SERVICE ACTIVITIES INCIDENTAL TO OIL AND GAS EXTRACTION (EXCEPT SURVEYING AND ENGINEERING DESIGN AND CONSULTANCY SERVICES SUPPORTING MINING, OIL AND GAS EXTRACTION AND OFFSHORE EXPLORATION ACTIVITIES)

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: - 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

This sub-class includes oil and/or gas field service support activities such as: - directional drilling and/or redrilling - cementing oil and/or gas well casings - pumping, plugging and/or abandoning wells - leasing of Floating Production Storage and Offloading (FPSO), Floating Storage and Offloading (FSO), and/or Floating Storage Regasification Unit (FSRU) vessels with operators