Sanctions for Russia spread pain from Putin to Halliburton, BP

WASHINGTON, D.C. (Bloomberg) -- U.S. and European Union sanctions against Russia’s Vladimir Putin threaten to shut off some of the world’s largest energy companies from one of the biggest untapped energy troves on the planet. As violence escalates in eastern Ukraine between government and separatist forces, the EU sought to punish Russia for its involvement by restricting exports of deep-sea drilling and shale-fracturing technologies. The U.S. followed suit, with President Barack Obama announcing a block on specific goods and technologies exported to the Russian energy sector.

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