Argentina expropriated 51% of YPF owned by Repsol, saying that the company needed to invest more to address the South American country's energy shortage.
Repsol has said it had consistently raised investment at YPF and analysts said Argentina's price controls on oil and gas were the reason companies had not invested more in production.
Argentine Planning Minister Julio De Vido - the state-appointed interim administrator - approached Brazil's Petrobras over investment in YPF last week and plans to contact other foreign oil companies such as Exxon, Chevron and ConocoPhilips.
"Repsol
