In the long-running competition for profits in the oil and gas industry Marathon Oil is keeping up a steady pace. The company explores for oil and gas primarily in Canada, Equatorial Guinea, Iraq, Libya, Poland, the UK, and the US. In 2015 it reported proved reserves of more than 2.2 billion barrels of oil equivalent including 698 million barrels of synthetic oil derived from oil sands mining. Its major areas of production include Europe (the UK); Africa (Equatorial Guinea and Libya); and Canada (the Athabasca Oil Sands Project). In the US, the company’s core production assets are in Colorado, the Gulf of Mexico, Louisiana, Oklahoma, Texas, and Wyoming.