Petrie, Statoil Exec Join Speaker Line-Up for Hart Energy's DUG Bakken and Niobrara Conference HOUSTON, April 25, 2013 (GLOBE NEWSWIRE) -- Tom Petrie, former vice chairman of Bank of America, Merrill Lynch, will deliver the luncheon keynote address at Hart Energy's Developing Unconventionals...

Noble Energy's Davidson to Open DUG Bakken Conference in Denver HOUSTON, Feb. 13, 2013 (GLOBE NEWSWIRE) -- Charles D. Davidson, chairman and CEO, Noble Energy, will deliver the opening keynote address at Hart Energy's Developing Unconventionals (DUG™) Bakken...

DUG Permian Basin Conference Adds Sheffield, Stoneburner to Agenda 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...