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ISIC Rev.4
ISIC Rev.3.1
ISIC Rev.3
CPC Ver.2
CPC Ver.1.1
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Detailed structure and explanatory notes

ISIC Rev.3.1 code 11

Structure   

Hierarchy
  • Section: C - Mining and quarrying
  • Division: 11 - Extraction of crude petroleum and natural gas; service activities incidental to oil and gas extraction, excluding surveying

Breakdown:

This Division is divided into the following Groups:

  • 111 - Extraction of crude petroleum and natural gas
  • 112 - Service activities incidental to oil and gas extraction excluding surveying

Explanatory note

This division includes the production of crude petroleum, the mining and extraction of oil from oil shale and oil sands, and the production of natural gas and recovery of hydrocarbon liquids. This division includes the activities of operating and/or developing oil and gas field properties. Such activities may include drilling, completing, and equipping wells; operating separators, emulsion breakers, desilting equipment, and field gathering lines for crude petroleum; and all other activities in the preparation of oil and gas up to the point of shipment from the producing property. Support services, on a fee or contract basis, required for the drilling or operation of oil and gas wells, are also included.


This division excludes:
- refining of petroleum products, see 2320
- test drilling and boring, see 4510
- geophysical surveying and mapping, see 7421
- oil and gas well exploration, see 7421





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