F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/12 (2006.01) E21B 43/12 (2006.01) F04B 47/02 (2006.01) F04B 53/12 (2006.01)
Patent
CA 2369417
An auto-cycling plunger for use in lifting a fluid out of a well bore. The auto-cycling plunger includes a hollow, longitudinally extending body and at least one first directional outer seal disposed on an exterior surface of the body for creating a seal between the body and a well bore. At least a portion of the at least one first directional outer seal extends in a direction substantially parallel to a length of the longitudinally extending body. The portion of the first directional outer seal is spread resiliently outwardly from the body with an applied pressure, thereby increasing the degree of sealing. The auto-cycling plunger also includes a valve stem including a valve member, the valve stem extending through the longitudinally extending body and having actuable ends extending from the body. The valve stem is operable to be shuttled between an open position and a closed position. When the valve stem is in the open position, the valve member is longitudinally spaced from a valve seat on the body to allow fluid flow through the length of the body. When the valve stem is in the closed position, the valve member is seated on the valve seat, thereby sealing the body and preventing fluid flow therethrough.
Plongeur à cycles automatique utilisé pour faire sortir un liquide d'un puits de forage. Il comprend un corps creux qui s'étend longitudinalement et au moins un premier joint extérieur directionnel posé sur une surface extérieure du corps, afin de créer un joint entre le corps et le puits de forage. Au moins une partie du premier joint directionnel extérieur se prolonge dans une direction substantiellement parallèle à une longueur du corps longitudinal. La partie du premier joint directionnel extérieur s'étend du corps vers l'extérieur, sous pression, et améliore l'étanchéité. Le plongeur à cycles automatique comprend aussi une tige de soupape et un élément de soupape. La tige de soupape s'allonge dans le corps longitudinal et est dotée d'extrémités qui dépassent du corps et qui peuvent être actionnées. La tige de soupape peut être mise en position ouverte ou fermée. Lorsqu'elle est en position ouverte, l'élément de soupape est espacé longitudinalement d'un siège de soupape sur le corps afin de permettre la circulation de liquide dans le corps. Lorsque la tige de soupape est en position fermée, l'élément de soupape repose sur le siège de soupape et empêche le passage de liquide.
Abbott Douglas H.
Belczewski Daniel S.
Flo-Well Production Systems Inc.
Sim & Mcburney
Synco Tool Company Incorporated
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