2010-12-17_REVISION - C1981019 ‎(84)‎

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

DRILL HOLE INFORMATION FORM
Kennecott Energy - Colowyo Coal Company
1 1
J
P ro je ct: , West Pit
_
Centu Logger Name: Robert Sipes Probe Depth: 797.6
Hole ID:
C-06-25
Colo o Project Manager:
�Y 1 9
Juan Garcia _....,_ ,
Hole Type lot, s of core, full cor e, well, geotech, etc.):
YP (Pi p ...............
Pilot
Geologist (Company):
Steve S turm
Date Hole Started:
2/17/2006
Date Hole Finished:
2/19/2006
Easting: 1329548.31 ___ __
Northing:
9
344729 42
Ground Elevation:
_ evation:
7780 67 TD
3
603
Location (Qtr /Qtr, Section,T & R) SW SE Sec02 T3N R94W
NA
Depth of Weathering:
40
County and St ate:
Moffat Colorado
Coordinate Type:
Number of bags used:
Survey (y /n ):
Surface Reclamation:
T
Drilling:
Kirk
Drilling Company:
Himes
Rig Type
Porta Drill
Driller:
Homedew
Surface Casing Type & Size
7' Steel
Interval Depths:
0 to 21 feet
Other Casing Runs:
None
Interval Depths.
Casing Recovered (y /n):
Yes
Drilling Methods:
Hole & Core
Rotary or Core
From
To
Diameter
Bit Type
Ream Interval
Rotary �.
-
0 feet
21 feet
9 7/8
Tri Cone R oller
otary
1- 11._-_.
21 feet
_-_._ , � _ _.......
808 feet
5 7/8"
_.
ADT
�.....,....__ _.....
Drilling Medium
From To Medium and Additives:
Surface 21 feet Air
21 feet 808 feet Air /Water mist with K CI
Circulation & Hole Problems (depth lost, regained, etc.): Burn 86 to 185 feet created surges in circulation medium.
Logging:
Logging Company:
Centu Logger Name: Robert Sipes Probe Depth: 797.6
Date Hole Logged:
2/19/2006 Logging Suite: Gamma, Resistance, Density, Caliper
Digital Log Format:
_...-. ...... _ ..._.... ................ .... __-------- _._
LAS Other:
Sampling & Testing
Sampling Information (cuttings
frequency, spot coring, etc.):
5 foot cutting samples 5 to 808 feet
Coal Laboratory:
NA
Overburden Laboratory:
NA
Gas Testing:
NA
Geomechanical Testing:
NA
Hole Completion & Reclamation
Date Hole Plugged: 2/19/2006
Date Site Reclaimed:
Backfill Materials and Depths:
25 bags plug gel (1200 gallons) topped w/41 bags chips 0 - 2 feet 1 sack cem _..�. . _. __. _.._ .___�._r
Number of bags used:
66 Hole Marking Information: Lathe & flag
a.� .._..
Surface Reclamation:
water Level (Log): 63 Inflow (depth & production estimates): Driller estimates less than 5
total inflow
Installation Details: None
• (Comments Burn 86 to 185 feet, bu rn not apparent above 70 Feet.
C -06 -25 Completion_forms.xls
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