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 17-08C Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357 (State or Federal) Surface Owner: USFS
Date Commenced: 8 -May -12 Date Completed: 13 -May -12
Contractor: Himes Drilling Rig Type: Atlas Copco RD20
Geologist: Doug Allen Date :
12 -Sep -12
Toolpusher: Matt Himes
Driller: Mike Hibbard Truck Driver:
Brandon Yates
Helper: Chuck
Kirk Homedew
Richard Moores
Jimmy Lovato
Coordinates: N. 16919.44 E.
39177.39
Location: Township, Range & Section:
SW 1/4, Sec. 32, T. 12 S., R. 90 W.
Ground Elevation: 8138' Collar Elevation:
Geophysical Log Measured From: ground
Elevation
Total Depth: 2401' Probe Depth:
NA
Fluid Level: NA
Casing Type: steel T&C
Size:
9 5/8"
Casing Type: sol/slot steel T&C
Size:
7"
Depth: 0-2214' Recovered (Y or N):
N
Depth: 2162.7-2318' Recovered (Y or N):
N
Bit Information
Surface Casing 17" Hammer to 40' (14" surface casing)
Main Hole 121/4" PDC from 40-2214'
Core:
Bottom Hole 8 3/4" PDC from 2214-2320"
Footage Plugged: 0-2320' Cored: NA
Drilling Medium: Air: Foam /Water: Mud: Foam Injection:
Depths: 0-40' 40-2320'
Lost Circulation Depths: NA Regained ? (Y or N):
Water Invasion Depth or Intervals: 500/700' Estimated Inflow Rates: 2515 gpm
Gas Invasion Depth or Interval: NA
Geophysical Logging Contractor: directional hole- no logging
Logs Run: Gamma: Neutron:
Temperature: Density:
Resistivity: Caliper:
Other (SP, Foc. Elec., Drift, Dep., Sonic):
Hole Cemented( Y or N ),Type: N No. of Bags: 7 yds for 9 5/8" annulus
Interval: to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: 7" casing overlaps 51.3' inside 9 5/8" casing.
122.4' slotted 7" casing below 32.9' solid 7" casing. Landed at 2318'.
Drilled directionally from 500-2162'. Bottom of 9 5/8" casing located 393.7' at azimuth 83.59 degrees,
9 5/8" casing abandoned to surface with 32 cubic yards portland cement slurry July, 2012.
Himes Drilling Colorado water well license #1285