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-LW08-04 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC-61357 (State or Federal) Surface Owner: BLM
Date Commenced: 26-Sep-06 Date Completed: 24-Oct-06
Contractor:-limes Drilling, Inc Rig Type: Portadrill TKT-300
Geologist: Doug Allen Date: 24-Oct-06 Toolpusher: Kevin Himes
Driller: Sam Homedew Truck Driver: Helper: Mike
Coordinates: N. 16131.33 E. 30131.68 Eric
Location: Township,Range&Section: SW 1/4 Sec. 36,T. 12 S., R. 91 W.
Ground Elevation: 7023' Collar Elevation:
Geophysical Log Measured From: Ground Elevation
Total Depth: 960' Probe Depth: 958' Fluid Level: NA
Casing Type: steel,T&C Size: 95/8"
Casing Type: slotted steel, T&C Size: 7"
Depth: 0-820' Recovered(Y or N): N-cemented
Depth: 773-917' Recovered(Y or N): N-loose
Bit Information
Surface Casing 17" Tri-cone(14"casing)from 0-20'
Main Hole 121/4"Tri-cone to 820'
Core:
Bottom Hole 8 3/4"Tri-cone to 960'
Footage Plugged: 960' Cored: 0
Drilling Medium: Air: Sta-Foam 202/Water: Mud: Foam Injection:
Depths: 0-20' 20-960'
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: Jet West Geophysical,LLC
Logs Run: Gamma: X Neutron:
Temperature: Density: X
Resistivity: X Caliper: X
Other(SP,Foe. Elec.,Drift, Dep.,Sonic): Deviation: 56' @ 314 degrees
Hole Cemented( Y or N ),Type: Y No. of Bags: 5 yds.portland for 9 5/8 annulus
Interval: to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: 7"casing overlaps 47'inside 9 5/8"casing. 7"landed at 917', 18'above D2 roof.
9 5/8"casing abandoned to surface with 14 cubic yards Portland type II cement July,2009.
Himes Drilling Colorado water well license#1285