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 09-05 Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC 61357 (State or Federal) Surface Owner: Hotchkiss
Date Commenced: 3-Jun-07 Date Completed: 12-Jun-07
Contractor: Stewart Bros. Rig Type: Failing 2500 Rig 48
Geologist: Doug Allen Date: 15-Jan-08 Toolpusher: Danny White
Driller: Gabe Armijo Truck Driver: Austin Martinez Helper: G. Gutierrez
Kevine Begay N. Brite J.Trujillo
Randy McClard L. Smith A. Sandoval
Coordinates: N. 16832.96 E. 31001.74
Location: Township,Range&Section: SW1/4 Sec.36,T.128.,R.90W.
Ground Elevation: 7581' Collar Elevation:
Geophysical Log Measured From: Ground Elevation
Total Depth: 1615' Probe Depth: 1616, 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":0-1336' Recovered(Y or N): N
7": 1303-1543' N
Bit Information
Surface Casing 17"Tricone to 20; (14"surface casing)
Main Hole 121/4"Tricone to 1336'
Core: NA
Bottom Hole 8 3/4"Tricone to 1615'
Footage Plugged: 1615' Cored: NA
Drilling Medium: Air: Foam/Water: Mud: Foam Injection:
Depths: 0-300, 300-1615'
Lost Circulation Depths: - NA Regained? (Y or N):
Water Invasion Depth or Intervals: NA Estimated Inflow Rates:
Gas Invasion Depth or Interval: 1550-1570'
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:38' Q 239 deg.
Hole Cemented(Y or N ), Type: Y No.of BagS: 7 yds poriland for annulus
Interval: to surface
Coal Core Sent To: NA Rock Sent To: NA
Comments: Bottom of hole backfilled with coal fines up to 1561',quikrete up to 15521
.
9'cement plug from 1552-1543'. Bottom of 7"slotted casing 13'above D2 seam(1556' 1570').
9 5/8"casing abandoned to surface with 6 cubic yds. Portland type II cement; 6 sacks hole plug;
16 sacks(2400 gallons)plug gel,and 2 sacks(10')cement september,2009.