Valve assembly for use in a wellbore

1. Field of the Invention The present invention generally relates to a plunger-type valve for use in a wellbore. The plunger-type valve is arranged to selectively allow fluid flow to enter and exit the valve in both directions. Subsequently, the plunger-type valve can be deactivated to selectively a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Laurel, David F
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:1. Field of the Invention The present invention generally relates to a plunger-type valve for use in a wellbore. The plunger-type valve is arranged to selectively allow fluid flow to enter and exit the valve in both directions. Subsequently, the plunger-type valve can be deactivated to selectively allow fluid flow in only one direction. The valve includes a body, at least one locking segment, a locking sleeve, at least one biasing member, a valve seat and a plunger.