| Production and exploration director Carlos 
				Morales says the company has only started to explore shale 
				reserves that could more than double daily gas output. Mexico 
				currently has to import gas to meet demands. He said shale 
				exploration is not run by large oil companies such as Pemex, as 
				it's known, rather by small specialty operations.
 				Morales said Thursday that companies working in shale reserves 
				"no doubt" would need licenses or concessions to make the 
				ventures worthwhile, arrangements that are forbidden by the 
				constitution.
 				A controversial reform that would open up Mexico's moribund oil 
				industry is pending before congress.
 	 				 [Associated 
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