New York-based Hess Corporation, previously known as Amerada Hess Corporation, is a global exploration and production company that develops, produces, purchases, transports and sells crude oil and natural gas. The company's E&P activities are concentrated in Algeria, Australia, Azerbaijan, Brazil, Denmark, Egypt, Equatorial Guinea, Gabon, Ghana, Indonesia, Libya, Malaysia, Norway, Russia, Thailand, the United Kingdom and the United States. As of year-end 2014, Hess' proved reserves tally stood at 1.43 billion oil-equivalent barrels. In 2013, Hess sold its gas stations and exited the refining business to operate as a pure play E&P.