دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device used to support the end of a length of pipe while another length is being screwed onto the pipe. Sometimes referred to as a stabbing jack.

n: a brace that is made of wood or metal.

v: The operation of screwing one pipe into another female connection.

n: a temporary platform erected in the derrick or mast some 20 to 40 feet (6-12 metres) above the derrick floor. The derrickhand or another crew member works on the board while casing is being run in a well. The board may be wooden or fabricated of steel girders floored with antiskid material and powered electrically to be raised or lowered to the desired level. A stabbing board serves the same purpose as a monkeyboard but is temporary instead of permanent.

n: A temporary platform in the derrick ,20 to 40 feet above the floor,on which a crewman works while casing is being run to guide a joint while it is being screwed into the joint in the rotary table.

n: see jack board.

n: a protective device, usually made of rubber, that fits on the outside diameter of the box of the pipe that is in the hole. It has a funnel-shaped top and serves as a cushion and guide for stabbing pipe.

n: A device used to protect the female connection when stabbing .

n: a special drill stem valve that, when in open position, allows fluid to flow through it, thus allowing the valve to be stabbed into the drill stem.