ERF Description — Enerplus Corp
Enerplus is engaged in acquiring, exploiting and operating crude oil and natural gas assets for the benefit of Co. As of Dec 31 2010, Co.'s net proved reserves of light and medium oil, heavy oil, natural gas liquids, natural gas and shale gas amounted to 68,508,000 barrels, 23,963,000 barrels, 6,019,000 barrels, 473,896,000,000 cubic feet and 41,815,000,000 cubic feet, respectively.