P. Anthony Lannie, executive vice president and general counsel of Apache Corp., is using Bracewell & Giuliani in the Houston oil and gas exploration and production company’s pending sale of its Argentina operations to YPF Sociedad Anonima for $852 million.

YPF, based in Buenos Aires, turned to Milbank, Tweed, Hadley & McCloy in New York City and Estudio O’Farrell in Argentina, according to information provided by Bracewell.