دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: wall hook is conneced in the bottom of the socket so as to turn the junk in the potbelly easily and fish the junk easily

n: a device used in fishing for drill pipe. If the upper end of the lost pipe is leaning against the side of the wellbore, the wall hook centers it in the hole so that it may be recovered with an overshot, which is run on the fishing string and attached to the wall hook.

n: A fishing assistant tool be used to fish the lost drill string ,which can help to centralizing the drill string .

a device at the bottom of an overshot for centering the upward looking end of pipe that may be laying against the casing. The hook may resemble a finger or strip of metal pointing clockwise and used with pipe rotation to surround and center the pipe.

n: A fishing assistant tool be used to fish the lost drill string ,which can help to centralizing the drill string .

n: see wall hook.