Tenaz Energy Corp., an energy company, engages in the acquisition and development of oil and gas properties in Canada and the Netherlands. It engages in the semi-conventional and conventional development of oil reservoirs; and operation of non-operated offshore natural gas assets. The company was formerly known as Altura Energy Inc. and changed its name to Tenaz Energy Corp. Tenaz Energy Corp. was incorporated in 2007 and is headquartered in Calgary, Canada.