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 -03
Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number:
COC -61357
(State or Federal) Surface Owner: USFS
Date Commenced:
27- Jul -07
Date Completed: 11- Aug -07
Contractor:
Stewart Bros.
Rig Type: Failing 2500 Rig 4
Geologist:
Doug Allen
Date : 15- Jan -08 Toolpusher: Joe Sanchez
Driller:
Bryan Joe
Truck Driver: J. Billy Helper: S. Platero
Bryan Tulley
T. Martinez C. Charley
Earl Martinez
D. Hudson 0. Chacho
Coordinates: N.
18817.04
E. 27308.90
Location: Township,
Range & Section: SE 1/4 Sec. 35, T.12S., R. 90W.
Ground Elevation:
8167'
Collar Elevation:
Geophysical Log Measured From:
Ground Elevation
Total Depth:
2180'
Probe Depth: 2173' Fluid Level: NA
Casing Type:
steel, T &C
Size: 95/8"
Casing Type:
steel, FJ
Size: 7" (5 slotted, 2 solid)
Depth:
9 5/8 ": 0 -2020'
Recovered (Y or N): N
7 ": 1971 -2111
N
Bit Information
Surface Casing
17" Tricone to 20';
(14" surface casing)
Main Hole
(Reamed) 12 1/4" Tricone to 2020'
Core:
NA
Bottom Hole
8 3/4" Tricone to 2180'
Footage Plugged: 2180'
Drilling Medium: Air:
Depths: 0 -286'
Lost Circulation Depths:
Water Invasion Depth or Intervals:
Gas Invasion Depth or Interval:
Cored: NA
Foam/Water: Mud: Foam Injection:
286 -2180'
NA Regained ? (Y or N):
NA Estimated Inflow Rates:
2125 -2135'
Geophysical Logging Contractor: Jet West Geophysical, LLC
Logs Run: Gamma: X Neutron:
Temperature: Density: X
Resistivity: X Caliper: X
Other (SP, Foc. Elec., Drift, Dep., Sonic): Deviation: 73' Q 256 deg.
Hole Cemented (Y or N ), Type: Y
No. of Bags: 18 yds pMland fo r 9 5/8 annulus
Interval: to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: Drilled 8 3/4" pilot hole to verify mineable thickness, then reamed
12 1/4" to 2020' for 9 5/8" casing. Cuttings filled bottom hole during reaming, cleaned out to 2120'.
9' cement plug from 2111 - 2120'. Bottom of 7" slotted casing 13' above D2 seam (2124- 2135').
9 5/8" casing abandoned to surface with 33 cubic yards portland type 11 cement July, 2008.