Subsea multiphase pumping systems
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United States of America Patent
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Aug 4, 2009
Grant Date -
Nov 29, 2007
app pub date -
May 26, 2006
filing date -
May 26, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In subsea multiphase pumping systems, the use of a gas-liquid cylindrical cyclone (GLCC) as a separator to recirculate liquid from pump discharge to pump suction, especially during high gas inlet conditions from a multiphase petroleum stream. Further contemplated is protection of the pump from momentary high gas inlet conditions due to an incoming slug flow profile from a petroleum stream, via transforming a naturally varying multiphase petroleum stream into separated phases for measured distribution to the pump suction and ensuring a minimum liquid flow.
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