Russian Prime Minister Vladimir Putin (R) and Gazprom CEO Alexey Miller (2nd R) speak with Italian Prime Minister Silvio Berlusconi (2nd L) and CEO of Italian ENI S.p.A. oil and gas company Paolo Scaroni (L) 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 5 months ago

Russian Prime Minister Vladimir Putin (R) and Gazprom CEO Alexey Miller (2nd R) speak with Italian Prime Minister Silvio Berlusconi (2nd L) and CEO of Italian ENI S.p.A. oil and gas company Paolo Scaroni (L) 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.