Relating to buoyancy-supported risers
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United States of America Patent
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Aug 23, 2016
Grant Date -
Sep 3, 2015
app pub date -
Oct 7, 2013
filing date -
Oct 15, 2012
priority date (Note) -
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Abstract
A subsea riser support buoy is disclosed having a riser support member and a jumper support member that extend generally parallel to each other and that define a lengthwise direction extending between them across the buoy. Pontoons extend lengthwise beyond the riser support member and the jumper support member to provide attachment points for connecting tethers to the buoy. In this way, the attachment points are spaced more widely than lengthwise extremities of the riser support member and the jumper support member, beneficially altering the dynamic behavior of the buoy and especially its pitch characteristics.
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