نمایش نتیجه 13201 تا 13210 از 14709 نتیجه یافت شده برای P:
n: a qualitative term describing tangential motions of liquid flow in a pipe or tube.
n: A kind of casing guide shoe,which can make cement slurry ascent at the shape of toroidal swirl after it flowing out.
n: a baffle installed at or near the outlet connection of a liquid storage container to prevent the formation of a vortex and air/vapor entrainment in the liquid. Also called vortex eliminator.
n: on a dieselelectric drilling rig, the equipment utilized to distribute and transmit electric power to the electric motors from the generators. switcher n: (obsolete) lease operator or pumper. See pumper.
n: a rotary tool that is hung from the hook and the traveling block to suspend and permit free rotation of the drill stem. It also provides a connection for the rotary hose and a passage- way for the flow of drilling fluid into the drill stem.
n: A mechanical device that must simultaneously suspend the weight of the drillstring, provide for rotation of the drillstring beneath it while keeping the upper portion stationary, and permit high-volume flow of high-pressure drilling mud from the fixed por
گلوگاه هرزگرد
n: The alloy steel tool that used to suspend swivel on the casing hook.
دسته ی گلوگاه هرزگرد
n: The rotary carrying pipe fittings in the swivel,its shoulder sitting on the main bearing and join with kelly bar by nipple.
n: Its knitted with steel wire,which used to join two wire rope temporarily.
n: A kind of swivel adapter,which used to join pipe line of transporting liquid.
مفصل گردان
n: special rubberized compounds placed in a swivel to prevent drilling fluid under high pressure from leaking out.
n: The tailored rubber workpiece be setted in the swivel ,which used to prevent drill fluid revealing at high pressure.
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