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 16-04B Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 12 -Jan -11 Date Completed: 21 -Jan -11
Contractor: Himes Drilling
Rig Type: Atlas Copco RD20
Geologist: Doug Allen
Date :
22 -Jan -11
Toolpusher: Matt Himes
Driller: Jim Weatherton
Truck Driver:
Kirk Homedew
Helper: Richard M.
Sam Homedew
Will Juusola
Trey H./Chad H.
Coordinates: N. 16640.10
E.
35897.50
Location: Township, Range & Section:
SE 1/4, Sec. 31, T. 12 S., R. 90 W.
Ground Elevation: 7989'
Collar Elevation:
Geophysical Log Measured From:
ground
Elevation
Total Depth: 2072'
Probe Depth:
NA
Fluid Level: NA
Casing Type: steel T&C
Size:
9 5/8"
Casing Type:
Size:
Depth: 0-1796'
Recovered (Y or N):
N
Depth:
Recovered (Y or N):
Bit Information
Surface Casing 16" Tricone to 42'
(14" surface casing)
Main Hole 121/4" PDC from
42-1796'
Core:
Bottom Hole 8 3/4" Tricone from 1796-2072'
Footage Plugged: 0-2072' Cored: NA
Drilling Medium: Air: Foam (Water: Mud: Foam Injection:
Depths: 0-290' 290-2072'
Lost Circulation Depths: NA Regained ? (Y or N):
Water Invasion Depth or Intervals: 110' Estimated Inflow Rates: 2 gpm
Gas Invasion Depth or Interval: approx 1700-2072'
Geophysical Logging Contractor: Directional hole- no logging.
Logs Run: Gamma:
Temperature:
Resistivity:
Other (SP, Foc. Elec., Drift, Dep., Sonic):
Hole Cemented (Y or N ), Type:
Coal Core Sent To: NA
Y
Neutron:
Density:
Caliper:
No. of Bags: 21 yds for 9 5/8" annulus
Interval: to surface
Rock Sent To: NA
Comments: Drilled into gob behind longwall. No 7" casing- 8 314" hole left open.
Drilled directional from 290-1796'. Bottom of 9 5/8" casing located 232.4' at azimuth 275.56 degrees
9 5/8" casing abandoned to surface with 27 yds portland type II cement July, 2011,
Himes Drilling Colorado water well license #1235