In
2021 China’s two largest oil and gas fields were both from CNPC Changqing Oilfield produced
25 4 mn tonnes of crude oil and 46 5 bcm of natural gas Daqing oil field continues to produce more
than 1 mn tonnes of light hydrocarbons Moreover, the field produced a total of 5 bcm of natural gas
during the year In 2021 the Tarim oilfield produced 31 8 mn tonnes of oil and gas production, hitting a
record high CNPC’s Southwest oilfield has become the nation’s first shale gas field with annual
production reaching over 10 bcm The Southwest oilfield is now supplying crucial energy sources to the
Chuanyu Region to ensure energy supplies during peak hours