 {|     |} 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,  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. ==history and design== ocean ranger was designed and owned by ocean drilling and exploration company, inc. (odeco) of new orleans. the vessel was a self-propelled large semi-submersible design with a drilling facility and living quarters. it was capable of operation beneath  of ocean water and could drill to a maximum depth of . it was described by odeco as the world's largest semi-submersible oil rig to date. constructed for odeco in 1976 by mitsubishi heavy industries in hiroshima, japan, ocea
1976_ships 1982_in_Canada Collapsed_oil_platforms Disasters_in_Newfoundland_and_Labrador Drilling_rigs ExxonMobil_controversies Maritime_incidents_in_1982 Maritime_incidents_in_Canada Rogue_wave_incidents Semi-submersibles Ships_lost_with_all_hands Ships_of_ExxonMobil Shipwrecks_of_the_Newfoundland_and_Labrador_coast