This class includes:
- extraction of crude petroleum oils
This class also includes:
- extraction of bituminous or oil shale and tar sand
- production of crude petroleum from bituminous shale and sand
- processes to obtain crude oils: decantation, desalting, dehydration, stabilisation etc
This class excludes:
- support activities for oil and natural gas extraction, see CAEN 0910
- oil and gas exploration, see CAEN 0910
- manufacture of refined petroleum products, see CAEN 1920
- recovery of liquefied petroleum gases in the refining of petroleum, see CAEN 1920
- operation of pipelines, see CAEN 4950