Latin America-focused operator Vista Oil & Gas continues to grow its position in Argentina’s Vaca Muerta shale formation with the purchase of 50% working interest in the Aguada Federal and Bandurria Norte concessions from ConocoPhillips Argentina.

The deal adds 25,231 net acres to Vista’s footprint, increasing its total acreage in Vaca Muerta to 157,853 acres. It also adds up to 150 new well locations to its Vaca Muerta portfolio, totalling up to 700 identified new well locations, the company said.