PetroChina has several drilling companies in Sichuan.

Five. As of February 28th, 2022, 65438, the list of branches issued by PetroChina shows that there are five drilling companies in Sichuan, namely Sichuan Petroleum Bureau of PetroChina, PetroChina Southwest Oil and Gas Field Company, PetroChina Qing Chuan Drilling Company, PetroChina Sichuan Petrochemical Company and PetroChina Southwest Chemical Sales Company. Sichuan, referred to as "Sichuan" or "Shu" for short, is one of the 23 provinces in People's Republic of China (PRC), with Chengdu as the capital.