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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: <br />GVB 16-02C <br />Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: <br />COC -61357 <br />(State or Federal) <br />Surface Owner: <br />Hotchkiss <br />Date Commenced: <br />4 -Jan -11 <br />Date Completed: <br />9 -Jan -11 <br />Water Invasion Depth or Intervals: <br />Contractor: <br />Himes Drilling <br />Rig Type: <br />Atlas Copco RD20 <br />Geologist: <br />Doug Allen <br />Date : <br />22 -Jan -11 <br />Toolpusher: Matt Himes <br />Driller: <br />Jim Weatherton <br />Truck Driver: <br />Kirk Homedew <br />Helper: Richard M. <br />Caliper: <br />Sam Homedew <br />Drift, Dep., Sonic): <br />Will Juusola <br />Trey H./Chad H. <br />Coordinates: N. <br />16593.80 <br />E. <br />34802.80 <br />Interval: to surface <br />Location: Township, Range & Section: <br />SW 1/4, Sec. 31, T. 12 S., R. 90 W. <br />Ground Elevation: <br />7691' <br />Collar Elevation: <br />Geophysical Log Measured From: <br />ground <br />Elevation <br />Total Depth: <br />1802' <br />Probe Depth: <br />NA <br />Fluid Level: NA <br />Casing Type: <br />steel T&C <br />Size: <br />9 5/8" <br />Casing Type: <br />Size: <br />Depth: <br />0-840' <br />Recovered (Y or N): <br />N <br />Depth: <br />Recovered (Y or N): <br />Bit Information <br />Surface Casing <br />16" Tricone to 87' <br />(14" surface casing) <br />Main Hole <br />121/4" PDC from 87-864' <br />Core: <br />Bottom Hole <br />8 3/4" Tricone from 864-1802' <br />Footage Plugged: 0-1802' <br />Cored: <br />NA <br />Drilling Medium: Air: <br />Foam (Water: <br />Mud: Foam Injection: <br />Depths: 0-290' <br />290-1802' <br />Lost Circulation Depths: <br />NA <br />Regained ? (Y or N): <br />Water Invasion Depth or Intervals: <br />NA <br />Estimated Inflow Rates: <br />Gas Invasion Depth or Interval: <br />NA <br />Geophysical Logging Contractor: Directional hole- no logging. <br />Logs Run: Gamma: <br />Neutron: <br />Temperature: <br />Density: <br />Resistivity: <br />Caliper: <br />Other (SP, Foc. Elec., <br />Drift, Dep., Sonic): <br />Hole Cemented (Y or N ), Type: <br />Y <br />No. of Bags: 5 yds for 9 5/8" annulus <br />Interval: to surface <br />Coal Core Sent To: NA <br />Rock Sent To: NA <br />Comments: Di <br />12 114" directional hole <br />9 5/8" casing abandoned to surface with 18 yds portland type II cement September, 2011 <br />Himes Drilling Colorado water well license #1285 <br />