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Detailed structure and explanatory notes

ISIC Rev.3.1 code 1120


  • Section: C - Mining and quarrying
  • Division: 11 - Extraction of crude petroleum and natural gas; service activities incidental to oil and gas extraction, excluding surveying
  • Group: 112 - Service activities incidental to oil and gas extraction excluding surveying
  • Class: 1120 - Service activities incidental to oil and gas extraction excluding surveying

Explanatory note

This class includes:
- oil and gas extraction service activities provided on a fee or contract basis:
· directional drilling and redrilling; "spudding in"; derrick erection in situ, repairing and dismantling; cementing oil and gas well casings; pumping of wells; plugging and abandoning wells etc.

This class also includes:
- test drilling in connection with petroleum or gas extraction

This class excludes:
- service activities performed by operators of oil or gas fields, see 1110
- geophysical, geologic and seismographic surveys, see 7421

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