Russia’s Prime Minister Vladimir Putin (R) and Deputy Chairman of the Gazprom Alexander Ananenkov gesture  during a ceremony to launch gas at ‘Dalneye’ gas-distribution station in  the Far Eastern city of Yuzhno-Sakhalinsk March 19, 2011. Putin on  Sunday offered Japanese companies stakes in two major Siberian gas  fields which hold total reserves of about 3.2 trillion cubic metres.

Russia’s Prime Minister Vladimir Putin (R) and Deputy Chairman of the Gazprom Alexander Ananenkov gesture during a ceremony to launch gas at ‘Dalneye’ gas-distribution station in the Far Eastern city of Yuzhno-Sakhalinsk March 19, 2011. Putin on Sunday offered Japanese companies stakes in two major Siberian gas fields which hold total reserves of about 3.2 trillion cubic metres.