http://signaloil.wpengine.com/wp-content/uploads/2015/10/Signal-Oil-logo-red-300x32.png00http://signaloil.wpengine.com/wp-content/uploads/2015/10/Signal-Oil-logo-red-300x32.png2018-06-13 13:24:002018-06-13 13:24:00PetroChina's Deep Shale Gas Well Registers High Flow Rate In Chongqing