In 2007, PetroChina's turnover reached 835.04 billion yuan, representing an increase of 21.2 percent from the previous year. The basic earnings per share were 0.81 yuan, representing an increase of approximately 0.02 yuan from the previous year. 

The exploration and production segment realized an operating profit of 206.59 billion in 2007, representing a decrease of six percent from the previous year due to the increased special earnings levies, according to the company. 

PetroChina's total output of crude oil and natural gas in 2007 was 1.11 billion barrels of oil equivalent, representing an increase of 4.8 percent from the year of 2006. 

Affected by the macro economic measures which kept domestic price of refined products at a lower level, the refining and marketing segment recorded an operating loss of 20.68 billion yuan in 2007, representing a reduced loss of 8.48 billion yuan compared with the previous year. 

The chemical and marketing segment of the company recorded an operating profit of 7.83 billion yuan, representing an increase of 2.77 billion yuan year on year. 

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