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Detailed structure and explanatory notes

ISIC Rev.3 code 1120

Structure   

Hierarchy
  • 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: 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 field service activities provided on a fee or contract basis including: directional drilling and redrilling; "spudding in"; derrick building, repairing and dismantling; cementing oil and gas well casings; pumping wells; plugging and abandoning wells; and other service activities.

Exclusions: Service activities performed by operators of oil or gas fields are classified in class 1110 (Extraction of crude petroleum and natural gas).
Oil and gas field exploration and geophysical, geological and seismic surveying are classified in class 7421 (Architectural and engineering activities and related technical consultancy).



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