2010-12-17_REVISION - C1981019 ‎(82)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 12/17/2010
• Doc Name: Exhibit 6 Item 10 Cross-Section A-A Drill Holes
• Type & Sequence: PR3
• Media Type: D
• Archive: No

DRILL HOLE INFORMATION FORM
Kennecott Energy - Colowyo Mine
•
•
1 I 11
u
Project: Collom
..
Hole ID
C-04-13
Colowyo Project Manager:
Juan Garcia
Hole Type (pilot, spot
core, full core, well, geotech, etc.):
Full Core
Geologist (Company):
Brant Dennis
Date Hole Started:
8130/2004
Date Hole Finished:
9/18/2004
Easting: 1329533.62
Northing:
353997.82
Ground Elevation:
7264.21 TD:
1195.6
Location (Qtr /Qtr, Sectlon,T & R):
NW NE Section 35 3N 94W
......... ..............
Depth of Weathering:
= 33'
County and State:
Coordinate Type:
Surveyed (y /n):
.:
f ....a
.. S
Drilling:
Drilling Company:
Western American .........
Rig Type:
Midway 1500
Driller:
Rex Polen
Surface Casing Type & Size:
Certalok 6.9" O.D. SDR 17
�..." . ._. _.
Interval Depths:
0 -19'
_ . ........ ...
Other Casing Runs:
None
_.. Interval Depths:
.........
Casing Recovered (y /n):
Drilling Methods:
Hole & Core
Rotary or Core
From
To
Diameter
Bit Type
Ream Interval
Rotary
0
19
8 7/8
R oller
_..
Core
19
..
846
4 3/4
Chris
.
Rotary
846
1195.6
43/4
Roller
Drilling Medium:
From To Medium and Additives:
0 1s Air
19 1195.6 Water /Polymer
......_ _
Circulation & Hole Problems (depth lost, regained, etc.)
Continuous core hole drilled w/ water & polymer to TD. No significant water loss exce
Had slow water loss while coring due to hiaher head pressure in hole than artesian or,
Logging:
Logging Company: Century Geophysical Logger Name Robert Sipes Probe Depth: 1195.2
Date Hole Logged: 9/19/2004 Logging Suite: Gamma, density, caliper, Peroslty, (Den), Resistivity Temp,
........
" Temp Acoustic Scanner
Digital Loa Format: LAS Other:
Date Hole Plugged: 9/26/2004 Full core Date Site Reclaimed.
Backfill Materials and Depths: 20 sacks plug gel, 16 sacks Bent Chips, (- 1195 -4')1 5 sacks concrete(4' to surface)
Number of bags used: Hole Marking Information:
Surface Reclamation:
„_....,... 'd „u�,��u:::•... .... .r,,,,.,, '< ,..,p; �. `, ..... .:wx �.., :..... .:' ",,.,z, ��eufa..... ... i. ...w,....a'kc�»,...,.... ,u...,i
Groundwater
Static water Level (Log): 233' Inflow (depth & production estimates): _5 5 10 gpm inflow to = 750'
increase until TD-no oroducina estimate
Hole Completion & Reclamation
Well Installation Details:
Comments
The Th first e rst hole on site was a continuous core to just above the KM( marker bed) The hole was then rotary drilled Into the Trout Creek SS
Aft er :first h o - _ -- _. ..
r plugging the hole, three monitor wells were then completed. Of the three Monitoring Wells the second well collected coal core from
all the seams areater than 4' thick. The third Monitoring Well core the seam Co) s 100' and the D Seam for geotech analysis.
Completion_form_C- 04- 1 3.xis
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