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 09-02 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC-61357 (State or Federal) Surface Owner: USFS
Date Commenced: 21-Aug-07 Date Completed: 28-Aug-07
Contractor: Stewart Bros. Rig Type: Failing 2500 Rig 45
Geologist: Doug Allen Date: 15-Jan-08 Toolpusher: Justin Barris
Driller: Bryan Joe Truck Driver: J. Billy Helper: S. Platero
Bryan Tulley T, Martinez C. Charley
Earl Martinez D. Hudson 0. Chacho
Coordinates: N. 18106.43 E. 26166.41
Location: Township,Range&Section: SE 1/4 Sec.35,T.12S., R.90W.
Ground Elevation: 7644' Collar Elevation:
Geophysical Log Measured From: Ground Elevation
Total Depth: 1547' Probe Depth: 1533' Fluid Level: NA
Casing Type: steel, T&C Size: 9 5/8"
Casing Type: steel, FJ Size: 7"(5 slotted,2 solid)
Depth: 9 5/8":0-1440' Recovered(Y or N): N
7": 1384-1524' N
Bit Information
Surface Casing 17"Tricone to 20'; (14"surface casing)
Main Hole 121/4"Tricone to 1440'
Core: NA
Bottom Hole 8 3/4"Tricone to 1547'
Footage Plugged: 1547' Cored: NA
Drilling Medium: Air: Foam/Water: Mud: Foam Injection:
Depths: 0-145' 145-1547'
Lost Circulation Depths: NA Regained? (Y or N):
Water Invasion Depth or Intervals: NA Estimated Inflow Rates:
Gas Invasion Depth or Interval: 1540-1547'
Geophysical Logging Contractor: Jet West Geophysical, LLC
Logs Run: Gamma: X Neutron:
Temperature: Density: X
Resistivity: X Caliper: X
Other(SP, Foc. Elec., Drift, Dep.,Sonic): Deviation:56' Q 286 deg.
Hole Cemented(Y or N ), Type: Y No.of Bags: 10 yds podand for annulus
Interval: to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: D2 seam not logged due to time constraint(longwall approaching).
9'cement plug from 1524-1533'. Bottom of 7"slotted casing 18'above D2 seam(1542-1555).
9 5/8"casing abandoned to surface with 26 cubic yds. Portland type 11 cement July,20D9.