Mosman Oil and Gas Limited engages in the exploration, development, and production of oil and gas properties in Australia and the United States. It holds a 100% interest in the Amadeus Basin in Central Australia; and owns interests in the Stanley, Livingston, Winters, Winters-2, Greater Stanley, Arkoma, and Cinnabar oil and gas producing assets. The company was formerly known as Mosman Minerals Limited and changed its name to Mosman Oil and Gas Limited in December 2012. The company was incorporated in 2011 and is based in Sydney, Australia.