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
L
Project: Collom
...._.._..
_ _..
......... Hole ID:
C-04-1 0
_
Colowyo Project Manager:
Juan Garcia
Hole Type (pilot, spot core, full core, well, geotech, etc.):
Pilot
Geologist (Company):
Brant Dennis
Date Hole Started
11/30/2004 Date Hole Finished:
12/1/2004
Easting 1325824 59 ..
Northing:
346651.48
Ground Elevation: 7769.48 TD:
_........-
560
_.
Location (Qtr /Qtr, Section,T & R):
SE NE Section 3 T3N R94W
Depth of Weathering:
County and State Moffat Colorado
Coordinate Type
SPC Surveyed (y /n):
Yes
Overburden Laboratory:
N/A
Drilling:
Gas Testing:
N/A
Geomechanlcal Testing
Drilling Company: Western American
Rig Type
Gardner- Denver 14W Driller:
Steve Klein
Surface Casing Type & Size:
6" PVC
Interval Depths:
Date Hole Plugged:
Other Casing Runs:
N/A
Backfill Materials and Depths: 65 sacks Bentonite chips,& topped with 3 sacks cement
Interval Depths:
65 Hole Marking Information:
Casing Recovered (y /n): . ...............................
No ... ...............................
p ....
Groundwater
Drilling Methods:
Static water Level (Log):
. -_ .. . 476
Hole & Core
Rotary or Core
From
To
Diameter Bit Type
Ream Interval
Rotary
0
19
8 3/4" Tncone
Rotary
19
560
5 5/8" Chns
Drilling Medium:
From To Medium and Additives:
0 60 Air
60 560 A r /Foam
Circulation & Hole Problems (depth lost, regained, etc.): Decided to TD hole e
burn
Logging:
Logging Company:
Century Geophysical
Logger Name. Robert Sipes Probe Depth:
Date Hole Logged:
12/24/2004
Logging Suite: Gamma, Porosity(Den) Caliper, Temperature,,c
resistivity & deviation
Digital Log Format
LAS
Other
Sampling & Testing
Sampling Information (cuttings frequency, spot coring, etc.):
Cuttings samples for descriptions only initially 5' then
intervals
.._. .
Coal Laboratory:
N/A
Overburden Laboratory:
N/A
Gas Testing:
N/A
Geomechanlcal Testing
N/A
Hole Completion & Reclamation
Date Hole Plugged:
12/2/2004
................___ . _.............................
Date Site Reclaimed:
Backfill Materials and Depths: 65 sacks Bentonite chips,& topped with 3 sacks cement
Number of bags used:
65 Hole Marking Information:
Surface Reclamation
Iw.
p ....
Groundwater
Static water Level (Log):
. -_ .. . 476
Inflow (depth & production estimates): First encountered at 60';
_.
loo suaaests water prod. At base of bum sequence
Installation Details:
• Comments 14° Below zero on 11 /30/04
Completion_ form_C- 04- 10.xls
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