Sheffield-Scott
DUG Permian Basin Conference Adds Sheffield, Stoneburner to Agenda
06 févr. 2013 07h00 HE | Hart Energy
HOUSTON, Feb. 6, 2013 (GLOBE NEWSWIRE) -- Scott Sheffield, chairman and CEO, Pioneer Natural Resources, and Richard Stoneburner, retired president of BHP Billiton's North America shale production...