COGIS - WELL Information

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Surface Location Data for API # 05-045-13634                               Status: PR         11/20/2007
Well Name/No: DEVER #A8 (click well name for production)
Operator: URSA OPERATING COMPANY LLC - 10447
Status Date: 11/20/2007 Federal or State Lease #:
FacilityID: 289035 LocationID: 311676
County: GARFIELD #045 Location: SWSE  18 6S92W 6 PM
Field: MAMM CREEK  - #52500 Elevation: 5,571 ft.
Planned Location       1000 FSL  1765 FWL Lat/Long: 39.52208/-107.70881 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 39.522056/-107.70881 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         11/20/2007
Spud Date: 12/16/2007 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20076672 Expiration Date: 1/7/2009
Prop Depth/Form: 8707 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: 12/25/2007
Measured TD: 8767 Measured PB depth: 8710
True Vertical TD: 8659 True Vertical PB depth: 8602
Top PZ Location:           Sec: 18 Twp: 6S 92W Footage: 733 S  719 W Depth
Bottom Hole Location:   Sec: 18 Twp: 6S 92W Footages: 733 FSL  719 FWL Depth
Log Types: TRIPLE COMBO (RMTE/CCL/GR) & CBL
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 77, Weight:
Cement: Sacks: 6, Top: 0, Bottom: 77, Determination Method: CALC
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 914, Weight:
Cement: Sacks: 320, Top: 0, Bottom: 925, Determination Method: CALC
Casing: String Type: 1ST , Hole Size: 7.875, Size: 5.5, Top: 0, Depth: 8749, Weight:
Cement: Sacks: 725, Top: 3200, Bottom: 8767, Determination Method: CBL
Formation Log Top Log Bottom Cored DSTs
WILLIAMS FORK 3906 N N
CAMEO 6733 N N
ROLLINS 7607 N N
COZZETTE 8183 N N
CORCORAN 8438 N N
Completed information for formation COZZ                                     Status: PR         9/1/2011
1st Production Date: 4/6/2008 Choke Size:
Status Date: 9/1/2011 Open Hole Completion:
Commingled: Production Method:
Formation Name: COZZETTE Status: PR
Formation Treatment
Treatment Date: 3/25/2008    
Treatment summary: COZZ- FRAC W/8,590 BBLS OF 2% KCL & 189,800# 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: 8318 Interval Top: 8188
    # of Holes: 33 Hole Size: 0.42
Completed information for formation CRCRN                                     Status: PR         9/1/2011
1st Production Date: 4/6/2008 Choke Size:
Status Date: 9/1/2011 Open Hole Completion:
Commingled: Production Method:
Formation Name: CORCORAN Status: PR
Formation Treatment
Treatment Date: 3/20/2008    
Treatment summary: CORC-FRAC W/ 5,777 BBLS OF 2% KCL & 112,100# 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 CRCRN .
    Perforation Data:
    Interval Bottom: 8608 Interval Top: 8441
    # of Holes: 30 Hole Size: 0.42
Completed information for formation WFCM                                     Status: PR         8/23/2011
1st Production Date: 4/6/2008 Choke Size:
Status Date: 8/23/2011 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: WILLIAMS FORK - CAMEO Status: PR
Formation Treatment
Treatment Date: 7/3/2011    
Treatment summary: (Recomplete) Frac'd with 41,933 bbls of 2% KCL Slickwater, 787,300 lbs of 20/40 sand and 98,700 lbs of 20/40 SLC sand WFCM Total Perfs = 144 (Original) + 98 (Recomplete) = 242
Formation Treatment
Treatment Date: 3/25/2008    
Treatment summary: WFCM- FRAC W/21,373 BBLS OF 2% KCL & 442,500# 30/50 SAND
Tubing Size: 2.375 Tubing Setting Depth: 7174
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 7/18/2011 Test Method: Flowing
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 618    
    BTU_GAS 1027    
    CALC_BBLS_H2O 618    
    CALC_MCF_GAS 809    
    CASING_PRESS 500    
    MCF_GAS 809    
    Perforation Data:
    Interval Bottom: 7588 Interval Top: 5952
    # of Holes: 242 Hole Size: 0.42
Completed information for formation WFILS                                     Status: CM         4/22/2008
1st Production Date: 4/6/2008 Choke Size: 0.250
Status Date: 4/22/2008 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: WILLIAMS FORK-ILES Status: CM
Formation Treatment
Treatment Date: 3/20/2008    
Treatment summary:
Tubing Size: 2.375 Tubing Setting Depth: 7520
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 4/22/2008 Test Method: FLOWING
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 520    
    BTU_GAS 1062    
    CALC_BBLS_H2O 520    
    CALC_MCF_GAS 1048    
    CASING_PRESS 2600    
    MCF_GAS 1048    
    TUBING_PRESS 1700    
    Perforation Data:
    Interval Bottom: 8608 Interval Top: 6730
    # of Holes: 207 Hole Size: 0.42