BEIJING-JULY 20, 2009. Cnooc headquarters on July 20, 2009 in Beijing. Cnooc is Chinas largest producer of offshore crude oil and natural gas and one the worlds largest oil and gas companies.
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BEIJING-JULY 20, 2009. Cnooc headquarters on July 20, 2009 in Beijing. Cnooc is Chinas largest producer of offshore crude oil and natural gas and one the worlds largest oil and gas companies.