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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 15-02 Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: Hotchkiss <br /> Date Commenced: 3-Oct-09 Date Completed: 6-Oct-09 <br /> Contractor: Himes Drilling Rig Type: Atlas Copco RD20 <br /> Geologist: Doug Allen Date: 13-Nov-09 Toolpusher: Matt Himes <br /> Driller: Jim Weatherton Truck Driver: Will Juusola Helper: Beau 0. <br /> Sam Homedew Tommy Dennis Eldon S. <br /> Coordinates: N. 15723.32 E. 33715.40 <br /> Location: Township, Range&Section: SW 1/4,Sec.31, T.12 S., R.90 W. <br /> Ground Elevation: 7631' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 1625' Probe Depth: 1626' Fluid Level: NA <br /> Casing Type: steel T&C Size: 9 5/8" <br /> Casing Type: so►/slot steel T&C Size: 7" <br /> Depth: 0-1470' Recovered(Y or N): N <br /> Depth: 1406-1588' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 16"Tricone to 20'(14"surface casing) <br /> Main Hole 121/4" PDC from 20-1470' <br /> Core: <br /> Bottom Hole 8 3/4"Tricone from 1470-1625' <br /> Footage Plugged: 0-1625' Cored: NA <br /> Drilling Medium: Air: Foam(Water: Mud: Foam Injection: <br /> Depths: 0-20' 20-1625' <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: Jetwest Geophysical <br /> Logs Run: Gamma: Y Neutron: <br /> Temperature: Density: Y <br /> Resistivity: Y Caliper: Y <br /> Other(SP, Foc.Elec., Drift,Dep.,Sonic): cement dump bailer <br /> Hole Cemented (Y or N ),Type: N No.of Bags: <br /> Interval: <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: 7"casing overlaps 64'inside 9 5/8"casing. <br /> 9 5/8"annulus cemented with 30 bags plus 3 yds neat cement slurry. <br /> Tagged gravel at 1596',tagged cement plug at 1588'. <br /> 9 5/8"casing abandoned to surface with 1 cubic yards portland cement slurry May,2012. <br /> Himes Drilling Colorado water well license#1285 <br />