Support activities for other mining and quarrying

Supporting services on the basis of remuneration or contracts, which are required in the main group 05, 07 and 08 mining activities, such as exploration services, for example by traditional means such as sampling ore and making geological observations, pumping services and distribution of mining products and services. trials of excavation and drilling of fields or mine wells

Support activities for petroleum and natural gas extraction

Service activities related to oil and gas mining carried out on the basis of fees or contracts, such as exploration services for oil or gas extraction in the traditional way, namely making geological observations, installing drilling equipment, repairing and dismantling oil well cementing. and gas wells, construction of wells, pumping production wells, blockage and closure of production wells, production testing, dismantling, liquefaction and regasification of natural gas for transportation needs at mining sites, experimental drilling for petroleum and natural gas refining and field fire fighting services petroleum and natural gas