Tamarack Valley Energy Ltd. acquires, explores, develops, and produces crude oil, natural gas, and natural gas liquids in the Western Canadian sedimentary basin. It primarily holds interests in the Clearwater assets covering an area of approximately 357 sections of land located in Alberta; Charlie Lake assets covering approximately 357 sections of land in the northwestern area of Alberta; Viking light oil play in central and southern Alberta and west central Saskatchewan; Barons Sand oil play in the Penny area of southern Alberta; and heavy oil properties. The company was formerly known as Tango Energy Inc. and changed its name to Tamarack Valley Energy Ltd. in June 2010. Tamarack Valley Energy Ltd. was incorporated in 2002 and is headquartered in Calgary, Canada.