091000 Support activities for petroleum and natural gas extraction


This type includes:

  • oil and gas extraction service activities provided on a fee or contract basis:
  • exploration services in connection with petroleum or gas extraction, e.g. traditional prospecting methods, such as making geological observations at prospective sites
  • 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.
  • liquefaction and regasification of natural gas for purpose of transport, done at the mine site
  • draining and pumping services, on a fee or contract basis
  • test drilling in connection with petroleum or gas extraction

This type also includes:

  • oil and gas field fire-fighting services

This type excludes:

  • service activities performed by operators of oil or gas fields (see 061000, 062000)
  • specialised repair of mining machinery (see 331200)
  • liquefaction and regasification of natural gas for purpose of transport, done off the mine site (see 522100)
  • geophysical, geologic and seismic surveying (see 711205)