Petrochemical company Sasol will buy a 50% stake in a shale gas field in Canada for R7,14-billion, it said on Tuesday.
		
	 
	
		
			
				
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			 / 20 December 2010
			
		
		Petrochemical giant Sasol has signed a $1-billion deal to buy a 50% stake in a shale petrol field owned by Canadian energy firm Talisman.