Venezuela has agreed to hand over at least seven oil fields to little-known companies that will be paid to boost output through contracts similar to ones rolled back under late socialist leader Hugo Chavez, according to two sources and an internal document. The effort signals that President Nicolas Maduro, who is struggling under a hyper-inflationary economic meltdown and fast-declining oil output, is willing to reverse the aggressive efforts of his predecessor – who died in 2013 – to expand the state’s role in the energy industry of the OPEC nation. But the plan faces significant hurdles because most companies involved have no known experience operating oilfields, and U.S. sanctions would likely inhibit more experienced firms from getting […]