COGIS - WELL Information

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Surface Location Data for API # 05-123-30574                               Status: PR         3/1/2010
Well Name/No: JAKE #2-01H (click well name for production)
Operator: EOG RESOURCES INC - 27742
Status Date: 3/1/2010 Federal or State Lease #: FEE
County: WELD #123 Location: SENW  1  11N  63W  6 PM
Field: HEREFORD  - #34200 Elevation: 5,292 ft.
Planned Location       1894 FNL  1813 FWL Lat/Long: 40.953489/-104.384172 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 40.95349/-104.384172 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         5/4/2010
Spud Date: 8/14/2009 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: 20091920 Expiration Date: 8/9/2010
Prop Depth/Form: 11838 Surface Mineral Owner Same: N
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: , Drill Unit:
Casing: String Type: S.C. 1.1 , Hole Size: 6.25, Size: 4.5, Top: , Depth: 11838, Weight: 11.6
Cement: Sacks: 365, Top: 6700, Bottom: 11838, Method Grade:
Wellbore Completed
Completion Date: 9/5/2009
Measured TD: 11420 Measured PB depth: 11420
True Vertical TD: 7288 True Vertical PB depth: 7288
Top PZ Location:           Sec: 1 Twp: 11N 63W Footage: 2171 FSL  2358 FWL Depth
Bottom Hole Location:   Sec: 1 Twp: 11N 63W Footages: 2171 FSL  2358 FWL Depth
Log Types: MWD/CCL/CBL/VDL/GR
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 80, Weight:
Cement: Sacks: 210, Top: 0, Bottom: 97, Method Grade: CBL
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 1375, Weight:
Cement: Sacks: 954, Top: 0, Bottom: 1375, Method Grade: CBL
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 7558, Weight:
Cement: Sacks: 900, Top: 0, Bottom: 7558, Method Grade: CBL
Casing: String Type: 1ST LINER , Hole Size: 6.25, Size: 4.5, Top: 6659, Depth: 510, Weight:
Cement: Sacks: 6659, Top: 11416, Bottom: , Method Grade: CBL
Formation Log Top Log Bottom Cored DSTs
WHITE RIVER 0 N N
PIERRE 1500 6665 N N
NIOBRARA 6667 11204 N N
Completed information for formation NBRR                                     Status: PR         5/4/2010
1st Production Date: 10/24/2009 Choke Size:
Status Date: 5/4/2010 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: NIOBRARA Status: PR
Formation Treatment
Treatment Date: 9/1/2009    
Treatment summary: FRAC'D 430 BBLS 7-1/2% HCL, 11,964 BBLS TREATED WATER, 53,498 BBLS GELLED WATER, 495,586# 100 MESH SAND AND 4,641,493# 20/40 SAND.
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 10/25/2009 Test Method:
Hours Tested: 24 Gas Type: SHALE
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 175    
    BBLS_OIL 247    
    CALC_GOR 704    
    MCF_GAS 174    
    Perforation Data:
    Interval Bottom: 11185 Interval Top: 7591
    # of Holes: 432 Hole Size: 0.42