Reuters – Mexico’s Pemex not considering stake in Vaca Muerta shale field – official

Mexican state oil company Pemex is not currently weighing a potential stake in Argentina’s giant Vaca Muerta shale oil and gas field, a company official said on Thursday, rejecting reports that it was being considered. (Read more… http://www.reuters.com/article/2013/11/29/pemex-ypf-idUSL2N0JE03A20131129)

(English, Article, 2013)