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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 16-02C Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: Hotchkiss <br /> Date Commenced: 4-Jan-11 Date Completed: 9-Jan-11 <br /> Contractor: Himes Drilling Rig Type: Atlas Copco RD20 <br /> Geologist: Doug Allen Date: 22-Jan-11 Toolpusher: Matt Himes <br /> Driller: Jim Weatherton Truck Driver: Kirk Homedew Helper: Richard M. <br /> Sam Homedew Will Juusola Trey H./Chad H. <br /> Coordinates: N. 16593.80 E. 34802.80 <br /> Location: Township,Range&Section: SW 1/4, Sec.31,T. 12 S., R.90 W. <br /> Ground Elevation: 7691' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 1802' Probe Depth: NA Fluid Level: NA <br /> Casing Type: steel T&C Size: 9 5/8" <br /> Casing Type: Size: <br /> Depth: 0-840' Recovered(Y or N): N <br /> Depth: Recovered(Y or N): <br /> Bit Information <br /> Surface Casing 16" Tricone to 87'(14"surface casing) <br /> Main Hole 12 1/4" PDC from 87-864' <br /> Core: <br /> Bottom Hole 8 3/4"Tricone from 864-1802' <br /> Footage Plugged: 0-1802' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-290' 290-1802' <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: Directional hole-no logging. <br /> Logs Run: Gamma: Neutron: <br /> Temperature: Density: <br /> Resistivity: Caliper: <br /> Other(SP, Foc. Elec., Drift,Dep.,Sonic): <br /> Hole Cemented (Y or N ),Type: Y No.of Bags:5 yds for 9 5/8"annulus <br /> Interval:to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: Drilled into gob behind longwall. No 7"casing-8 3/4'hole left open. <br /> 121/4"directional hole drilled from 290-840'. Bottom of 9 5/8"casing located at azimuth 18.55 degrees, <br /> 72,99'from surface location. Only upper portion drilled directionally in order to avoid sticking motor in gob. <br /> 9 5/8"casing abandoned to surface with 18 yds portland type 11 cement September,2011, <br /> Himes Drilling Colorado water well license#1285 <br />