Extraction of natural gas

This class includes:

• production of crude gaseous hydrocarbon (natural gas)
• extraction of condensates
• draining and separation of liquid hydrocarbon fractions
• gas desulphurisation
• extraction of coal mine methane

This class also includes:

• mining of hydrocarbon liquids obtained through liquefaction or pyrolysis
• fracking to extract coal seam gas

This class excludes:

• support activities for oil and natural gas extraction, see 09.10
• oil and gas exploration, see 09.10
• production of natural gas liquids from crude petroleum (crude oil), see 19.20
• recovery of liquefied petroleum gases in the refining of petroleum, see 19.20
• manufacture of industrial gases, see 20.11
• operation of pipelines, see 49.50