Neuquen's information ministry said the agreement if realised could represent an investment of up to $3.35 billion between the two companies.
If carried out, exploration would take place in the 97-square kilometre Aguada Federal block where Gas y Petroleo de Neuquen has been active since 2012, Wintershall said.
Gas y Petroleo de Neuquen would keep ownership of the concession and Wintershall would act as operator with a 50% stake.
According
