Wintershall had previously signed a letter of intent with Gas y Petroleo de Neuquen (GyP) in September, with provincial government asserting the agreement could bring investment of $3.35 billion.
Top officials with the German company met with Neuquen governor Jorge Sapag on Tuesday to ratify the contract and joint-venture agreement, with Wintershall board member Martin Bachmann and managing director Gustavo Albrecht also in attendance.
The
