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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 15-07 Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: BLM <br /> Date Commenced: 26-Aug-09 Date Completed: 4-Sep-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: Shaun L. Helper: Dave T. <br /> Sam Homedew Tommy Dennis Eldon S. <br /> Coordinates: N. 14620.78 E. 38353.47 <br /> Location: Township,Range&Section: NW 1/4, Sec.5,T. 13 S.,R. 90 W. <br /> Ground Elevation: 8089' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 2190' Probe Depth: 2190' 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: 0-206Y Recovered(Y or N): N <br /> Depth: 1981-2150' 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 20-2060' <br /> Core: <br /> Bottom Hole 8 3/4"Tricone from 2060-2190' <br /> Footage Plugged: 0-2190' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-2190' <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 79'inside 9 5/8"casing. <br /> 9 5/8"annulus cemented with 30 bags plus 2 yds neat cement slurry. <br /> Tagged gravel at 2161', tagged cement plug at 2150'. <br /> 9 5/8"casing abandoned to surface with 30 cubic yards Portland type II cement August,2010 <br /> Himes Drilling Colorado water well license#1285 <br />