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 12 -01 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 16- Aug -07 Date Completed: 1- Sep -07
Contractor: Stewart Bros.
Rig Type: Failing 2500 Rig 4
Geologist: Doug Allen
Date :
15- Jan -08 Toolpusher:
Danny White
Driller: Gabe Armijo
Truck Driver:
Austin Martinez Helper:
J. Rose
Kevine Begay
J. Trujillo
J. Long
Randy McClard
A. Sandoval
N. Brite
Coordinates: N. 20760.12
E.
27332.69
Location: Township, Range & Section:
NE 1/4 Sec. 35, T. 12S., R.90W.
Ground Elevation: 8211'
Collar Elevation:
Geophysical Log Measured From:
Ground
Elevation
Total Depth: 2275'
Probe Depth:
2270' Fluid Level:
NA
Casing Type: steel, T &C
Size: 95/8
Casing Type: steel FJ
Size: 7(6 slotted, 2 solid)
Depth: 9 5/8 ": 0 -2145' Recovered (Y or N):
N
7 ": 2082 -2252'
N
Bit Information
Main Hole
Core:
Bottom Hole
Footage Plugged: 2275'
Drilling Medium: Air:
Depths: 0 -20'
Lost Circulation Depths:
Water Invasion Depth or Intervals:
Gas Invasion Depth or Interval:
Cored: NA
Foam/Water: Mud: Foam Injection:
20 -2275'
NA Regained ? (Y or N):
NA Estimated Inflow Rates:
2260 -2270'
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: 32' @ 239 deg.
Hole Cemented (Y or N ), Type: Y
No. of Bags: 17 yds portlan for annulus
Interval: to surface
Coal Core Sent To: N A
Rock Sent To.
NA
Comments: Drilled 6 3/4" pilot hole to verify mineable thickness, then reamed
12 1/4" to 2145' for 9 5/8" casing. Cuttings filled bottom hole during reaming, cleaned out to 2261'
9' cement plug from 2252 - 2261'. Bottom of 7" slotted casing 7' above D2 seam (2259- 2269')
Panel 12 abandoned due to fault encountered underground, well never used to vent clob.
9 5/8" casing abandoned to surface with 27 supersacks hole plug, 2 sacks (10') cement December, 2007
(Reamed) 8 3/4" Tricone to 2261'