06100 | Bituminous or oil shale and sand extraction |
06100 | Crude oil extraction |
06100 | Crude oils obtained by decantation processes |
06100 | Crude oils obtained by dehydration processes |
06100 | Crude oils obtained by desalting processes |
06100 | Crude oils obtained by stabilisation processes |
06100 | Crude petroleum extraction |
06100 | Crude petroleum production |
06100 | Crude petroleum production from bituminous shale and sand |
06100 | Mineral oil extraction |
06100 | Oil platform operation |
06100 | Oil production well or platform operating |
06100 | Oil shale mine |
06100 | Oil shale retorting |
06100 | Oil stabilisation plant operation |
06100 | |