FLEXIBLE CATENARY RISER HAVING DISTRIBUTED SAG BEND BALLAST
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Aug 20, 2010
filing date -
Aug 26, 2009
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates to a subsea catenary and a method of distributing ballast on a pipe. The subsea catenary includes a flexible pipe, and a selected amount of ballast attached to the flexible pipe, in which the ballast is distributed in a wave pattern on a sag bend of the subsea catenary. The method includes identifying a position of a sag bend in a flexible pipe of the subsea catenary, and applying ballast in a wave distribution along the subsea pipe at the identified position.
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