2018-04-18_PERMIT FILE - C1981022A ‎(2)‎

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 4/18/2018
• 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 18-07 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: USFS
Date Commenced: 17 -Nov -10 Date Completed: August, 2011
Contractor: Himes Drilling
Rig Type: Atlas Copco RD20
Geologist: Doug Allen
Date :
13 -Oct -11
Toolpusher: Matt Himes
Driller: Jim Weatherton
Truck Driver:
Kirk Homedew
Helper: Richard H.
Sam Homedew
Will Juusola
Trey H.
Coordinates: N. 18167.80
E.
38708.10
Location: Township, Range & Section:
SW 1/4, Sec. 32, T. 12 S., R. 90 W.
Ground Elevation: 8217'
Collar Elevation:
Geophysical Log Measured From:
ground
Elevation
Total Depth: 2516'
Probe Depth:
2513'
Fluid Level: NA
Casing Type: steel T&C
Size:
9 5/8"
Casing Type:
Size:
Depth: 0-2304'
Recovered (Y or N):
N
Depth:
Recovered (Y or N):
Bit Information
Surface Casing 16" Tricone to 63'
(14" surface casing)
Main Hole 121/4" PDC from 63-2362'
Core:
Bottom Hole 8 3/4" Tricone from 2362-2516'
Footage Plugged: 0-2516' Cored: NA
Drilling Medium: Air: Foam /Water: Mud: Foam Injection:
Depths: 0-220' 220-2516'
Lost Circulation Depths: NA Regained ? (Y or N):
Water Invasion Depth or Intervals: 2207 1200' Estimated Inflow Rates: 20 gpm/ 5 gpm
Gas Invasion Depth or Interval: NA
Geophysical Logging Contractor: Jetwest Geophysical
Logs Run: Gamma: Y
Temperature:
Resistivity: Y
Other (SP, Foc. Elec., Drift, Dep., Sonic): ABI
Hole Cemented (Y or N ), Type
Coal Core Sent To: NA
Comments: Hole bridged below 9 5/8"
to keep open to bottom after tripping in 8 3/4" b
Y
Neutron:
Density: Y
Caliper: Y
No. of Bags: 58 sacks annulus
Interval:
Rock Sent To: NA
at lip of 8 3/4" hole (2360'), unable
until able to pressure cement next summer. Canceled plan to frac with gas gun.
es
Summer 2011: Kline plan changed spring 2011 and hole no longer falls over panel 18,
9 5/8" casing a:)andoned to surface ,vith 24 yds portland typtll cement September, 2011.
Himes Drilling Colorado water vi dl liuense #1285