Mofani oa thepa oa Brazil o fana ka theko e theotsoeng bakeng sa likarolo tsa majoe tsa IADC537 444.5mm TCI tricone tse fumanehang setokong. E hahiloe ka li-insert tsa carbide tsa tungsten tsa boleng bo holimo, tse loketseng libopeho tse bonolo ho isa bohareng (shale, limestone, sandstone). Li-bearing tse tiisitsoeng ke API, tse tšoarellang, bokhoni bo phahameng ba ho cheka le bophelo bo bolelele ba tšebeletso. Thomello e potlakileng ho tsoa ntlong ea polokelo ea Brazil, MOQ e tenyetsehang, tšehetso e felletseng ea kamora thekiso. Ikopanye le rona bakeng sa khotheishene e ntle ka ho fetisisa le nako ea pele!
Nako ea poso: Hlakola-27-2026