Spain-based energy group Repsol has sent letters to oil majors including Exxon-Mobil, Chevron and Conoco-Phillips warning it would sue them if they try to invest in YPF or its assets, reports the British newspaper The Financial Times.
The Argentine government has made the decision to take control of leading energy company YPF and is discussing whether to renationalize it or intervene in its administration, a newspaper reported on Saturday.
Argentina's biggest energy company YPF, has found unconventional shale oil and natural gas in Mendoza province, confirming the extension of the massive Vaca Muerta area, officials said on Thursday.
Exxon Mobil Corp, the largest US oil company, will spend as much as 76.3 million dollars to explore and develop shale oil and natural gas in Argentina with Americas Petrogas Inc.