BHP Billiton, Melbourne, Australia, (NYSE: BHP) Hess Corp., New York, (NYSE: HES) and Repsol YPF, Madrid, Spain, (NYSE: REP) plan to acquire the Genghis Khan discovery in deepwater Gulf of Mexico from Anadarko Petroleum Corp., The Woodlands, Texas, (NYSE: APC) for $1.35 billion. The sale includes Anadarko's 100% working interest in the Green Canyon Block 652 and certain deep rights in Green Canyon Block 608, with proved-plus-probable-plus-possible reserves of more than 200 million barrels of oil equivalent. The buyers are also joint venture owners of the adjacent Shenzi Field.