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 15-01 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 19 -Oct -09 Date Completed: 23 -Oct -09
Contractor: Himes Drilling
Rig Type: Atlas Copco RD20
Geologist: Doug Allen
Date :
13 -Nov -09
Toolpusher: Matt Himes
Driller: Jim Weatherton
Truck Driver:
Will Juusola
Helper: Beau 0.
Sam Homedew
Tommy Dennis
Shaun L.
Coordinates: N. 15694.06
E.
33662.77
Location: Township, Range & Section:
SW 1/4, Sec. 31, T. 12 S., R. 90 W.
Ground Elevation: 7631'
Collar Elevation:
Geophysical Log Measured From:
ground
Elevation
Total Depth: 1730'
Probe Depth:
NA
Fluid Level: NA
Casing Type: steel T&C
Size:
9 5/8"
Casing Type: sol/slot steel TFC-
Size:
7"
Depth: 0-1630'
Recovered (Y or N):
N
Depth: 1550-1730'
Recovered (Y or N):
N
Bit Information
Surface Casing 16" Tricone to 20'
(14" surface casing)
Main Hole 121/4" PDC from 20-1630'
Core:
Bottom Hole 8 3/4" Tricone from 1630-1730'
Footage Plugged: 0-1730' Cored: NA
Drilling Medium: Air: Foam /Water: Mud: Foam Injection:
Depths: 0-120' 120-1630'
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: directional hole- no logging
Logs Run: Gamma:
Temperature:
Resistivity:
Other (SP, Foc. Elec., Drift, Dep., Sonic):
Hole Cemented (Y or N ), Type: N
Coal Core Sent To: NA
Neutron:
Density:
Caliper:
No. of Bags:
Interval:
Rock Sent To: NA
Comments: 7" casing overlaps 80' inside 9 5/8" casing.
9 5/8" annulus cemented with 30 bags plus 5 yds neat cement slurry.
Directional hole drilled with Scientific Drilling, azimuth 279.
9 518" casing abandoned to surface with 11 cubic yards portland cement slurry May, 2012.
Himes Drilling Colorado water well license #1285