Samson Oil & Gas Limited engages in the acquisition, development, exploration, and exploitation of oil and natural gas properties primarily in North Dakota, Montana, and Wyoming, the United States. It owns working interests in the Hawk Springs project that is located in Goshen County, Wyoming; Rock Springs West projects, which are located in Sweetwater County, Wyoming; North Stockyard project that is located in Williston Basin, North Dakota; and Roosevelt project, which is located in Roosevelt County, Montana. The company also owns working interests in the State GC Oil Field that is located in Lea County, New Mexico; Sabretooth Prospect, which is located in Brazoria County, Texas; and Rainbow Project that is located in Williams County, North Dakota. Samson Oil & Gas Limited was incorporated in 1979 and is headquartered in Perth, Australia. Samson Oil & Gas Limited operates as a subsidiary of National Nominees Limited.