WZSubclass

WZ 09.10.0—Support activities for petroleum and natural gas extraction

Subclass · Klassifikation der Wirtschaftszweige (2025)

Where 09.10.0 sits

Services related to oil and gas production, provided for remuneration or on other contractual grounds: • Exploration services related to the extraction of oil and gas (e.g., in the form of conventional prospecting methods, geological observations in promising areas) • Test, extension, production, and auxiliary drilling; drilling start-up, assembly, repair, and dismantling of drilling rigs; cementing and backfilling of oil and gas wells; pumping out of wells; sealing and decommissioning of wells, etc. • Liquefaction and re-vaporization of natural gas at the production site for transportation purposes • Contract dewatering and pumping • Exploratory drilling related to oil or gas production

Provision of firefighting and fire prevention services in oil and gas fields
Services provided by the operators of oil or gas fields themselves, see 06.10.0 and 06.20.0
Specialized repair and maintenance of mining machinery, see 33.12.0
Specialized offshore installation, repair, and maintenance of equipment that is an integral part of floating platforms, see Division 43
Liquefaction and reevaporation of natural gas, not at the production site, for transport by land or water, see 55.21.9 or 52.22.9
Geophysical surveys, on a contract basis, see 71.12.5

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