Pressure exchanger having crosslinked fluid plugs
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United States of America Patent
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Nov 13, 2018
Grant Date -
Nov 9, 2017
app pub date -
May 3, 2016
filing date -
May 3, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method includes introducing a proppant slurry into a first end of a hydraulic energy transfer system, introducing a clean fluid into a second end of the hydraulic energy transfer system opposite the first end, operating the hydraulic energy transfer system to retain a portion of the proppant slurry in the hydraulic energy transfer system while transferring pressure of the clean fluid to the proppant slurry, and forming a fluid plug that separates the proppant slurry and the clean fluid, the fluid plug being formed by increasing a viscosity of the portion of the proppant slurry to be higher than a viscosity of the clean fluid and a viscosity of the proppant slurry in the hydraulic energy transfer system.
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