El Mangrullo Sierra Chata Río Neuquén Rincón del Mangrullo Aguaragüe El Tordillo La Tapera -Puesto Quiroga Rincón de Aranda Veta Escondida Los Blancos Parva Negra Este Pampa Energía S.A Oil and Gas Exports Argentinean Federal Government City of Buenos Aires Province of Buenos Aires Province of Chubut Province of Neuquén Province of Rio Negro Province of Salta Province of Santa Fe ARGENTINA Oil and Gas Oil and Natural Gas