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Chapter
38 /
Exploration for and Evaluation ofMineral Resources (l FRS 6)
$
million
2006
2005
445
Depreci ati on, depletion and amortization
At January I
Charge for the year
Sales, retirements, currency translation differences and other movements
At December 31
Net book amount at December 31
Capitalised exploration drilling costs are as follows:
1,439
164
-----lQ
1,633
7330
1,451
128
(140)
1,439
2947
$
million
2006
2005
832
771
1,182
480
(72)
(220)
(228)
(301)
----lQ)
102
1 708
832
At January I
Capital expenditure (additions pending determination of proved reverses)
Amounts charged to expense
Reclassifications to productive wells on determination of proved reserves
Other movements, including acquisitions, disposals and currency translation differ–
ences
At December 31
Th ere were $540 millio n exploration drilling costs at December 3 1, 2006, capitalised for period s
greater than one year, representing 52 wells . Information by year of expendi ture is as follows:
2000
2001
2002
2003
2004
2005
Total
$ million
21
20
66
97
122
214
540
Number orwell"
1
2
6
9
13
Zl
52
These cos ts remain cap italised for more than one year because , for the related projects, either (a)
firm exploration/exploratory appraisal well s were exe cuted in 2006 andlor are planned in the near
future, andlor (b) firm development activities are bei ng progressed with a fina l investment decision
ex pec ted in the near future.