2010-09-17_PERMIT FILE - C1981022A

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 9/17/2010
• Doc Name: Borehole Abandonment Reports
• Section_Exhibit Name: Exhibit 2.04-E3 Tab I/Item 9
• Media Type: D
• Archive: Yes

Oxbow Mining LLC
Elk Creek Mine
Hole Number: GVB 10 -03B Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: USFS
Date Commenced: 20- Apr -08 Date Completed: 1- May -08
Contractor: Boart Longyear Rig Type:
LK38A
Drilling Medium: Air: Foam /Water:
Geologist: Doug Allen Date :
11- Nov -08
Toolpusher: Paul Breider
Driller: S. Balenseifer Truck Driver:
B. Cox
Helper: J. Hamilton
J. Jessop
R. Ostler
P. Cramer
Coordinates: N. 18891.82 E.
27324.14
Logs Run: Gamma:
Location: Township, Range & Section:
SE 1/4 Sec.35, T.12S., R.90W.
Ground Elevation: 8171' Collar Elevation:
Resistivity:
Caliper:
Geophysical Log Measured From: ground
Elevation
Hole Cemented( Y or N ),Type: Y
Total Depth: 2328' Probe Depth:
NA
Fluid Level: NA
Casing Type: steel
Size:
14"
Casing Type: steel T &C
Size:
9 5/8"
Depth: 0 -20' Recovered (Y or N):
N
Depth: 0 -2217' Recovered (Y or N):
N
Bit Information
Surface Casing 16" Tricone to 20'
Main Hole 12.319" Hammer to 723'/ 12 1/4" Tricone to 2217'
Core:
Bottom Hole 8" Hammer to 2328'
Footage Plugged: 2328' Cored:
0
Drilling Medium: Air: Foam /Water:
Mud: Foam Injection:
Depths: 0 -20' 20 -2328'
Lost Circulation Depths: NA
Regained ? (Y or N):
Water Invasion Depth or Intervals: NA
Estimated Inflow Rates:
Gas Invasion Depth or Interval: NA
Geophysical Logging Contractor: NA
Logs Run: Gamma:
Neutron:
Temperature:
Density:
Resistivity:
Caliper:
Other (SP, Foc. Elec., Drift, Dep., Sonic):
Hole Cemented( Y or N ),Type: Y
No. of Bags: 16 Supersacks
Interval: to surface
Coal Core Sent To: NA
Rock Sent To: NA
Comments: 115' slotted 7" casing below 38' solid 7" casing for bottom hole.
7" overlaps 42' inside 9 5/8" casing.
9 5/8" casing abandoned to surface with 25 cubic yards portland
type 11 cement July, 2008.