COGIS - WELL Information

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Surface Location Data for API # 05-045-13629                               Status: PR         1/26/2009
Well Name/No: DEVER #A10 (click well name for production)
Operator: URSA OPERATING COMPANY LLC - 10447
Status Date: 1/26/2009 Federal or State Lease #:
FacilityID: 289040 LocationID: 311676
County: GARFIELD #045 Location: SWSE  18 6S92W 6 PM
Field: MAMM CREEK  - #52500 Elevation: 5,571 ft.
Planned Location       1030 FSL  1765 FWL Lat/Long: 39.52216/-107.70881 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 39.522167/-107.70881 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: AL         12/13/2006
Spud Date: 6/16/2007 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20066343 Expiration Date: 1/21/2008
Prop Depth/Form: 8895 Surface Mineral Owner Same: N
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: ILES , Formation: ILES , Order: 191-25 , Unit Acreage: 260, Drill Unit: S2
Formation and Spacing: Code: WMFK , Formation: WILLIAMS FORK , Order: 191-13 , Unit Acreage: 260, Drill Unit: S2
Wellbore Completed
Completion Date: N/A
Measured TD: 6566 Measured PB depth:
True Vertical TD: True Vertical PB depth:
Top PZ Location:           Sec: Twp: Footage: 2181 S  662 W Depth
Bottom Hole Location:   Sec: Twp: Footages:  FSL   FWL Depth
Log Types:
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 50, Weight:
Cement: Sacks: 148, Top: 0, Bottom: 50, Determination Method: CALC
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 1527, Weight:
Cement: Sacks: 381, Top: 0, Bottom: 1527, Determination Method: CALC
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: , Depth: 6451, Weight:
Cement: Sacks: , Top: , Bottom: , Determination Method:
Formation Log Top Log Bottom Cored DSTs
No additional interval records were found for sidetrack 00.
Wellbore Data for Sidetrack #01                                                    Status: PR         1/26/2009
Spud Date: 7/10/2007 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20075179 Expiration Date: 9/14/2010
Prop Depth/Form: 8803 Surface Mineral Owner Same: N
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: ILES , Formation: ILES , Order: 191-25 , Unit Acreage: 260, Drill Unit: S/2
Formation and Spacing: Code: WMFK , Formation: WILLIAMS FORK , Order: 191-13 , Unit Acreage: 260, Drill Unit: S/2
Wellbore Completed
Completion Date: 8/18/2007
Measured TD: 8795 Measured PB depth: 8802
True Vertical TD: 8607 True Vertical PB depth: 8614
Top PZ Location:           Sec: 18 Twp: 6S 92W Footage: 1686 S  862 W Depth
Bottom Hole Location:   Sec: 18 Twp: 6S 92W Footages: 1686 FSL  862 FWL Depth
Log Types: TRIPLE COMBO (NEUTRON DENSITY, INDUCTION) CBL
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 60, Weight:
Cement: Sacks: 5, Top: 0, Bottom: 60, Determination Method: CALC
Casing: String Type: SURF , Hole Size: 13.5, Size: 8.625, Top: 0, Depth: 1532, Weight:
Cement: Sacks: , Top: 0, Bottom: 1532, Determination Method: CALC
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 8843, Weight:
Cement: Sacks: 1440, Top: 4200, Bottom: 8863, Determination Method: CBL
Formation Log Top Log Bottom Cored DSTs
MESAVERDE 4076 N N
COAL 4995 N N
CAMEO 6770 N N
ROLLINS 7747 N N
COZZETTE 8320 N N
CORCORAN 8580 N N
Completed information for formation COZZ                                     Status: PR         1/26/2009
1st Production Date: 3/7/2008 Choke Size:
Status Date: 1/26/2009 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: COZZETTE Status: PR
Formation Treatment
Treatment Date: 2/27/2008    
Treatment summary: FRAC'D W/ 11,386 BBLS 2% KCL & 258,100# 20/40 SAND.
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 COZZ .
    Perforation Data:
    Interval Bottom: 8452 Interval Top: 8327
    # of Holes: 48 Hole Size: 0.42
Completed information for formation CRCRN                                     Status: PR         1/26/2009
1st Production Date: 3/7/2008 Choke Size:
Status Date: 1/26/2009 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: CORCORAN Status: PR
Formation Treatment
Treatment Date: 2/27/2008    
Treatment summary: FRAC'D W/11,386 BBLS 2% KCL & 258,100# 20/40 SAND.
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 CRCRN .
    Perforation Data:
    Interval Bottom: 8702 Interval Top: 8586
    # of Holes: 48 Hole Size: 0.42
Completed information for formation WFCM                                     Status: PR         1/26/2009
1st Production Date: 3/7/2008 Choke Size:
Status Date: 1/26/2009 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: WILLIAMS FORK - CAMEO Status: PR
Formation Treatment
Treatment Date: 2/27/2008    
Treatment summary: WFCM: FRAC'D W/32,082 BBLS 2% KCL & 678,900# 20/40 SAND
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 WFCM .
    Perforation Data:
    Interval Bottom: 7726 Interval Top: 6100
    # of Holes: 213 Hole Size: 0.42
Completed information for formation WFILS                                     Status: CM         3/18/2008
1st Production Date: 3/7/2008 Choke Size: 0.250
Status Date: 3/18/2008 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: WILLIAMS FORK-ILES Status: CM
Formation Treatment
Treatment Date: 2/27/2008    
Treatment summary:
Tubing Size: 2.375 Tubing Setting Depth: 7603
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 3/18/2008 Test Method: FLOWING
Hours Tested: 24 Gas Type: DRY
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 409    
    BBLS_OIL 0    
    BTU_GAS 1172    
    CALC_BBLS_H2O 409    
    CALC_BBLS_OIL 0    
    CALC_GOR 0    
    CALC_MCF_GAS 1255    
    CASING_PRESS 2450    
    MCF_GAS 1255    
    TUBING_PRESS 1875    
    Perforation Data:
    Interval Bottom: 8702 Interval Top: 6100
    # of Holes: 309 Hole Size: 0.42