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 Alberta Cardium light oil plays in Wilson Creek/Alder Flats/Pembina, and Garrington and Lochend areas in Alberta; Viking light oil resource plays in Redwater in Alberta, as well as in the Veteran, Consort, and Esther area of southeast Alberta and North Hoosier, Milton, and Coleville area of southwest Saskatchewan; Barons and Banff light oil plays located 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. is headquartered in Calgary, Canada.