WAVE SPRING FLAPPER CLOSURE MECHANISM
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Aug 6, 2013
filing date -
Aug 6, 2013
priority date (Note) -
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Abstract
An apparatus is disclosed herein, including a connector beam, a flapper, a collapsible member coupled to the connector beam and to the flapper, and a wave spring coupled to the connector beam. The flapper may be pivotally mounted to the connector beam such that it is rotatable between an open position and a closed position. The wave spring rotates the flapper between the open and closed positions. A method of sealing a wellbore is disclosed herein, including the steps of: retracting a tubing member, partially decompressing a wave spring coupled to a connector beam after retracting a tubing member, collapsing a collapsible member coupled to the connector beam and to the flapper, and engaging a flapper with a seat positioned in a wellbore.
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