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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: BLM <br />Date Commenced: 29- Jul -04 Date Completed: 3- Aug -04 <br />Contractor: Stewart Bros. Rig Type: <br />Gardner - Denver <br />Geologist: Doug Allen Date : <br />3- Aug -04 <br />Toolpusher: Frank Pichardo <br />Driller: J. Barns Truck Driver: <br />B. Joe <br />Helper: B. Wollweber <br />F. Yonnie <br />B. Roy <br />C. Delgarito <br />Coordinates: N. 12372.5840 E. <br />34167.0480 <br />Location: Township, Range & Section: <br />SW 1/4 Sec. 6, T. 13 S., R. 90 W. <br />Ground Elevation: 6772' Collar Elevation: <br />Geophysical Log Measured From: Ground <br />Elevation <br />Total Depth: 566' Probe Depth: <br />484' <br />Fluid Level: NA <br />Casing Type: Main hole- Solid s teel <br />Size: <br />75/8" <br />Casing Type: lottom hole- slotte <br />Size: <br />51/2" <br />Depth: 0 -485' Recovered (Y or N): <br />N <br />Depth: 446' -566' Recovered (Y or N): <br />N <br />Bit Information <br />Surface Casing 14 1/4" Tri-cone from 0-40'(12" casing) <br />Main Hole 9 7/8" Tri-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: I 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% @ well head <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, Foc. 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 5 112" 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 />