Plains Exploration & Production Company engages in the acquisition, development, exploitation, exploration, and production of oil and gas properties in the United States. The company owns oil and gas properties in the Los Angeles and San Joaquin Basins onshore California; the Santa Maria Basin offshore California; the Piceance Basin in Colorado; and the Gulf Coast Basin onshore and offshore Louisiana, including the Gulf of Mexico. The company was founded in 2002 and is headquartered in Houston, ...

Petroleo Brasileiro S.A.Petrobras, together with its subsidiaries, engages in the exploration, exploitation, and production of oil from reservoir wells, shale, and other rocks in Brazil. It supplies oil, liquefied natural gas, and natural gas to refineries in Brazil; and sells surplus production in Brazil and foreign markets. The company also provides refining, logistics, and transportation services, as well as involves in the purchase of crude oil, oil products, and fuel alcohol. In addition, P ...