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PetroChina Co Ltd reported Thursday that its net profit for the first half of 2007 was 81.83 billion yuan (US$10.78 billion), up 1.4 percent from the first half of 2006.

Total output of crude oil and natural gas in the six months of 2007 was 552.7 million barrels of oil equivalent, representing an increase of 3.7 percent from the same period of last year.

PetroChina is the Hong Kong-listed subsidiary of China National Petroleum Corporation, China's largest oil producer.