This class includes :

Production of crude gaseous hydrocarbon (natural gas)

Extraction of condensates

Draining and separation of liquid hydrocarbon fractions

Gas desulphurization

This class also includes mining of hydrocarbon liquids, obtained through liquefaction or pyrolysis

This class excludes :

Support activities for oil and gas extraction, see 0910;

Oil and gas exploration, see 0910;

Manufacture of refined petroleum products, see 1920;

Recovery of liquified petroelum gases in the refining of petroleum, see 1920;

Manufacture of industrial gases, see 2011;

Operation of pipelines, see 4930.