• Vista Oil & Gas / Jaguar Exploraccion y Produccion ( May 2018 , approved by CNH in October 2018 ): In Mexico ’ s first private joint venture , Vista acquired a 50 % stake in three of Jaguar ’ s onshore blocks .
• Talos / Pan American Energy ( October 2018 ): A Talos led consortium ( Talos , Sierra & Premier ) will exchange a 25 % operating interest in Block 2 for a 25 % stake in Hokchi ’ s AS-CS-15 assignment .
• Eni / Lukoil ( November 2018 ): Eni will assign to Lukoil a 20 % stake in two PSCs , in exchange for a 40 % stake in Lukoil ’ s Block 12 PSC .
• Eni / Qatar Petroleum ( December 2018 ): Qatar Petroleum will acquire a 35 % interest Eni ’ s Block 1 development .