Wall Street Journal | Why China's Overseas Oil Adventurer Can't Cut Costs Forever Wall Street Journal And it is relying more on that Chinese production, much of it easy-to-tap offshore fields, because its top-of-the-market, $15.1 billion purchase of Canadian oil sands producer Nexen is turning into a debacle. There have been bursting pipelines ... PetroChina ekes out profit amid oil crash with pipeline sale China takes control of North Sea oil drilling | News | The Times ... China's pivot to Britain? Beijing's foothold in North Sea oil rattles security experts |