COGIS - WELL Information

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Surface Location Data for API # 05-067-06584                               Status: PR         2/19/2005
Well Name/No: SOUTHERN UTE #22 (click well name for production)
Operator: ENDURING RESOURCES LLC - 10663
Status Date: 2/19/2005 Federal or State Lease #: 14-20-151-32
FacilityID: 214979 LocationID: 325544
County: LA PLATA #067 Location: NESW  27 33N9W N PM
Field: IGNACIO BLANCO  - #38300 Elevation: 6,556 ft.
Planned Location       1650 FSL  1520 FWL Lat/Long: 37.072129/-107.817066 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 37.071951/-107.816947 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         2/19/2005
Spud Date: 6/20/1982 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 19820462 Expiration Date: 4/29/1983
Prop Depth/Form: 8000 Surface Mineral Owner Same: Y
Mineral Owner: INDIAN Surface Owner: INDIAN
Unit: Unit Number:
Formation and Spacing: Code: DKTA , Formation: DAKOTA , Order: 0 , Unit Acreage: 640, Drill Unit: ALL
Formation and Spacing: Code: FRLDC , Formation: FRUITLAND COAL , Order: 112-85 , Unit Acreage: 320, Drill Unit: S2
Formation and Spacing: Code: MVRD , Formation: MESAVERDE , Order: 0 , Unit Acreage: 320, Drill Unit: S2
Formation and Spacing: Code: PCCF , Formation: PICTURED CLIFFS , Order: 0 , Unit Acreage: 320, Drill Unit: S2
Wellbore Completed
Completion Date: 7/28/1982
Measured TD: 7881 Measured PB depth: 6320
True Vertical TD: True Vertical PB depth:
Log Types: CCL-TDT-CBL
Casing: String Type: SURF , Hole Size: 15, Size: 10.75, Top: 0, Depth: 215, Weight: 40.5
Cement: Sacks: 200, Top: 0, Bottom: , Method Grade:
Casing: String Type: 1ST , Hole Size: 9.625, Size: 7.625, Top: 0, Depth: 3470, Weight: 26.4
Cement: Sacks: 625, Top: 0, Bottom: , Method Grade:
Casing: String Type: 2ND , Hole Size: 6.75, Size: 5.5, Top: 0, Depth: 7840, Weight: 15.5&17
Cement: Sacks: 375, Top: 0, Bottom: , Method Grade:
Formation Log Top Log Bottom Cored DSTs
FRUITLAND 1775
PICTURED CLIFFS 3136
LEWIS 3345
MESAVERDE 4838
GREENHORN 7566
GRANEROS 7624
DAKOTA 7722
Completed information for formation DKTA                                     Status: AB         6/8/1992
1st Production Date: 4/14/1983 Choke Size: 0.750
Status Date: 6/8/1992 Open Hole Completion: Y
Commingled: Production Method: FLOWING
Formation Name: DAKOTA Status: AB
Formation Treatment
Treatment Date: 7/28/1982    
Treatment summary: SEE SCANNED DOCUMENT 00668486
Tubing Size: 1.5 Tubing Setting Depth: 7781
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: 7840 Open Hole Bottom: 7881
    Initial Test Data:
Test Date: 7/28/1982 Test Method: FLOWING
Hours Tested: 3 Gas Type:
Gas Disposal: VENTED
Test Type Measure
    CALC_MCF_GAS 1685    
    CASING_PRESS 2138    
    TUBING_PRESS 136    
    Perforation Data:
    Interval Bottom: 7825 Interval Top: 7738
    # of Holes: 45 Hole Size:
Completed information for formation FRLDC                                     Status: PR         2/19/2005
1st Production Date: N/A Choke Size:
Status Date: 2/19/2005 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: FRUITLAND COAL Status: PR
Formation Treatment
Treatment Date: 2/19/2005    
Treatment summary: AS OF 02/19/05 BOTH TUBING STRINGS AND THE PACKER WERE REMOVED AND THE COMMINGLED DOWNHOLE WITH THE MESAVERDE
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 2/19/2005 Test Method: PUMPING
Hours Tested: 24 Gas Type:
Gas Disposal:
Test Type Measure
    BBLS_H2O 40    
    BTU_GAS 932    
    MCF_GAS 2300    
    TUBING_PRESS 65    
    Perforation Data:
    Interval Bottom: 3114 Interval Top: 2898
    # of Holes: Hole Size:
Completed information for formation MVRD                                     Status: PR         2/19/2005
1st Production Date: N/A Choke Size:
Status Date: 2/19/2005 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: MESAVERDE Status: PR
Formation Treatment
Treatment Date: 2/19/2005    
Treatment summary: SEE ABOVE
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: N/A Test Method:
Hours Tested: Gas Type:
Gas Disposal:
Test Type Measure
    BBLS_H2O 14    
    MCF_GAS 2870    
    TUBING_PRESS 170    
    Perforation Data:
    Interval Bottom: 5516 Interval Top: 5414
    # of Holes: Hole Size:
Completed information for formation PCCF                                     Status: AB         4/22/1998
1st Production Date: 1/20/1993 Choke Size: 0.750
Status Date: 4/22/1998 Open Hole Completion:
Commingled: Production Method: FLOWING
Formation Name: PICTURED CLIFFS Status: AB
Formation Treatment
Treatment Date: 7/28/1982    
Treatment summary: SEE SCANNED DOCUMENT 00668477
Tubing Size: 2.062 Tubing Setting Depth: 3149
Tubing Packer Depth: 3190 Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 12/11/1992 Test Method: FLOWING
Hours Tested: 13 Gas Type:
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 12    
    MCF_GAS 525    
    Perforation Data:
    Interval Bottom: 3160 Interval Top: 3150
    # of Holes: Hole Size: 0.47