Classe · NACE Rev. 2.1 / TEÁOR'25
43.13 Perfurações e sondagens
Test drilling and boring
As notas explicativas oficiais são apresentadas em inglês.
Esta classe compreende
- test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes
Esta classe não compreende
- drilling of production oil or gas wells, see 06.10, 06.20
- test drilling, associated with extraction of petroleum or gas, see 09.10
- test drilling and boring support services (e.g. associated with mining activities), see 09.90
- water well drilling, see 42.21
- geothermal drilling, see 42.21
- shaft sinking, see 43.50
- exploration of oilfields and gas fields, geophysical, geological and seismic surveying, see 71.12