Property And Equipment (Tables)

9 Months Ended

Jun. 30, 2011

Property And Equipment

Property And Equipment By Classification

	June 30, 2011			September 30, 2010
Drilling vessels and related equipment
Cost	$	2,230,982		$	1,733,298
Accumulated depreciation		(420,237	)		(392,808	)
Net book value		1,810,745			1,340,490
Drill Pipe
Cost		15,468			15,468
Accumulated depreciation		(13,775	)		(13,563	)
Net book value		1,693			1,905
Furniture and other
Cost		6,928			7,115
Accumulated depreciation		(5,692	)		(5,549	)
Net book value		1,236			1,566
NET PROPERTY AND EQUIPMENT	$	1,813,674		$	1,343,961