DIamond yibanze yo gucukura reamer shell

Ibisobanuro bigufi:

Aho bakomoka: Ubushinwa
Izina ryikirango: JCDRILL
Umubare w'icyitegererezo: BQ, NQ, HQ, PQ
Ubwoko: Wireline double tube reamer
Ibikoresho: ibyuma
Koresha: ubushakashatsi bwibanze
Izina: Gusubiramo igikonoshwa