Bass Oil Limited, together with its subsidiaries, engages in the exploration, development, and production of oil and gas in Australia and Indonesia. The company primarily holds a 55% interest in the Tangai-Sukananti KSO production assets located in South Sumatra, Indonesia. It also holds interests in the properties in the Cooper Basin, South Australia. The company was formerly known as Bass Strait Oil Company Ltd and changed its name to Bass Oil Limited in March 2017. Bass Oil Limited was incorporated in 1965 and is based in Melbourne, Australia.