(Vista Oil & Gas, 22.Nov.2018) — Vista Oil & Gas, S.A.B. de C.V. announced that, Vista Oil & Gas Argentina S.A. and Apco Oil & Gas S.A.U., subsidiaries of Vista, signed with the Undersecretariat of Energy, Mining and Hydrocarbons of the Province of NeuquĂ©n, Argentina, an Investment Agreement Letter (Acta […]