COGIS - WELL Information

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Surface Location Data for API # 05-067-07468                               Status: PR         11/8/2010
Well Name/No: DAY-V-RANCH 34-1/2 #35-1 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 11/8/2010 Federal or State Lease #: 18732
FacilityID: 215863 LocationID: 326099
County: LA PLATA #067 Location: NWSW  35 34.5N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,981 ft.
Planned Location       1090 FNL  1090 FWL Lat/Long: 37.248076/-107.828478 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.248272/-107.828365 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         11/8/2010
Spud Date: 4/10/1990 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 900220 Expiration Date: 7/5/1990
Prop Depth/Form: Surface Mineral Owner Same:
Mineral Owner: FEE Surface Owner:
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 0 , Unit Acreage: 348, Drill Unit: N2
Wellbore Completed
Completion Date: 4/13/1990
Measured TD: 2352 Measured PB depth: 2282
True Vertical TD: 0 True Vertical PB depth:
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 334, Weight:
Cement: Sacks: 225, Top: 0, Bottom: , Method Grade:
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 2350, Weight:
Cement: Sacks: 0, Top: 0, Bottom: , Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND COAL 1880
PICTURED CLIFFS 2172
Completed information for formation FRLDC                                     Status: PR         11/8/2010
1st Production Date: N/A Choke Size:
Status Date: 11/8/2010 Open Hole Completion: N
Commingled: N Production Method: PUMPING
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 4/13/1990    
Treatment summary:
Tubing Size: 2.875 Tubing Setting Depth: 2145
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 1/14/1998 Test Method: PUMPING
Hours Tested: 24 Gas Type: COAL GAS
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 43    
    BBLS_OIL 0    
    CALC_BBLS_H2O 43    
    CALC_BBLS_OIL 0    
    CALC_MCF_GAS 80    
    CASING_PRESS 80    
    MCF_GAS 80    
    TUBING_PRESS 80    
    Perforation Data:
    Interval Bottom: 2170 Interval Top: 1990
    # of Holes: 144 Hole Size: