COGIS - WELL Information

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Surface Location Data for API # 05-067-05185                               Status: PR         11/11/2008
Well Name/No: SAM BURCH #8 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 11/11/2008 Federal or State Lease #: 142015156
FacilityID: 213915 LocationID: 334022
County: LA PLATA #067 Location: SENE  3 32N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,968 ft.
Planned Location       1082 FNL  819 FEL Lat/Long: 37.05014/-107.806856 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.049836/-107.807232 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         11/11/2008
Spud Date: 8/31/1976 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 20081607 Expiration Date: 4/22/2009
Prop Depth/Form: 6232 Surface Mineral Owner Same: Y
Mineral Owner: INDIAN Surface Owner: INDIAN
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-194 , Unit Acreage: 320, Drill Unit: E/2
Formation and Spacing: Code: PCCF , Formation: PICTURED CLIFFS , Order: , Unit Acreage: 320, Drill Unit: E2
Casing: String Type: SURF , Hole Size: , Size: 10.75, Top: , Depth: 269, Weight: 32.75
Cement: Sacks: 300, Top: , Bottom: , Method Grade:
Casing: String Type: 1ST , Hole Size: , Size: 7.625, Top: , Depth: 3848, Weight: 26.4
Cement: Sacks: 225, Top: , Bottom: , Method Grade:
Casing: String Type: 2ND , Hole Size: , Size: 5.5, Top: , Depth: 6249, Weight: 14
Cement: Sacks: 350, Top: , Bottom: 6249, Method Grade:
Wellbore Completed
Completion Date: 9/10/1976
Measured TD: 6232 Measured PB depth: 3720
True Vertical TD: True Vertical PB depth:
Casing: String Type: SURF , Hole Size: , Size: 10.75, Top: 0, Depth: 269, Weight: 32.75
Cement: Sacks: 300, Top: 0, Bottom: , Method Grade:
Casing: String Type: 1ST , Hole Size: , Size: 7.625, Top: 0, Depth: 3848, Weight: 26.4
Cement: Sacks: 225, Top: 0, Bottom: , Method Grade:
Casing: String Type: 2ND , Hole Size: , Size: 5.5, Top: 3747, Depth: 6249, Weight: 14
Cement: Sacks: 350, Top: 3747, Bottom: 6249, Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND 3128 3648
PICTURED CLIFFS 3648 3817
LEWIS 3817 5299
MESAVERDE 5299 5704
MENEFEE 5704 5988
POINT LOOKOUT 5988 6250
Completed information for formation FRLDC                                     Status: PR         11/11/2008
1st Production Date: 11/11/2008 Choke Size:
Status Date: 11/11/2008 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 9/30/2008    
Treatment summary: FRACTURED TREATED WITH 230 GALS OF 15% HCL, 225660 LBS OF FRAC SAND AND 137316 GLS FOR FLUID; MAX PSI=1685 PSI, FINAL FG=0.95 PSI/FT
Tubing Size: 2.375 Tubing Setting Depth: 3643
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 11/11/2008 Test Method:
Hours Tested: Gas Type:
Gas Disposal: SOLD
Test Type Measure
    CALC_BBLS_H2O 46    
    CALC_MCF_GAS 311    
    Perforation Data:
    Interval Bottom: 3500 Interval Top: 3373
    # of Holes: 276 Hole Size: 0.8
Completed information for formation PCCF                                     Status: PR         9/10/1976
1st Production Date: 9/1/1977 Choke Size: 304.000
Status Date: 9/10/1976 Open Hole Completion:
Commingled: Production Method: FLOWING
Formation Name: PICTURED CLIFFS Status: PR
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 9/10/1976 Test Method: FLOWING
Hours Tested: 3 Gas Type:
Gas Disposal: SOLD
Test Type Measure
    CALC_MCF_GAS 12022    
    CASING_PRESS 914    
    MCF_GAS 1048    
    TUBING_PRESS 521    
    Perforation Data:
    Interval Bottom: 3676 Interval Top: 3648
    # of Holes: 18 Hole Size: 0.464