Double-tube reaming shell

P56、P59、P75、P76、P91、P110、P130

Diamond Reaming Shell’main functions are maintaining bore holes tandard. Improving drill rod stability and protecting lower drill rod form excessive wear. Helical type reaming shell provides a good passage for drilling fluids and its service life is long.

Single-tube reaming shell

D56、D59、D75、D76、D91、D110、D130、D150、D171、D223

Wireline Reaming shell

S56、S59、S75、S95、

BC、NC、HC、PC、T2-76、T2-86