Internal shock absorber plunger

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 47/12 (2006.01) E21B 43/12 (2006.01) F04B 53/14 (2006.01) F16F 7/09 (2006.01)

Patent

CA 2504547

A plunger mechanism has an internal shock absorber apparatus that operates to absorb shock during plunger fall and rise, thereby promoting a more reliable plunger lift system. The present apparatus can be used in well applications with or without a bumper spring. With the added reliability of the present system, well applications could be implemented such that fewer restrictions are encountered by a plunger at the well bottom. In addition, added reliability can help reduce plunger damage, whereby plunger life can be extended. Similarly, the present apparatus can minimize damage and extend the life of well components.

L'invention concerne un mécanisme à piston plongeur qui a un amortisseur interne destiné à absorber les chocs durant la montée et la descente du piston plongeur, favorisant ainsi un système de levée du piston plongeur plus fiable. Le présent appareil peut être utilisé dans des applications de puits, avec ou sans un ressort butoir. Grâce à la fiabilité accrue du système, il est possible de mettre en ouvre des applications de puits de façon à réduire les restrictions rencontrées par un piston plongeur au fonds du puits. De plus, une fiabilité accrue peut aider à réduire les dommages du piston plongeur, ce qui peut prolonger la durée de vie de celui-ci. Dans le même ordre d'idées, le présent appareil peut minimiser les dommage et prolonger la durée de vie des éléments d'un puits.

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