PetroChina’s Changqing Oilfield subsidiary produced 36.9 billion cubic metres of gas in 2017, up by 1.2% from 2016.
The subsidiary supplied 8.3 bcm between 15 November and 2 January, making up 22.5% of its total output for 2017.
The company helps meet the gas demand of more than 40 cities in northern China.
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