Mtengo wa fakitale IADC635 9 7/8 mainchesi 250.8mm chobowolera miyala chopangira miyala yolimba chilipo

Mukuyang'ana kwambiri mkuwa, chitsulo, golide, migodi ya malasha! Chidutswa chanu cha tricone chozungulira chimavutika ndi kuwonongeka, kufooka kwa kuboola, kapena kusagwira ntchito bwino? Chidutswa chathu cha IADC635 9 7/8” (250.8mm) chimaphwanya malo opweteka awa—zoikamo zolimba kwambiri kuti zikhale zolimba kwambiri, kapangidwe koyenera kuti zilowe mwachangu, komanso kugwira ntchito modalirika m'njira zolimba. Wonjezerani kupanga bwino, chepetsani nthawi yogwira ntchito, chepetsani ndalama. Dinani tsopano kuti mukweze masewera anu aboola!