China is estimated to hold triple the shale reserves of the U.S., but PetroChina (PTR) says it...

|About: PetroChina Company Limited (PTR)|By:, SA News Editor

China is estimated to hold triple the shale reserves of the U.S., but PetroChina (PTR) says it may take five years to figure out ways to unlock its reserves, meaning China must keep buying overseas energy assets to fuel the world's no. 2 economy. China has yet to produce the fuel commercially because its drillers lack technology and face tougher geology.