PetroChina engages in the production and distribution of oil and gas. PetroChina offers crude oil and oil products exploration, development, production and marketing. It also markets petrochemical products and derivative chemicals. It explores for and develops and produces crude oil and natural gas; refines crude oil and petroleum products; and produces and sells basic and derivative chemical products and others.
PetroChina's exploration basins include Songliao, Ordos, Tarim, Junggar, Sichuan and Bohai Bay.
The company has an operational presence in China, Kazakhstan, Australia and Indonesia.