3R Petroleum Óleo e Gás S.A. engages in the exploration and production of oil and natural gas in Brazil. It holds portfolio of assets located in the Potiguar Basin that includes the Poles Macau, Pescada Arabaiana, and Fazenda Belém; in the Recôncavo Basin, which comprises the Rio Ventura and Recôncavo; in the Espírito Santo Basin that consist of the Polo Peroá; and in the Campos Basin that include Papa-Terra. 3R Petroleum Óleo e Gás S.A. was incorporated in 2010 and is headquartered in Rio de Janeiro, Brazil.