2010-12-17_REVISION - C1981019 ‎(87)‎

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

DRILL HOLE INFORMATION FORM
Kennecoft Energy - Colowyo Mine
South Taylor
Hole & Core
Hole ID:
CHM -05-1
Project Manager:
Juan Garcia Hole Type (pilot, spot
core, full core, well, geotech, etc.):
Pilot
st (Company):
Sturm Date Hole Started:
- --------- --- ...... .......
1/17/2006 Date Hole Finished:
1/21/2006
-------------
1334187.73
Northing: 358970.09
Ground Elevation: 6908.87 TD:
11 83 ,11111.
i (Qtr/Qtr, Section,T & R): N,E,NW,.
Depth of Weathering:
. ...... .. . . ........ 11 .... ..... . .........
55
and State:
Moffat, Colorado Coordinate Type:
Mine Base Surveyed (y/n):
Yes
Drilling Company: Himes
Surface Casing Type & Size: 7" steel
Other Casing Runs: None
Casing Recovered (y/n): Yes
Rig Type: ­ , Poqad�nll TKT . . . ....
Interval Depths:
Interval Depths:
Driller: Kirk Hornedew
0 - 21 feet
Drilling Methods:
Hole & Core
Rotary or Core From
To Diameter Bit Type
Rotary 0
20.5 9.875" Reed Tri cone
. .......... ..
11.
JRotary 20 5
............. ............
...................
.. .. .. ... ... ...
­
183 5.875 A D T Econo C rown
.......... -
Drilling Medium:
From To Medium and Additives:
Surf 21 Air
I —, 21 ...... , —­­ 1 Water /Foam / Kcl - Mist
— ist
& Hole Problems (depth lost, regained, etc.): Circulation god throughout drilled interval.
Cuttings very mixed below 1000 feet.
. ...........
icountered 30 to 40 - pt4s , 9pT , water at 220 feet. Inflow remained constant to T.D.
­­­-, - - — - -­­­- - -
!e around water notes below.
Logging:
Logging Company:
Ceq!yry, . ..... . . Logger Name: Bob Sipes Probe Depth: .......
Date Hole Logged:
1/21/2006 Logging Suite: G,D,C;al,Temp
.... ..... .. . . - - -
Digital Log Format:
------ ........... . ........
LAS Other:
Sampling & Testing
Sampling Information (cuttings frequency, spot coring, etc.): 5 ft. cuttings . ,,samples ,.i,nter,v..a.l....,,
Coal Laboratory:
NA
Overburden Laboratory:
NA
Gas Testing:
NA . ..... .. .......... . ......... ............
Geornechanical Testing: NA
.. ......
Hole Completion & Reclamation
Date Hole Plugged:
1/21/2006 ----------- ------------------- Date Site Reclaimed:
Backfill Materials and Depths:
Mix &pump 44 sac plug gel and top with 87 sacks bent chips and one sack cement. . ....... ..
Number of bags used:
...... 131 Hole Marking Information:
Surface Reclamation:
; water Level (Log): 1/18/06 - 30 gpm inflow started at 220 feet. Drill to 543 feet at days end.
1/19/06 check level @ 7:30 AM prior to drilling, level @ 100'( 443 feet water in hole) Inflow increases at - 700 to 800 tt -40.9-pim
. . ........ . .
. ....... .. ................
Requiring 150 psi to unload hole Drilled to 843 feet 1/20106 prior to drilling level at 150 feet. (693 feet of water in hole)
Requires up to 200 psi to unload, while staging in rods. Drilling 900 to 1183 requires 150 to 200 psi to unload hole after each 20 rod
I ................. 11.11 ........... ............ - ..............
..........
Installation Details: None
Comments Compare to CHM-05-04 and CHM-05-08, all are in proposed X pod HWM
.... . ...... .
This hole is just South of the Coll syr1cline axis.
. "I'll, I—— I . .. . ........
I . ............ .. —, -,- . .......
Completion
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