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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 17-04B Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: Hotchkiss <br /> Date Commenced: 6-Jul-11 Date Completed: 11-Jul-11 <br /> Contractor: Himes Drilling Rig Type: Atlas Copco RD20 <br /> Geologist: Doug Allen Date: 26-Oct-I1 Toolpusher: Matt Himes <br /> Driller: Jim Weatherton Truck Driver: Jason Grundy Helper: Kenny N. <br /> Kirk Homedew Will Juusola Cameron S, <br /> Coordinates: N. 17544.06 E. 36084.75 <br /> Location: Township,Range&Section: SE 1/4, Sec.31,T. 12 S., R.90 W. <br /> Ground Elevation: 8104' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 2312' Probe Depth: NA Fluid Level: NA <br /> Casing Type: steel T&C Size: 9 5/8" <br /> Casing Type: sol/slot steel T&C Size: 7" <br /> Depth: 0-2010' Recovered(Y or N): N <br /> Depth: 1960.3-2312' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 17" Hammer to 40'(14"surface casing) <br /> Main Hole 121/4" PDC from 40-2010' <br /> Core: <br /> Bottom Hole 8 3/4" PDC from 2010-2312' <br /> Footage Plugged: 0-2312' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-40' 40-2312' <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: N No.of Bags: 6 yds for 9 5'8"annulus <br /> Interval: to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: 7"casing overlaps 497 inside 9 5/8"casing. <br /> 298.5'slotted 7"casing below 53.2'solid 7"casing.Landed at 2306.3'. <br /> Drilled directionally from 500-2010'.Bottom of 9 5/8"casing located 360'at azimuth 318.23 degrees. <br /> 9 5/8"casing abandoned to surface with 28 cubic yards portland cement slurry May,2012, <br /> Himes Drilling Colorado water well license#1285 <br />