دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a pipe fitting on which the external thread is larger than the internal thread to allow two pipes of different sizes to be connected.2. a removable lining or sleeve inserted or screwed into an opening to limit its size, resist wear or corrosion, or serve as a guide.

n: The coupler used to connect different size of pipes. One end is male thread and the other is female thread.

n pi: see kelly bushing rollers. drive shaft n: in a top drive, d1e shaft that comes out of the drives drilling motor. Usually, crew members attach a saver sub (a short pipe fitting) to the drive shaft and attach the top joint of drill pipe to the sub. The drive shaft transmits the motors rotating fon:e to the drill string and bit. See top drive.

n: refer tokelly bushing rollers

n: an important part of the primary element of an orifice meter installation that must create a known flow pattern for the fluid as it reaches the plate. It is the straight upstream pipe of the same size between the orifice and nearest pipe fitting and the similar downstream pipe between the orifice and nearest pipe fitting.

n: a big and thick pipe in the choker line ,usually used to decrease the fluid speed so as to decreace the flushing to the pipe fittings

n: a projecting rim or edge (as on pipe fittings and openings in pumps and vessels),usually drilled with holes to allow bolting to other flanged fittings.

a common, high pressure wellhead connection, using bolt attached flange plates and metal-to-metal seals.

n: 1. an accessory system of piping to a main piping system (or another conductor) that serves to divide a flow into several parts, to combine several flows into one, or to reroute a flow to anyone of several possible destinations. 2. a pipe fitting with several side outlets to connect it with other pipes. 3. a fitting on an internal-combustion engine made to receive exhaust gases from several cylinders.

a junction or center for connecting several pipes and selectively routing the flow.

n: a tubular pipe fitting threaded on both ends and less than 12 inches (30 centimetres) long, used for making connections between pipe joints and other tools.

n: a short length of tubing (generally less than 12 in.) with male threass at boyh ends.

n: an auxiliary part (such as a coupling, elbow, tee, or cross) used for connecting lengths of pipe.

n: a heavy-duty steel, T - shaped pipe fitting that is screwed or flanged to the top of a pumping well. The polished rod works through a stuffing box on top of the tee and in the run of the tee to operate a sucker rod pump in the well. Pumped fluid is discharged through the side opening of the tee.

a Tee fitting in the top of a rod pumped well. The side ort allows the pumped fluids to flow into the surface lines.