Desc: O Petróleo é Nosso: Directed by Watson Macedo. With Violeta Ferraz, Humberto Catalano, Adelaide Chiozzo, Heloísa Helena. A lady, owner of a large area of land where it is believed there are several oil wells, is almost fooled by the president of a pseudo petroleum company into giving up her property for nothing, but is saved by his son's noble intervention.