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Detailed structure and explanatory notes
ISIC Rev.3.1 code 1120Structure
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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