COGIS - WELL Information

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Surface Location Data for API # 05-067-08178                               Status: PR         8/17/1999
Well Name/No: BLACK RIDGE S U #17-4 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 8/17/1999 Federal or State Lease #: 14-20-604-64
FacilityID: 216572 LocationID: 334056
County: LA PLATA #067 Location: SENW  17 33N10W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 7,509 ft.
Planned Location       1484 FNL  2085 FWL Lat/Long: 37.107298/-107.959251 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.10739/-107.958986 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         8/17/1999
Spud Date: 7/5/1999 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 19981005 Expiration Date: 11/8/1999
Prop Depth/Form: 4525 Surface Mineral Owner Same: Y
Mineral Owner: INDIAN Surface Owner: INDIAN
Unit: Unit Number:
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-43 , Unit Acreage: 320, Drill Unit: N2
Wellbore Completed
Completion Date: 8/6/1999
Measured TD: 4538 Measured PB depth:
True Vertical TD: 3605 True Vertical PB depth: 3604
Top PZ Location:           Sec: 17 Twp: 33N 10W Footage: 2351 FNL  1503 FEL Depth
Bottom Hole Location:   Sec: 17 Twp: 33N 10W Footages: 2351 FNL  1503 FEL Depth
Log Types: ARRAY INDUCTION, COMPENSATED NEUTRON DENSITY, MUD LOG.
Log Types:
Casing: String Type: SURF , Hole Size: 13.75, Size: 9.625, Top: 0, Depth: 375, Weight: 36
Cement: Sacks: 340, Top: 0, Bottom: 375, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 4229, Weight: 20
Cement: Sacks: 825, Top: 0, Bottom: 4229, Method Grade:
Casing: String Type: 1ST LINER , Hole Size: , Size: 5.5, Top: 4196, Depth: 4538, Weight: 15.5
Cement: Sacks: , Top: , Bottom: , Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND COAL 3526 4150 N N
FRUITLAND 4150 4532 N N
Completed information for formation FRLDC                                     Status: PR         8/17/1999
1st Production Date: 8/17/1999 Choke Size:
Status Date: 8/17/1999 Open Hole Completion: Y
Commingled: Production Method: FLOWING
Formation Name: FRUITLAND COAL Status: PR
Tubing Size: 2.875 Tubing Setting Depth: 4383
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: 4229 Open Hole Bottom: 4538
    Initial Test Data:
Test Date: 8/17/1999 Test Method: DOWN HOLE PUMP
Hours Tested: 24 Gas Type: COAL GAS
Gas Disposal: SOLD
Test Type Measure
    BTU_GAS 954    
    CASING_PRESS 215    
    MCF_GAS 1280    
    TUBING_PRESS 60    
    Perforation Data:
    Interval Bottom: 4529 Interval Top: 4400
    # of Holes: 228 Hole Size: 0.4