Khalid Al-Falih, Saudi Arabia’s energy minister, speaks during the 23rd World Energy Congress in Istanbul, Turkey, on Oct. 10. Russian companies fall into line as Putin backs supply accord Iraq, Venezuela dispute output estimates underpinning deal Saudi Arabia’s oil minister left Istanbul with a pledge that Russia would join efforts to limit oil production, leaving internal OPEC disagreements over how to share the burden of the cuts as the last obstacle to a global deal. Russia’s two largest oil producers said Tuesday they would comply with any government instructions to curb oil output, following President Vladimir Putin’s backing on Monday for a supply deal with the Organization of Petroleum Exporting Countries. That leaves the success or failure of an accord involving producers of half the world’s oil in the hands of an OPEC committee set to meet later this month, which needs to resolve disputes with Venezuela and Iraq […]