دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a shaped bit body with diamonds for abrasive cutting of the formation.

n: diamond drill bit which display compass path cylinder face except cistern on bit body compass path.

n: Its made up of three blade,jet,water separator and bit body,which usually be used in early rotary drlling.

n: Its made up of three blade,jet,water separator and bit body,which usually be used in early rotary drlling.

n: a type of bit in which three cone-shaped cutting devices are mounted in such a way that they intermesh and rotate together as the bit drills. The bit body may be fitted with nozzles, or jets, through which the drilling fluid is discharged.

n: A kind of cone bit, which fixed three conical cone.