Support activities for petroleum and natural gas extraction

This class 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 class also includes:

• oil and gas field fire fighting services