PetroChina and Sinopec remain leaders in drive for shale gas

摘要

CHINA will continue to rely on the country's top two energy companies, PetroChina and Sinopec, to boost shale gas production to a target of 80 billion to 100 billion cubic metres per annum by 2030, following the government's lack of success in attracting private and independent companies to the sector, writes Xu Yihe.