Specifications - Mad Dog Field, Gulf of Mexico, USA

Key Data
Name	Mad Dog
Location	Gulf of Mexico
Operator	BP
Distance from shore	190 miles south of New Orleans
Water depth	4,500ft
Equity	BP 60.5%, BHPBilliton 23.9%, Unocal 15.6%
Drilling unit range	5,000ft to 7,000ft of water
Green Canyon blocks	825, 826 and 782
Reserves	200 to 450 million barrels of oil equivalent
Development cost	$1.54 billion
Discovery well	May 1998, Green Canyon 826
Water depths	6,600ft
Measured depth	22,410ft
Platform	Truss spar
Development	12 wells
Block	Green Canyon Block 782
Topsides	220ft x 163ft x 50ft (67m x 50m x 15m)
Slots	16 slots in a 4 x 4 pattern
Quarters	126 persons
Temporary quarters	60 persons
Rig operating weight	5,500t
Hull weight	20,871t
Throughput	100,000 barrels oil, 60 mscf gas per day
Payload capacity	18,500t excluding hull storage
Topside and decks	10,500t
Mooring	11-line (polyester) taut mooring: 2 x 4, 1 x 3
Oil export	Caesar pipeline to Ship Shoal 332B, Cameron Highway Oil Pipeline System (CHOPS)
Gas export	Cleopatra pipeline to Ship Shoal 332A, Manta Ray Gathering System, Nautilus Gas Transportation into Louisiana
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