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Detailed structure and explanatory notes

ISIC Rev.3 code 1110


  • Tabulation Category: C - Mining and quarrying
  • Division: 11 - Extraction of crude petroleum and natural gas; service activities incidental to oil and gas extraction excluding surveying
  • Group: 111 - Extraction of crude petroleum and natural gas
  • Class: 1110 - Extraction of crude petroleum and natural gas

Explanatory note

This class includes extraction of crude petroleum oils and bituminous minerals, i.e. natural products, whatever their composition, whether obtained by extraction using oil wells from normal or condensation oil-deposits or by mining of bituminous minerals. Included may be the following processes in order to obtain crude oils: decantation; de-salting; dehydration; stabilization; elimination of very light fractions; any other minor processes, provided it does not change the essential character of the product. Production of crude gaseous hydrocarbon (natural gas).
Operation for the same purpose of mines containing bituminous or oil shale or tar sands. Such operations include drilling, completing and equipping wells when not performed on a fee or contract basis. The liquefaction and regasification of natural gas for purposes of transport and the production at the mining site of liquefied hydrocarbons from oil or gas field gases are included as well.

Exclusions: Oil and gas extraction service activities when done on a fee or contract basis are classified in class 1120 (Service activities incidental to oil and gas extraction excluding surveying).
Production of refined petroleum products or the recovery of liquefied petroleum gases in the refining of petroleum are classified in class 2320 (Manufacture of refined petroleum products).
Manufacture of industrial gases is classified in class 2411 (Manufacture of basic chemicals, except fertilizers and nitrogen compounds).
Operation of pipelines for the transport of oil or natural gas is classified in class 6030 (Transport via pipelines).
Oil and gas well exploration are classified in class 7421 (Architectural and engineering activities and related technical consultancy).

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