2010-12-17_REVISION - C1981019 ‎(86)‎

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

DRILL HOLE INFORMATION FORM
Kennecott Energy - Colowyo Coal Company
Methods: Hole & Core
Rotary or Core From To Diameter Bit Type Ream Interval
ROTARY 0 20 9 7/8" TRI -CONE
...
ROTARY 20 960 5 7/e ADT PCD
....... ._. ..... ......... .
1 I
u
Drilling Medium:
From To
0 40
_._...._. _ 960
Circulation & Hole Problems (depth lost, regained,
Medium and Additives:
Logging:
o....... n.....1.• OAn A
Logging company: i vn,
Date Hole Logged: 8/27/2005 • Logging Suite: GAM -RES- DENSITY
Project: COLLOM
Overburden Laboratory: N/A
Hole ID:
C -05 -17
Colowyo Project Managers
Juan Garcia _
Hole Type (pilot, spot core, full core, well, geotech, etc.):
PILOT
•
Geologist (Company):
G NlCHOLS
Date Hole Started:
6/24/2005 Date Hole Finished:
6127/2005
Easting:
1328659.39
Northing:
345815.65
Ground Elevation: 7791.82 TD:
960'
Location (Qtr /Qtr, Section,T &
R) NESW, 2- 3N -94W
Depth of Weathering
30_ __—
County and State:
MOFFAT, COLORADO
Coordinate Type.
MINE Surveyed (y/n): YES
Drilling:
Drilling Company:
HIME DRILL
Rig Type:
_ PORTADRILL TKT Driller: SAM H OMEDE
Surface Casing Type & Size:
STEEL, 7"
Interval Depths: _R -20'
Other Casing Runs:
Interval Depths:
Casing Recovered (y /n):_
ES . . .. . ....
Methods: Hole & Core
Rotary or Core From To Diameter Bit Type Ream Interval
ROTARY 0 20 9 7/8" TRI -CONE
...
ROTARY 20 960 5 7/e ADT PCD
....... ._. ..... ......... .
1 I
u
Drilling Medium:
From To
0 40
_._...._. _ 960
Circulation & Hole Problems (depth lost, regained,
Medium and Additives:
Logging:
o....... n.....1.• OAn A
Logging company: i vn,
Date Hole Logged: 8/27/2005 • Logging Suite: GAM -RES- DENSITY
Digital Log Format LAS Other
%, „�,. 4 �.'.,» ., � ,.,5E x r r 7 +,.� �'.���'j ,5�,• - �i ..�'i'..,.
Sampling & Testing
Sampling Information (cuttings frequency, spot coring, etc.):
........................................................................................................................................................................................................................................................................................................................................................................... ...............................
Coal Laboratory:
Overburden Laboratory: N/A
Gas Testing:
Geomechanical Testing: N/A
,arum+.., G:u� rr �avr,� •
Hole Completion & Reclamation
Date Hole Plugged: 6/27/2 Date Site Reclaimed:
Backfill Materials and Depths: TIH,mI and pump 31 sks pi get, circulate to surface, TOH, Pour 6 sks 3/8" hole plug, top off hole w2 sks concrete
......... ......... .
Number of bags used: �.a�...� .� Hole Marking Information LATHE
Surface Reclamation:,.
„, "�;��"� ���ti�� • =�P� karat.. � ..
Groundwater
Static water Level (Log): 575.5 Inflow (depth & production estimates):
hole made ve ry little water
Well Installation Details: N/A . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ . . . . .............. ................ . . . . . . . . ................................ . . . . . . . . . . . . . . ............. . . . . . .............. . . . . . . . ...................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . ................. .
Comments
Page of
C -05 -17 Completion form PILOT.As