Peyto Exploration and Development Corp, formerly Peyto Exploration & Development Corp. is a Canada-based energy company. The Company is engaged in the acquisition, exploration, development and production of oil and natural gas in Western Canada. The Company's wells, gas plants, gathering and sales pipelines exist in a corridor about 200 kilometers long and 30 kilometers wide right by the foothills of the Rockies halfway between the Northwest Territories and the United States. As of December 31, 2011, the total proved plus probable reserves were 1,935 billion cubic feet equivalent (322.4 million barrels of oil equivalent). In August 2012, the Company acquired Open Range Energy Corp.