Geothermal power enterprises

The search and drilling of geothermal power. Including other activities related to the exploitation of geothermal energy to the place where it is used. The activity of converting geothermal energy into electricity is included in the main group 35

Extraction of crude petroleum

The business or activities of crude oil mining including the search for petroleum content, drilling, mining, separation and storage, production of crude oil condensate, processing to produce crude oil by means of storage, filtering, drying, stabilization and others. Petroleum mining products include crude oil and condensate. This group also includes mining operations for bituminous sand or oil shale and asphalt sand. Mining activities include quarrying, drilling, crushing, washing, screening and mixing as well as storage. Including the production of crude oil from oil shale and bituminous sand if related to mining.

Natural gas mining

Efforts to search for natural gas content, drilling, mining, separation and storage. Natural gas mining products include natural gas. The liquefaction of natural gas into LNG until the shipping is still included in mining activities. Including CBM (Coalbed Methane) activities.