Financial Post | PetroChina looks for painless exit from oil sands bnn.ca PetroChina Co. (PTR.N) said it's in talks with international oil companies about swapping assets in North America to help it ride out the slump in crude prices. China's biggest oil and gas company said the negotiations are mostly focused on the oil ... PetroChina mulls Canadian oilsands asset swap to ride out low oil Oil Producers Sound Retreat From China Cnooc lifts FY profit despite oil price plunge |