COGIS - WELL Information

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Surface Location Data for API # 05-045-13630                               Status: PR         1/22/2007
Well Name/No: DEVER #A13 (click well name for production)
Operator: URSA OPERATING COMPANY LLC - 10447
Status Date: 1/22/2007 1:45:42 PM Federal or State Lease #:
FacilityID: 289039 LocationID: 311676
County: GARFIELD #045 Location: SWSE  18 6S92W 6 PM
Field: MAMM CREEK  - #52500 Elevation: 5,571 ft.
Planned Location       1020 FSL  1765 FWL Lat/Long: 39.52213/-107.70881 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 39.522139/-107.708812 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         12/13/2006
Spud Date: 11/20/2007 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20066344 Expiration Date: 1/21/2008
Prop Depth/Form: 8810 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: 11/28/2007
Measured TD: 8755 Measured PB depth: 8711
True Vertical TD: 8656 True Vertical PB depth: 8612
Top PZ Location:           Sec: 18 Twp: 6S 92W Footage: 1357 S  809 W Depth
Bottom Hole Location:   Sec: 18 Twp: 6S 92W Footages: 1357 FSL  809 FWL Depth
Log Types: TRIPPLE COMBO (RMTE/CCL/GR) & CBL
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 50, Weight:
Cement: Sacks: 100, Top: 0, Bottom: 50, Determination Method: CALC
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 912, Weight:
Cement: Sacks: 259, Top: 0, Bottom: 915, Determination Method: CALC
Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 8751, Weight:
Cement: Sacks: 725, Top: 3900, Bottom: 8755, Determination Method: CBL
Formation Log Top Log Bottom Cored DSTs
WILLIAMS FORK 3929 N N
CAMEO 6765 N N
ROLLINS 7639 N N
COZZETTE 8210 N N
CORCORAN 8460 N N
Completed information for formation COZZ                                     Status: PR         12/13/2006
1st Production Date: 4/13/2008 Choke Size:
Status Date: 12/13/2006 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: COZZETTE Status: PR
Formation Treatment
Treatment Date: 3/22/2008    
Treatment summary: FRAC W/7,763 BBLS 2% KCL & 168,300# 30/50 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: 8344 Interval Top: 8218
    # of Holes: 33 Hole Size: 0.42
Completed information for formation CRCRN                                     Status: PR         12/13/2006
1st Production Date: 4/13/2008 Choke Size:
Status Date: 12/13/2006 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: CORCORAN Status: PR
Formation Treatment
Treatment Date: 3/21/2008    
Treatment summary: FRAC W/4,837 BBLS 2% KCL & 90,400# 30/50 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: 8648 Interval Top: 8464
    # of Holes: 42 Hole Size: 0.42
Completed information for formation WFCM                                     Status: PR         1/23/2009
1st Production Date: 4/13/2008 Choke Size:
Status Date: 1/23/2009 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: WILLIAMS FORK - CAMEO Status: PR
Formation Treatment
Treatment Date: 3/26/2008    
Treatment summary: FRAC W/39,496 BBLS OF 2% KCL & 1,088,100# 30/50 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: 7619 Interval Top: 5946
    # of Holes: 228 Hole Size: 0.42
Completed information for formation WFILS                                     Status: CM         4/21/2008
1st Production Date: 4/13/2008 Choke Size: 0.375
Status Date: 4/21/2008 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: WILLIAMS FORK-ILES Status: CM
Formation Treatment
Treatment Date: 3/21/2008    
Treatment summary:
Tubing Size: 2.375 Tubing Setting Depth: 7550
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 4/21/2008 Test Method: FLOWING
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 515    
    BTU_GAS 1127    
    CALC_BBLS_H2O 515    
    CALC_MCF_GAS 2061    
    CASING_PRESS 2300    
    MCF_GAS 2061    
    TUBING_PRESS 1350    
    Perforation Data:
    Interval Bottom: 8648 Interval Top: 5946
    # of Holes: 303 Hole Size: 0.42