The Campos Basin is a significant offshore oil and gas region located in the southeastern part of Brazil. It is situated primarily in the state of Rio de Janeiro and is known for its rich hydrocarbon reserves. The basin has been a key area for oil exploration and production since the 1970s, contributing substantially to Brazil's energy supply. The Campos Basin features a variety of geological formations, including deepwater and shallow water areas. It is home to several major oil fields, such as Bacia de Campos and Tupi, which have attracted both domestic and international oil companies. The region plays a crucial role in Brazil's economy and energy strategy.