL 0    
    CALC_MCF_GAS 3611    
    CASING_PRESS 728    
    MCF_GAS 3611    
    TUBING_PRESS 246    
    Perforation Data:
    Interval Bottom: 5774 Interval Top: 5240
    # of Holes: 94 Hole Size: