PetroChina to join Exxon on giant Iraqi oilfield: sourceBy Chen Aizhu and Vladimir Soldatkin Aug 09, 2013
PetroChina buys stake in Canada shale gas projectState-owned PetroChina said it has agreed to take a 20 percent stake in a Canadian shale gas project owned by Royal Dutch Shell, China's latest acquisition of North American natural resources. Feb 03, 2012