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 16-03 Project ID.: Elk Creek Mine Exploration
Lease Number: COC-61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 7-Nov-09 Date Completed: 10-Nov-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. 16521.25 E. 35362.90
Location: Township,Range&Section: SE 1/4, Sec. 31,T. 12 S.,R.90 W.
Ground Elevation: 7759' Collar Elevation:
Geophysical Log Measured From: ground Elevation
Total Depth: 1855' Probe Depth: 1856' Fluid Level: NA
Casing Type: steel T&C Size: 9 5/8"
Casing Type: sol/slot steel T&C Size: 7"
Depth: 0-1720' Recovered(Y or N): N
Depth: 1642-1819' Recovered(Y or N): N
Bit Information
Surface Casing 16"Tricone to 60'(14"surface casing)
Main Hole 121/4" PDC from 60-1720'
Core:
Bottom Hole 8 3/4"Tricone from 1720-1855'
Footage Plugged: 0-1855' Cored: NA
Drilling Medium: Air: Foam(Water: Mud: Foam Injection:
Depths: 0-75' 75-1855'
Lost Circulation Depths: NA Regained? (Y or N):
Water Invasion Depth or Intervals: 75' Estimated Inflow Rates: 30 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:9 yds for 9 5/8"annulus
Interval:to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: 7"casing overlaps 79'inside 9 5/8"casing.
Tagged gravel at 1824',tagged cement plug at 1819'.
Hole made 30 gpm water while drilling,stopped by T.D. 1855'.
9 5/8"casing abandoned to surface with 18 yds portland type II cement September,2011.
Himes Drilling Colorado water well license#1285