COGIS - WELL Information

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Surface Location Data for API # 05-067-09036                               Status: PR         2/1/2011
Well Name/No: CLARK 7 #2 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 2/1/2011 Federal or State Lease #:
FacilityID: 277257 LocationID: 333643
County: LA PLATA #067 Location: NWSE  7 34N8W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,952 ft.
Planned Location       1615 FSL  2170 FEL Lat/Long: 37.22688/-107.78544 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 37.22688/-107.78544 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         2/1/2011
Spud Date: 2/29/2008 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20072574 Expiration Date: 6/19/2008
Prop Depth/Form: 3267 Surface Mineral Owner Same: Y
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-156 , Unit Acreage: 320, Drill Unit: S2
Wellbore Completed
Completion Date: 3/8/2008
Measured TD: 3025 Measured PB depth: 2978
True Vertical TD: 2463 True Vertical PB depth: 2425
Top PZ Location:           Sec: 7 Twp: 34N 8W Footage: 1543 FSL  1853 FWL Depth
Bottom Hole Location:   Sec: 7 Twp: 34N 8W Footages: 1543 FSL  1853 FWL Depth
Log Types: COMP.PHOTO DENSITY LOG, COMP.PHOTO DENSITY TVD LOG, CBL, MUD LOG
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 685, Weight:
Cement: Sacks: 470, Top: 0, Bottom: 685, Method Grade: CALC
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 3025, Weight:
Cement: Sacks: 525, Top: 0, Bottom: 3025, Method Grade: CBL
Formation Log Top Log Bottom Cored DSTs
OJO ALAMO 0 704 N N
KIRTLAND 704 946 N N
FRUITLAND 946 2293 N N
FRUITLAND COAL 2293 2370 N N
PICTURED CLIFFS 2370 2818 N N
Completed information for formation FRLDC                                     Status: PR         2/1/2011
1st Production Date: N/A Choke Size:
Status Date: 2/1/2011 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 3/27/2008    
Treatment summary: THE FRUITLAND COAL WAS FRACTURED TREATED W/4,000 GALS OF 15% HCL; 236,140# OF 20/40 PREMIUM WHITE SAND; & 174,604 GALS OF DELTA 140 FRAC GEL.
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
No Initial Test Data was found for formation FRLDC .
    Perforation Data:
    Interval Bottom: 2815 Interval Top: 2436
    # of Holes: 212 Hole Size: 0.42