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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: GVB 11 -01A Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: COC -61357 (State or Federal) Surface Owner: USFS <br />Date Commenced: 2- Aug -07 Date Completed: 15- Aug -07 <br />Contractor: Stewart Bros. <br />Rig Type: Failing 2500 Rig 4 <br />Geologist: Doug Allen <br />Date : <br />15- Jan -08 <br />Toolpusher: Danny White <br />Driller: Gabe Armijo <br />Truck Driver: <br />Austin Martinez <br />Helper: A Torrez <br />Kevine Begay <br />J. Trujillo <br />J. Long <br />Randy McClard <br />A. Sandoval <br />N. Bdte <br />Coordinates: N. 20396.13 <br />E. <br />25432.66 <br />Location: Township, Range & Section: <br />NE 1/4 Sec. 35, T.12S., R. 90W. <br />Ground Elevation: 8227' <br />Collar Elevation: <br />Geophysical Log Measured From: <br />Ground <br />Elevation <br />Total Depth: 2280' <br />Probe Depth: <br />2272' <br />Fluid Level: NA <br />Casing Type: steel, T &C <br />Size: <br />9 5/8" <br />Casing Type: steel FJ <br />Size: <br />7" <br />Depth: 9 5/8 ": 0 -2120' Recovered (Y or N): <br />N <br />7 ": 1293 -1455' <br />N <br />Bit Information <br />Main Hole <br />Core: <br />Bottom Hole <br />s to 20'; (14" surface casi <br />12 1 /4" Tdcone to 2130' <br />8 3/4" Tdcone to 2230' <br />Footage Plugged: 2220' Cored: NA <br />Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br />Depths: 0 -20' 20 -2230' <br />Lost Circulation Depths: 260 -600' Regained ? (Y or N): Y <br />Water Invasion Depth or Intervals: NA Estimated Inflow Rates: <br />Gas Invasion Depth or Interval: 2250 -2265' <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: 55' Q 229 deg. <br />Hole Cemented (Y or N ), Type: Y <br />No. of Bags: 2 yds p f or 9 5 annul <br />Interval: to surface <br />Coal Core Sent To: NA Rock Sent To: NA <br />Comments: Ddlled 8 3/4" pilot hole to vedfy mineable thickness, then reamed <br />12 1/4" to 2130' for 9 5/8" casing. Cuttings filled bottom hole dudng reaming, cleaned out to 2251'. <br />9' cement plug from 2240 - 2249'. Bottom of 7" slotted casing 11' above D2 seam (2251- 2263'). <br />Unable to get dumpbailer past 1437'- pluq placed by driller throuoh drill oioe. <br />9 5/8" casing abandoned to surface with 32 cubic yards portland type 11 cement May, 2008. <br />