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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: GVB- LW09 -03 Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: COC -61357 (State or Federal) Surface Owner: USFS <br />Date Commenced: 31- Jul -06 Date Completed: 16- Aug -06 <br />Contractor: WDC Drilling, Inc. Rig Type: Gefco 90K <br />Geologist: Doug Allen Date : <br />15- Oct -06 <br />Toolpusher: Kevin Jones <br />Driller: Alan Taylor Truck Driver: <br />Sam Rivera <br />Helper: Max Karish <br />Kevin Lewis <br />Marvin Eldridge <br />Geoff Sakioka <br />Coordinates: N. 17671.12 E. <br />27218.33 <br />Location: Township, Range & Section: <br />SE 1/4 Sec. 35, T. 12 S., R. 91 W. <br />Ground Elevation: 8121' Collar Elevation: <br />Geophysical Log Measured From: Ground <br />Elevation <br />Total Depth: 2060' Probe Depth: <br />2060' <br />Fluid Level: NA <br />Casing Type: steel, T &C <br />Size: <br />9 5/8" <br />Casing Type: slotted steel, TUC <br />Size: <br />7" <br />Depth: 0 -1840' Recovered (Y or N): <br />N- cemented <br />Depth: 1765 -2009' Recovered (Y or N): <br />N -loose <br />Bit Information <br />Surface Casing 17" Tri -cone (14" casing) from 0 -20' <br />Main Hole 12 1/4" Tri -cone to 1840' <br />Core: <br />Bottom Hole 8 3/4" Tri -cone to 2060' <br />Footage Plugged: 2060' Cored: 0 <br />Drilling Medium: Air: Sta -Foam 202/Water: Mud: Foam Injection: <br />Depths: 0 -20' 20 -2060' <br />Lost Circulation Depths: NA Regained ? (Y or N): <br />Water Invasion Depth or Intervals: NA Estimated Inflow Rates: <br />Gas Invasion Depth or Interval: NA <br />Geophysical Logging Contractor: Jet West Geophysical, LLC <br />Logs Run: Gamma: X Neutron: <br />Temperature: Density: X <br />Resistivity: X Caliper: X <br />Other (SP, Foc. Elec., Drift, Dep., Sonic): Deviation: 377 @ 237 degrees <br />Hole Cemented( Y or N ),Type: Y <br />No. of Bags: 17 yds po for 9 5/8 annulus <br />Interval: to surface <br />Coal Core Sent To: NA <br />Comments: First run with 7" unsuccessful- pl <br />D2 seam. Casing pulled and reset @ 2006'. 7" casin <br />Rock Sent To: NA <br />cement plug and 1' into <br />75' inside 9 5/8 ". <br />(More 7" set than planned- 12 1/4" bits worn out. large hole called 1 00' short of nlan.) <br />9 5/8" casing abandoned to surface with 21 cubic yards portland type 11 cement July, 2009. <br />