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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB-LW-03-01 Project ID.: Elk Creek Mine-Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: ELM <br /> Date Commenced: 29 Jul 04 Date Completed: 3-Aug-04 <br /> Contractor: Stewart Bros. Rig Type: Gardner-Denver <br /> Geologist: Doug Allen Date: 3-Aug-04 Toolpusher: Frank Pichardo <br /> Driller: J. Barris Truck Driver: B.Joe Helper: B. Wollweber <br /> F.Yonnie B. Roy C. Delgarito <br /> Coordinates: N. 12372.5840 E. 34167.0480 <br /> Location: Township, Range&Section: SW 1/4 Sec.6,T. 13 S., R. 90 W. <br /> Ground Elevation: 6772' Collar Elevation: <br /> Geophysical Log Measured From: Ground Elevation <br /> Total Depth: 566' Probe Depth: 484' Fluid Level: NA <br /> Casing Type: Main hole-Solid steel Size: 7 5/8" <br /> Casing Type:iottom hole-slotted Size: 51/2" <br /> Depth: 0-485' Recovered(Y or N): N <br /> Depth: 446'-566' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 141/4" Tri-cone from 0-40'(12"casing) <br /> Main Hole 9 7/8"Tn-cone from 40'to 485' <br /> Core: NA <br /> Bottom Hole 6 3/4"Tri-cone from 485'to 566' <br /> Footage Plugged: 566' Cored: 0 <br /> Drilling Medium: Air: Sta-Foam 202/Water: Mud: Foam Injection: <br /> Depths: 0-40' 40'-566' <br /> Lost Circulation Depths: NA Regained? (Y or N): NA <br /> Water Invasion Depth or Intervals: NA Estimated Inflow Rates: NA <br /> Gas Invasion Depth or Interval: unknown-30% @ wellhead <br /> Geophysical Logging Contractor: Jet West Geophysical, LLC <br /> Logs Run: Gamma: X Neutron: <br /> Temperature: Density: X <br /> Resistivity: X Caliper: X <br /> Other(SP, Foe. Elec., Drift, Dep.,Sonic): Deviation-20'SE of surface location <br /> Hole Cemented(Y or N ),Type: Y No.of Bags: 9 yds.Portland for annulus <br /> Interval: to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: Hole producing 30%+CH4 before cementing. Gas <br /> shut off entirely after borehole cemented. Broke through into gob @ 565'(6"void),after which well <br /> came under vacuum from mine exhaust fan. <br /> 120'of 51/2"slotted casing set on bottom of hole to cave along with gob-39'overlap inside 7 5/8". <br /> Stewart Bros. Drilling:Colorado water well license#1141 <br /> Pneumatic plug set @ 430'on Aug.9,cemented to surface and abandoned on Aug.24, 2005. <br />