دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The gauge surface of cone bit. Soldered with TCI or installed with cooktop alloy teeth to keep bit diameter.

n: a kinf of hard metal cylinder with bevel edge on the ends ,ususlly used as gauge surface to prevent cone abrasion and improve the bit life

n: the outside surfaces of the outermost rows of teeth on a bit. They determine the diameter or gauge of the hole to be drilled.

n: exterior surface of the cone bit’s outermost tooth。It determine the diameter of wellbore。