Support activities for petroleum and natural gas extraction

This group 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; “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 group also includes: Oil and gas field fire fighting services.

This group excludes: - Service activities performed by operators of oil or gas fields, see 06100 (Extraction of crude petroleum) and 06200 (Extraction of natural gas); - Specialized repair of mining machinery, see 33120 (Repair of machinery); - Liquefaction and regasification of natural gas for purpose of transport, done off the mine site, see 5225 (Service activities incidental to land transportation); - Geophysical, geologic and seismic surveying activities, see class 7110 (Architectural and engineering activities and related technical consultancy).