Subsea internal riser rotating control device system and method
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United States of America Patent
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Dec 4, 2012
Grant Date -
Jul 15, 2010
app pub date -
Dec 21, 2009
filing date -
Jan 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An RCD is used to provide a system and method for sealing a marine riser having a rotatable tubular. A bypass internal channel or external line may be used to allow fluid to bypass the RCD seal. An RCD seal assembly seal could be a mechanically extrudable seal or a hydraulically expanded seal to seal the RCD with the riser.
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