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.