Mar 07, 2011 (The Australian Financial Review) BHP Billiton paying $US4.75bn for Chesapeake Energy's Fayetteville Shale interests in the US focuses attention on some smaller Australian-listed industry players. Goldman Sachs says BHP is developing petroleum interests to offset expected drops in iron ore, coal and copper demand. Credit Suisse moves Molopo Energy stock to Neutral after a boardroom reshuffle.