UPDATE 1-Exxon Mobil says hits more shale oil, gas in Argentine region
December 18, 2014 at 12:09 PM EST
BUENOS AIRES, Dec 18 (Reuters) - U.S. energy major Exxon Mobil has struck shale oil and gas at a second well in Argentina's Neuquen province, the company said on Thursday, referring to a region that sits atop Vaca Muerta, one of the world's largest shale resources.