Slug mitigation system for subsea pipelines and risers
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United States of America Patent
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May 24, 2016
Grant Date -
May 21, 2015
app pub date -
Nov 13, 2014
filing date -
Nov 15, 2013
priority date (Note) -
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Abstract
A slug mitigation system for subsea pipelines includes a riser located between a low level and an upper (above sea-) level of a pipeline, where an inline separator, e.g. an “I-SEP”, is located upstream of a first stage separator. A throttling valve or fixed restriction is located downstream or upstream in series with the inline separator. Further aspects may also include a surface jet pump upstream of the in-line separator and/or a cyclonic separator downstream of the in-line separator.
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