Santos Limited explores for, develops, produces, transports, and markets hydrocarbons for homes and businesses in Australia and Asia. Its five principal assets are located in the Cooper Basin, Queensland & NSW, Papua New Guinea, Northern Australia & Timor-Leste, and Western Australia. The company produces natural gas, such as liquefied petroleum gas, ethane, methane, coal seam gas, liquefied natural gas, shale gas, and condensate, as well as oil. Its proved plus probable reserves include 1,022 million barrels of oil equivalent. The company was founded in 1954 and is headquartered in Adelaide, Australia.