Valve device for a side pocket or sub in a well
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United States of America Patent
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N/A
Issued Date -
Aug 15, 2013
app pub date -
Feb 15, 2011
filing date -
Feb 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A valve device for use in a side pocket and/or sub in a well, having a housing (1) with a first port (2) and a second port (3), a first valve body (11) movably mounted internally in the housing(1), a second valve body (20) mounted internally in the housing (1) and movable relative to both the housing (1) and the first valve body (11), where a first locking device (A) is configured between the first valve body (11) and the second valve body (20) in order to lock the movement of the first valve body (11) relative to the second valve body (20) in one direction and in such a manner that when the first locking device (A) is activated, the first valve body (11) is held in an open position as long as the second valve body (20) is in an open position.
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