Plug tooling package with integrated sequence valves
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United States of America Patent
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Feb 23, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 31, 2012
filing date -
Dec 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method of handling a plug in a tubing hanger includes a pressure actuated sequence valve that has multiple outlets. Hydraulic fluid from a remotely operated vehicle (ROV) provides hydraulic fluid that selectively flows through the valve for operating a tool that handles the plug. The valve outlets are ported to separate lines for operating different functions of the tool. Flow to a specific outlet occurs by sequencing the valve to a corresponding position, where the valve is sequenced by changing pressure of the hydraulic fluid. The sequence valve is disposed in a piston that is axially movable within the tool. A stroking rod attaches to the piston, and is actuated by diverting flow to sides of the piston.
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