Ocean Ranger

Ocean Ranger drilling in the Cook Inlet
History
NameOcean Ranger
OwnerODECO
OperatorODECO
BuilderMitsubishi Heavy Industries' Yard in Hiroshima, Japan
Yard number615641
Launched1976
Christened1976
Completed1976
Maiden voyage1976
In service1976–1982
Out of service15 February 1982
IdentificationIMO number8767202
FateSank with all hands due to storm
General characteristics
Class and typesemi-submersible mobile offshore drilling unit
Tonnage25,000
Length396 ft (121 m)
Beam262 ft (80 m)
Height337 ft (103 m)
Decks2
Installed power7000 hp
Propulsion2 x 3500HP DC Electric motors providing propulsion to 2 Steerable Kort Nozzles
Capacity100
Crew84
Notesraised and sunk in deeper waters

Ocean Ranger was a semi-submersible mobile offshore drilling unit that sank in Canadian waters on 15 February 1982. It was drilling an exploration well on the Grand Banks of Newfoundland, 267 kilometres (166 mi) east of St. John's, Newfoundland, for Mobil Oil of Canada, Ltd. (MOCAN) with 84 crew members on board when it sank. There were no survivors.