COGIS - WELL Information

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Surface Location Data for API # 05-067-08489                               Status: PR         7/28/2010
Well Name/No: LAPOSTA #5-1 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 7/28/2010 Federal or State Lease #:
FacilityID: 260328 LocationID: 326631
County: LA PLATA #067 Location: NENW  5 33N10W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,629 ft.
Planned Location       1141 FNL  2520 FWL Lat/Long: 37.137107/-107.958041 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.137125/-107.957794 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         7/28/2010
Spud Date: 6/18/2001 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 20011115 Expiration Date: 6/6/2001
Prop Depth/Form: Surface Mineral Owner Same: N
Mineral Owner: FEE Surface Owner:
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-57 , Unit Acreage: 320, Drill Unit: N2
Wellbore Completed
Completion Date: 8/30/2001
Measured TD: 3056 Measured PB depth: 3056
True Vertical TD: True Vertical PB depth:
Log Types: SPECTRAL DENSITY DUAL SPACED NEUTRON
Log Types:
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 405, Weight:
Cement: Sacks: 270, Top: 0, Bottom: 405, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 2705, Weight:
Cement: Sacks: 333, Top: 0, Bottom: 2705, Method Grade:
Casing: String Type: 1ST LINER , Hole Size: 6.25, Size: 5.5, Top: 2626, Depth: 3056, Weight:
Cement: Sacks: , Top: , Bottom: , Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND COAL 2705 3056 N N
FRUITLAND 2803 3029
Completed information for formation FRLDC                                     Status: PR         7/28/2010
1st Production Date: 7/1/2001 Choke Size:
Status Date: 7/28/2010 Open Hole Completion: Y
Commingled: Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 7/7/2009    
Treatment summary: PUMPED 3000 GALS COALSTIM W/ 145000SCF N2 IN THREE STAGES. PLEASE SEE ATTACHED WELLBORE DIAGRAM PER AZ 11/1/10
Formation Treatment
Treatment Date: 8/30/2001    
Treatment summary:
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: 2705 Open Hole Bottom: 3056
    Initial Test Data:
Test Date: N/A Test Method:
Hours Tested: Gas Type:
Gas Disposal:
Test Type Measure
    BBLS_H2O 106    
    BBLS_OIL 0    
    CALC_BBLS_H2O 106    
    CALC_BBLS_OIL 0    
    CALC_MCF_GAS 850    
    MCF_GAS 850    
    Perforation Data:
    Interval Bottom: 3029 Interval Top: 2803
    # of Holes: 240 Hole Size: 0.42