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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB-LW-03-02 Project ID.: Elk Creek Mine-Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: BLM <br /> Date Commenced: 26-Aug-04 Date Completed: 7-Sep-04 <br /> Contractor: Stewart Bros. Rig Type: Gardner-Denver <br /> Geologist: Doug Allen Date: 10-Sep-04 Toolpusher: Frank Pichardo <br /> Driller: J. Barris Truck Driver: B.Joe Helper: P.Pizano <br /> F.Yonnie B. Roy E.Martinez <br /> Coordinates: N. 11724.4950 E. 37680.6710 <br /> Location: Township, Range&Section: SE 1/4 Sec. 6,T. 13 S.,R. 90 W, <br /> Ground Elevation: 8056' Collar Elevation: <br /> Geophysical Log Measured From: Ground Elevation <br /> Total Depth: 1990, Probe Depth: 1993' Fluid Level: NA <br /> Casing Type: Main hole-Solid steel Size: 7 5/8" <br /> Casing Type:3ottom hole-slotted Size: 51/2" <br /> Depth: 0-1840' Recovered(Y or N): N <br /> Depth: 1786-1946' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 141/4" Tri-cone from 0-17'(12"casing) <br /> Main Hole 9 7/8"Tri-cone from 17'to 1840' <br /> Core: NA <br /> Bottom Hole 6 3/4"Tri-cone from 1840'to 1993' <br /> Footage Plugged: 1993' Cored: 0 <br /> Drilling Medium: Air: Sta-Foam 202/Water: Mud: I Foam Injection: <br /> Depths: 0-20' 20'-1993' <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: NA <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-17.2'at 255.75 degrees <br /> Hole Cemented(Y or N ),Type: Y No.of Bags: 20 bags+5 yds.for annulus <br /> Interval: to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: <br /> 20 bags cement placed on bottom and allowed to set to prevent redi-mix from coming up inside <br /> 7 5/8"casing. 5 yds. red-mix slurry placed from surface. <br /> D2 seam from 1957'-1972'. Bottom hole drilled to 1990'for logging tool rattail. Hole cemented <br /> back up to 1946'(11'above coal). <br /> 160'of 51/2"slotted casing set on bottom loose to cave along with gob-54'overlap inside 7 5/8". <br /> Stewart Bros, Drilling: Colorado water well license# 1141 <br /> Pneumatic plug set Q 290'on Aug. 19,cemented to surface and abandoned on Aug,24,2005. <br />