دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: refer to shockabsorber

n: The entire drilling assembly from the swivel to the collars, stabilisers, shock absorbers and reamers. Used to rotate the bit and to carry the mud or circulating fluid to the bit.

n: It is made by rubber,which can decrease the amplitude of mud desander.

n: A kind of safety relief expansion joint ,which be used to decrease the vibration.



a mechanical dampener above a perforating gun that attenuates some of the acceleration force created by firing the gun.

n: The internal-aerating sealing container at the exit of the pump,which can decrease the unequal of delivery capacity and fluctuation of pressure.

n: The internal-aerating sealing container at the import of the suction valve,which can make the velocity of fluid stability.

n: 1. a device that mechanically or hydraulically forces pipe or tools into the well against pressure. 2. a device within some hooks that acts as a shock absorber in eliminating the bouncing action of pipe as it is picked up.

n: A suit of equipment be controled by hydraulic pressure,which can tripping in at definite pressure.

n: a pattern of drum spooling in which the wore rope travels in a two-step grooving pattern but has flat or level areas for crossing over to act as shock absorbers for the rope and to reduce the rise or hump produced in all multiwrapping of wire rope.