2013-03-22_PERMIT FILE - C1981022A

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 3/22/2013
• 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 15 -07 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: BLM
Date Commenced: 26- Aug -09 Date Completed: 4- Sep -09
Contractor: Himes Drilling Rig Type: Atlas Copco RD2
Geologist: Doug Allen Date:
13- Nov -09
Toolpusher: Matt Himes
Driller: Jim Weatherton Truck Driver:
Shaun L.
Helper: Dave T.
Sam Homedew
Tommy Dennis
Eldon S.
Coordinates: N. 14620.78 E.
38353.47
Location: Township, Range & Section:
NW 1/ , Sec. 5, T. 13 S., R. 90 W.
Ground Elevation: 8089' Collar Elevation:
Geophysical Log Measured From: ground
Elevation
Total Depth: 2190' Probe Depth:
2190'
Fluid Level: NA
Casing Type: steel T &C
Size:
9 5/8"
Casing Type: sol /slot steel T &C
Size:
7"
Depth: 0 -2060' Recovered (Y or N):
N
Depth: 1981 -2150' Recovered (Y or N):
N
Bit Information
Surface Casing 16" Tricone to 20' (14" surface casing)
Main Hole 121/4" PDC from 20 -2060'
Core:
Bottom Hole 8 3/4" Tricone from 2060 -2190'
Footage Plugged: 0 -2190' Cored: NA
Drilling Medium: Air: Foam (Water: Mud: Foam Injection:
Depths: 0 -2190'
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: Jetwest Geophysical
Logs Run: Gamma: Y Neutron:
Temperature: Density: Y
Resistivity: Y Caliper: Y
Other (SP, Foc. Elec., Drift, Dep., Sonic): cement dump bailer
Hole Cemented (Y or N ), Type: N
Coal Core Sent To: N A
Comments: 7" casing overlaps 79' inside 9 518"
9 5/8" annulus cemented with 30 baos plus 2 vds neat cE
No. of Bags:
Interval:
Rock Sent To: NA
9 5/8" casing abandoned to surface with 30 cubic yards portland type II cement August 2010
Himes Drilling Colorado water well license #1285