Lonestar Resources Limited is an Australia-based independent oil and gas company involved in exploration, production, and acquisition of oil and gas reserves in the United States. The Company�s operations are focused onshore with primary activity in the Fort Worth Basin (Barnett Shale), Eagle Ford Shale, and the Williston Basin in Montana. The Company is active in sourcing other assets in producing areas. The Company�s Eagle Ford Shale portfolio comprises three separate assets: Beall Ranch, Asherton and Gonzo. The Company�s operations in the Williston Basin are focused on the Roosevelt County, Montana. The Company owns and operates a single lease in the Barnett Shale, a gas producing basin in North Texas. On January 2, 2013, the Company acquired Ecofin Energy Resources plc.