Oil majors are evaluating bids for offshore exploration rights in Argentina, a major change in a country that sent Spanish energy giant Repsol ( REP.MC ) packing six years ago and has seen little offshore exploration for decades. that it has made progress in lowering costs for energy firms. Oil companies including Shell and Statoil told Reuters they are looking at bidding in the auctions, to be held later this year, and a government official said Exxon and Chevron have also shown interest. The country faces fierce competition to attract the billions of dollars of investment needed to develop deepwater reserves. Brazil, Ecuador, Mexico and […]