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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: VB -01 S-01 utility Project ID.: Elk Creek Mine Methane Ventilation <br />Lease Number: COC -61357 (State or Federal) Surface Owner: BLM <br />Date Commenced: 16 -Nov -08 Date Completed: 17 -Nov -08 <br />Contractor: Himes Drilling Rig Type: Portadrill TKT Rig 7 <br />Geologist: Doug Allen Date : 13 -Dec -10 Toolpusher: <br />Driller: Kevin Himes Truck Driver: Aaron Bucheim Helper: Will Juusola <br />Coordinates: N. 4720.60 E. <br />30974.70 <br />Location: Township, Range & Section: <br />SE 1/4 Sec. 12, T. 13S., R.91W. <br />Ground Elevation: 7024' Collar Elevation: <br />Geophysical Log Measured From: ground <br />Elevation <br />Total Depth: 429' Probe Depth: <br />NA Fluid Level: NA <br />Casing Type: steel T&C <br />Size: 7.0° <br />Casing Type: steel T&C <br />Size: 4.5" <br />Depth: 0-40' Recovered (Y or N): <br />N <br />Depth: 0-430' Recovered (Y or N): <br />N <br />Bit Information <br />Surface Casing 8 3/4" Tricone to 40' <br />Main Hole 6 1/4" Tricone to 429' <br />Core: <br />Bottom Hole <br />Footage Plugged: 440' Cored: 0 <br />Drilling Medium: Air: Foam /Water: Mud: Foam Injection: <br />Depths: 0-440' <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 for bride plug <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: 1.25 cubic yds cement slurry <br />Interval: to surface <br />Coal Core Sent To: NA Rock Sent To: NA <br />Comments: Casing installed for utility line and tubing sampling bundle. <br />bridge plug set at 400' and casing cemented to surface with 1.25 cubic vards <br />Himes Drilling Colorado water well license #1285 <br />