Russian Gazprom CEO Alexey Miller (2nd R) shakes hands with CEO of Italian ENI S.p.A. oil and gas company Paolo Scaroni (L) as Russian Prime Minister Vladimir Putin (R) looks at them during a signing ceremony in Sochi on May 15, 2009. Russian gas giant Gazprom and Italian energy firm ENI signed a deal to increase the capacity of the planned South Stream pipeline across the Black Sea, an. Getty Images logo Getty Images 6 months ago

Russian Gazprom CEO Alexey Miller (2nd R) shakes hands with CEO of Italian ENI S.p.A. oil and gas company Paolo Scaroni (L) as Russian Prime Minister Vladimir Putin (R) looks at them during a signing ceremony in Sochi on May 15, 2009. Russian gas giant Gazprom and Italian energy firm ENI signed a deal to increase the capacity of the planned South Stream pipeline across the Black Sea, an.