Peb muab luv nqi tsawg rau peb lub 9 7/8 nti IADC735 Tricone Pob Zeb Drilling Bit, tag nrho hauv Tshuag rau kev xa khoom tam sim ntawd. Ua nrog cov khoom siv tungsten carbide zoo tshaj plaws thiab cov bearings kaw, nws muab kev tiv thaiv kev hnav siab, kev ua haujlwm ruaj khov, thiab lub neej ntev rau cov qauv nruab nrab-nyuaj mus rau nyuaj. Ua raws li API, tus nqi ncaj qha los ntawm lub Hoobkas, kev xa khoom sai, thiab luv nqi ntau yam. Tiv tauj peb tam sim no rau qhov kev hais nqe zoo tshaj plaws thiab ruaj ntseg koj cov khoom muag.
Lub sijhawm tshaj tawm: Lub Ob Hlis-26-2026