This group includes: Extraction of crude petroleum oils. This group 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, stabilization, defilements, etc.
This group excludes: - Support activities for petroleum and gas extraction, such as oil and gas field services, performed on a fee or contract basis, see 09100 (Support activities for petroleum and natural gas extraction); - Oil and gas well exploration, see 09100 (Support activities for petroleum and natural gas extraction); - The refining of crude petroleum products, see 19200 (Manufacture of refined petroleum products); - Recovery of liquefied petroleum gases in the refining of petroleum, see 19200 (Manufacture of refined petroleum products); - Transport of oil and natural gas via pipelines, see 49400 (Transport via pipeline).