This Sub-class includes extraction, exploration, dressing and/or beneficiating of crude petroleum and natural gas. Units in this Sub-class are primarily engaged in one or more of the following: •extraction and/or exploration of crude petroleum oils, gaseous hydrocarbon (natural gas) and/or condensates •draining and/or separation of liquid hydrocarbon fractions •gas desulphurisation •extraction and/or exploration of bituminous or oil shale and/or tar sand •production of crude petroleum from bituminous shale and/or sand •processes to obtain crude oils such as decantation, desalting, dehydration and/or stabilisation •mining of hydrocarbon liquid, obtained through liquefaction or pyrolysis
•service activities incidental to oil and gas extraction (excluding surveying and engineering design and consultancy services supporting mining, oil and gas extraction and offshore exploration activities), see 09002 •oil and gas field service activities such as directional drilling and redrilling; cementing oil and gas well casings, pumping wells and plugging and abandoning wells, see 09002 •manufacture of refined petroleum products (including recovery of liquefied petroleum gases in the refining of petroleum), see 1920 •manufacture of industrial gases, see 20111 •manufacture and repair of oil rigs, see 28241 •manufacture, repair and maintenance of oil rigs or equipment for oil and gas extraction, see 28242 •operation of pipelines, see 49300 •geophysical surveying services, on a contract or fee basis, see 71119 •providing engineering design and consultancy services supporting mining, prospecting and offshore exploration services, see 71126 •providing manpower for the oil and gas industry, see 78102