2020-09-30_PERMIT FILE - C1981022 ‎(2)‎

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 9/30/2020
• Doc Name: Borehole Abandonment Reports
• Section_Exhibit Name: Exhibit 2.04-E3 Tab I/Item 9
• Media Type: D
• Archive: No

Oxbow Mining LLC
Elk Creek Mine
Hole Number: GVB 16-07 Project ID.: Elk Creek Mine Gab Vent Boreholes
Lease Number: COC-61357 (State or Federal) Surface Owner: USFS
Date Commenced: 21-Sep-10 Date Completed: 26-Sep-10
Contractor: Himes Drilling Rig Type: Atlas Copco RD20
Geologist: Doug Allen Date: 5-Dec-10 Toolpusher: Matt Himes
Driller: Jim Weatherton Truck Driver: Kirk Homedew Helper: Jake C.
Sam Homedew Will Juusola Trey H.
Coordinates: N. 15902.60 E. 38325.89
Location: Township, Range&Section: SW 1/4,Sec. 32,T. 12 S., R.90 W.
Ground Elevation: 8207' Collar Elevation:
Geophysical Log Measured From: ground Elevation
Total Depth: 2370' Probe Depth: 2372' Fluid Level: NA
Casing Type: steel T&C Size: 9 5/8"
Casing Type: sol/slot steel T&C Size: 7"
Depth: 0-2240' Recovered(Y or N): N
Depth: 2159-2338' Recovered(Y or N): N
Bit Information
Surface Casing 16"Tricone to 42'(14"surface casing)
Main Hole 12 1/4" PDC from 42-2240'
Core:
Bottom Hole 8 3/4"Tricone from 2240-2370'
Footage Plugged: 0-2370' Cored: NA
Drilling Medium: Air: Foam(Water: Mud: Foam Injection:
Depths: 0-150, 150-2370'
Lost Circulation Depths: NA Regained? (Y or N):
Water Invasion Depth or Intervals: 150' Estimated Inflow Rates: 5 gpm
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: Y No.of Bags:4 yds for 9 5/8"annulus
Interval:to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: 7"casing overlaps 81'inside 9 5/8"casing,
Tagged gravel at 2344', tagged cement plug at 2338'.
9 5/8"casing abandoned to surface with 24 yds portland type II cement July,2011.
Himes Drilling Colorado water well license#1285