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 17-04C Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 8 -Sep -11 Date Completed: 16 -Sep -11
Contractor: Himes Drilling
Rig Type: Atlas Copco RD20
Geologist: Doug Allen
Date :
26 -Oct -11
Toolpusher: Matt Himes
Driller: Jim Weatherton
Truck Driver:
Mike Hibberd
Helper: Brandon Y.
Kirk Homedew
Will Juusola
Jimmy L.
Coordinates: N. 17522.07
E.
36087.30
Location: Township, Range & Section:
SE 1/4, Sec, 31, T. 12 S., R. 90 W.
Ground Elevation: 8103'
Collar Elevation:
Geophysical Log Measured From:
ground
Elevation
Total Depth: 2281'
Probe Depth:
2271'
Fluid Level: NA
Casing Type: steel T&C
Size:
9 5/8"
Casing Type: sol/slot steel T&C
Size:
7"
Depth: 0-1942'
Recovered (Y or N):
N
Depth: 1880-2240'
Recovered (Y or N):
N
Bit Information
Surface Casing 17" Hammer to 40'
(14" surface casing)
Main Hole 121/4" PDC from 40-1942'
Core:
Bottom Hole 8 3/4" Tricone from 1942-2281'
Footage Plugged: 0-2281' Cored: NA
Drilling Medium: Air: Foam (Water: Mud: Foam Injection:
Depths: 0-40' 40-2281'
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:
Coal Core Sent To: NA
N
Comments: 7" casing overlaps 62' inside 9 5/8" casing.
Tagged gravel at 2248', bottom of 7" casing at 2240'.
No. of Bags: 6 yds for 9 5/8" annulus
Interval: to surface
Rock Sent To: NA
9 5/8" casing abandoned to surface with 38 cubic yards portland cement slurry June, 2012.
Himes Drilling Colorado water well license #1285