Lightstream Resources Ltd., formerly PetroBakken Energy Ltd., is a Canada-based oil and gas company. The Company is a light oil-focused exploration and production company. The Company’s operating areas include southeastern Saskatchewan where it targets the Bakken formation and conventional Mississippian reservoirs, central Alberta, where the Company is focused on the Cardium formation, and north-central Alberta, where it targets the Swan Hills formation and is also engaged in exploring for light oil resource plays. The Company’s gas projects are present at Horn River, where as the oil projects are present at swan hills, cardium and se Saskatchewan. The Company’s subsidiaries include Lightstream Resources Partnership, Lightstream Capital Ltd, Southside Petroleum Ltd. and Southside Oil & Gas Ltd.