Double Casing Drilling system

Izici

1、Ukuphuculwa kokwelashwa kwephezulu kwengxenye enempilo ende yokusebenza kanye nekhono elihle

2、lokuvikela ukugqwala.Ukuhlela kwesakhiwo, kuthuthukisa isakhiwo 

3、samandla.Ukusebenza Okuphakeme: kuhle kakhulu ngokusebenza kahle.

Isicelo 

Kungaba kusetshenziswa kabanzi ekubhujiseni izimbobo zokugrouta emaphrojekthini afana ne-cofferdam, isisekelo kanye ne-geothermal well nokunye.

Imikhiqizo Imininingwane