BHP Billiton expects to undertake more acquisitions in the booming US shale gas sector after its $US15.1 billion ($A14.13 billion) takeover of Petrohawk Energy, chief executive Marius Kloppers says.
							15/07/2011 - 08:25
						
					BHP targets more shale gas in US deal
								15/07/2011 - 08:25
							
						
 
             
										 
             
             
            