text: The "Kolskaya" oil drilling rig is pictured in the Kola Bay near Russia's northern seaport of Murmansk in this November 27, 2010 file photo. The oil drilling rig with 67 crew on board capsized and sank off the Russian Far East island of Sakhalin when it ran into a storm while being towed, and 51 of the crew were unaccounted for, Russian news agencies reported on December 18, 2011. REUTERS/Andrei Pronin/Files (RUSSIA - Tags: DISASTER TRANSPORT ENERGY) - RTR2VE4B