F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 19/02 (2006.01) F04B 11/00 (2006.01) F04B 47/02 (2006.01)
Patent
CA 2399073
Fluid pumping apparatus for pumping fluids from a well comprising a downhole pump disposed near the lower end of a production string and including a tubular pump barrel (20) and a tubular pump plunger (30), concentrically disposed in the pump barrel. A standing valve (23) is provided in the fixed pump barrel and a traveling valve (31) is provided in the reciprocating plunger. A power device has a cyclindrical polished rod (36) with the diameter at least as great as the outside diameter of the pump plunger.
L'invention concerne un appareil de pompage de fluides utilisé afin de pomper des fluides dans un puits. Cet appareil comprend une pompe de fond placée près de l'extrémité inférieure d'une colonne d'extraction et comportant un cylindre de pompe tubulaire (20) et un plongeur de pompe tubulaire (30), disposé de manière concentrique dans le cylindre de pompe. Un clapet fixe (23) est installé sur le cylindre de pompe fixe et un clapet de refoulement (31) est monté sur le plongeur à va-et-vient. Un dispositif d'alimentation est muni d'une tige polie cylindrique (36), dont le diamètre est au moins aussi grand que le diamètre externe du plongeur de pompe.
Ridout & Maybee Llp
Skillman Pump Company Llp
LandOfFree
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