دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a long steel pole with a hook on one end that allows one of the rotary helpers to release the safety latch on the drilling hook so that the bail of the swivel can be removed (as when the kelly is set back prior to making a trip). Also called a shepherds stick, or hook.

n: A long steel arm with hook. The borer uses it to crook safety latch to unload swivel bail from hook.

n: the large hook mounted on the bottom of the traveling block and from which the swivel is suspended. When drilling, the entire weight of the drill stem is suspended from the hook.

the components below the traveling block to which the elevators are attached.

n: a steel projection on the drilling hook by means of which the elevator links are attached to the hook.

n: the lugs that extends for two sides of hook , it uses to hang the rings.