Santos Ltd. operates exploration and production fields, pipeline systems, storage terminals, and gas liquefaction plants. Operations are organized into five geographic divisions: Cooper Basin, Queensland & NSW, Papua New Guinea (PNG), Northern Australia, and Western Australia. Common shares are listed on the Australian (STO) exchange. The name Santos was originally an acronym for South Australia Northern Territory Oil Search.
Santos was formed in 1954 made the first significant gas discovery in the Cooper basin in 1963.