2018-04-18_PERMIT FILE - C1981022A ‎(2)‎

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 4/18/2018
• Doc Name: Borehole Abandonment Reports
• Section_Exhibit Name: Exhibit 2.04-E3 Tab I/Item 9
• Media Type: D
• Archive: Yes

Oxbow Mining LLC
Elk Creek Mine
Hole Number: GVB 10-04
Project ID.: Elk Creek Mine Gob Vent Boreholes
Lease Number: COC -61357
(State or Federal)
Surface Owner: BLM
Date Commenced: 26 -Jul -07
Date Completed:
1 -Aug -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. 18423.43
E.
29074.86
Location: Township, Range & Section:
SW1A Sec, 36, T. 12S., R. 90W.
Ground Elevation: 7498'
Collar Elevation:
Geophysical Log Measured From:
Ground
Elevation
Total Depth: 1525'
Probe Depth:
1504' Fluid Level: NA
Casing Type: steel, T&C
Size: 9 5/8"
Casing Type: steel FJ
Size: 7" (5 slotted, 3 solid)
Depth: 9 5/8": 0-1345'
Recovered (Y or N):
N
7": 1293-1455'
N
Bit Information
Surface Casing 17" Tricone to 20';
(14" surface casing)
Main Hole (Reamed)121/4" Tricone to 1351'
Core: NA
Bottom Hole 8 3/4" Tricone to 1525'
Footage Plugged: 1525' Cored: NA
Drilling Medium: Air: Foam/Water: Mud: Foam Injection:
Depths: 0 -
Lost Circulation Depths: NA Regained ? (Y or N):
Water Invasion Depth or Intervals: NA Estimated Inflow Rates:
Gas Invasion Depth or Interval: 1470-1490'
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: 51'@ 181 deg.
Hole Cemented( Y or N ),Type: N
Coal Core Sent To: NA
No. of Bags: 4.5 yds portland slurry for 9 5/8"
Interval: to surface
Rock Sent To: NA
Comments: Drilled 8 3/4" pilot hole to verify mineable thickness, then reamed
121/4" to 1351' for 9 5/8" casing. Cuttings filled bottom hole during reaming, cleaned out to 1455'.
9' cement pluq from 1455-1446'. Bottom of 7" slotted casing 17' above D2 seam (1472-1484').
9 5/8" casing abandoned to surface with 9 cubic yards portland type 11 cement June, 2010.