COGIS - WELL Information

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Surface Location Data for API # 05-045-13571                               Status: PR         4/5/2008
Well Name/No: DEVER #A12 (click well name for production)
Operator: URSA OPERATING COMPANY LLC - 10447
Status Date: 4/5/2008 Federal or State Lease #:
FacilityID: 288803 LocationID: 311676
County: GARFIELD #045 Location: SWSE  18 6S92W 6 PM
Field: MAMM CREEK  - #52500 Elevation: 5,571 ft.
Planned Location       1020 FSL  1790 FWL Lat/Long: 39.522167/-107.708722 Lat/Long Source: Field Measured
As Drilled Location      1040 FSL  1764 FWL Lat/Long: 39.522194/-107.708814 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         4/5/2008
Spud Date: 11/7/2007 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20066083 Expiration Date: 1/4/2008
Prop Depth/Form: 8732 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: 11/17/2007
Measured TD: 8880 Measured PB depth: 8823
True Vertical TD: 8697 True Vertical PB depth: 8641
Top PZ Location:           Sec: 18 Twp: 6S 92W Footage: 2057 S  834 W Depth
Bottom Hole Location:   Sec: 18 Twp: 6S 92W Footages: 2057 FSL  834 FWL Depth
Log Types: TRIPLE 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: 1148, Weight:
Cement: Sacks: 285, Top: 0, Bottom: 1155, Determination Method: CALC
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 8865, Weight:
Cement: Sacks: 725, Top: 3566, Bottom: 8865, Determination Method: CBL
Formation Log Top Log Bottom Cored DSTs
WILLIAMS FORK 4015 N N
CAMEO 6782 N N
ROLLINS 7737 N N
COZZETTE 8303 N N
CORCORAN 8559 N N
Completed information for formation COZZ                                     Status: PR         11/1/2012
1st Production Date: 4/5/2008 Choke Size:
Status Date: 11/1/2012 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: COZZETTE Status: PR
Formation Treatment
Treatment Date: 3/22/2008    
Treatment summary: FRAC W/9,453 BBLS OF 2& KCL & 210,500# 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: 8440 Interval Top: 8309
    # of Holes: 36 Hole Size: 0.42
Completed information for formation CRCRN                                     Status: PR         4/5/2008
1st Production Date: 4/5/2008 Choke Size:
Status Date: 4/5/2008 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: CORCORAN Status: PR
Formation Treatment
Treatment Date: 3/22/2008    
Treatment summary: FRAC W/9,317 BBLS OF 2% KCL & 201,700# 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: 8728 Interval Top: 8564
    # of Holes: 48 Hole Size: 0.42
Completed information for formation WFCM                                     Status: PR         2/1/2011
1st Production Date: 4/5/2008 Choke Size:
Status Date: 2/1/2011 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: WILLIAMS FORK - CAMEO Status: PR
Formation Treatment
Treatment Date: 3/27/2008    
Treatment summary: WFCM- FRAC W/ 24,054 BBLS OF 2% KCL & 507,100# 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: 7717 Interval Top: 6736
    # of Holes: 150 Hole Size: 0.42
Completed information for formation WFILS                                     Status: CM         4/15/2008
1st Production Date: 4/5/2008 Choke Size: 0.250
Status Date: 4/15/2008 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: WILLIAMS FORK-ILES Status: CM
Formation Treatment
Treatment Date: 3/22/2008    
Treatment summary:
Tubing Size: 2.375 Tubing Setting Depth: 7647
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 4/15/2008 Test Method: FLOWING
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 515    
    BTU_GAS 1048    
    CALC_BBLS_H2O 515    
    CALC_MCF_GAS 1253    
    CASING_PRESS 3000    
    MCF_GAS 1253    
    TUBING_PRESS 1950    
    Perforation Data:
    Interval Bottom: 8728 Interval Top: 6736
    # of Holes: 234 Hole Size: 0.42