Top hold down rod pump with hydraulically activated drain...

Details Top hold down rod pump with hydraulically activated drain... Top hold down rod pump with hydraulically activated drain...

E - Fixed Constructions

21

B

E21B 34/08 (2006.01) E21B 23/01 (2006.01) E21B 34/14 (2006.01)

Patent

CA 2627822

The present invention relates to a top hold-down pump having a barrel drain operatively connected to the pump beneath a seating nipple. The design of the pump provides specific advantages over past systems by improving the efficiency of re- setting the barrel drain and the required work over costs after the drain has been activated.

La présente invention concerne une pompe à tiges à barre de retenue en tête munie d'un drain à commande raccordé à une pompe située sous un manchon de raccordement. La conception de cette pompe offre des avantages particuliers comparativement à d'autres systèmes, permettant d'améliorer l'efficience à la réinitialisation du drain cylindrique et la rentabilité des travaux requis un fois le drain activé.

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