White Plains, N.Y.-based Icahn Management LP has acquired 3.1 million shares of Anadarko Petroleum Corp., The Woodlands, Texas, (NYSE: APC) in a deal valued at $133.4 million. Anadarko has assets in the U.S, in the deepwater Gulf of Mexico and Algeria. The company also has production in China, Venezuela, and Qatar and a development project in Brazil. As of Dec. 31, it had proved reserves of 10.5 trillion cubic feet of gas and 1.3 billion barrels of oil, condensate, and gas liquids.