SLIDING SLEEVE SHUNT TUBE ISOLATION VALVE SYSTEM AND METHODOLOGY
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United States of America Patent
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Issued Date -
May 13, 2021
app pub date -
Dec 17, 2018
filing date -
Dec 18, 2017
priority date (Note) -
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Abstract
A technique facilitates performance of a gravel packing operation and desired zonal isolation. An apparatus, e.g. a sliding sleeve shunt tube isolation valve, may be deployed downhole and configured to facilitate a gravel packing operation and zonal isolation. By way of example, the apparatus contains a conduit which in an open position allows the flow of gravel pack slurry and in a closed position creates a barrier. In the closed position, upper and lower portions of the conduit are isolated from one another. When the apparatus is coupled with a packer and sand screens, the apparatus serves to create complete zonal isolation in, for example, an open hole alternate path system.
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