دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a bottomhole assembly in which pendulum-length collars are swung below a regular packedhole assembly. The pendulum portion of the assembly is used to reduce hole angle. It is then removed, and the packed-hole assembly is run above the bit. See packed-hole assembly. pendulum assembly.

n: a type of holebore bottom make up of strings. Jioned a section of collar as pendulum on the packed hole strings.