A worker stands near the headquarters building of China National Offshore Oil Corp (CNOOC) in Beijing in this December 10, 2012 file photo. Picture taken December 10, 2012. To match Special Report ... more 
A worker stands near the headquarters building of China National Offshore Oil Corp (CNOOC) in Beijing in this December 10, 2012 file photo. Picture taken December 10, 2012. To match Special Report CNOOC-NEXEN/ REUTERS/Jason Lee (CHINA - Tags: ENERGY BUSINESS POLITICS) less 
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Reuters | Photo By JASON LEE / Reuters
Sun, Oct 6, 2013 8:17 PM EDT