Production riser with pre-formed curves for accommodating vessel motion
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United States of America Patent
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Issued Date -
Feb 12, 2004
app pub date -
Aug 7, 2002
filing date -
Aug 7, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for establishing a fluid communication between a floating-body and a wellhead is provided. The system comprises a means for fluidly connecting the floating-body and the wellhead that defines a major axis essentially extending from about the floating-body to about the wellhead. The system further comprises a means for absorbing and releasing energy in response to the heave and surge of the floating-body that flexes in a direction essentially parallel to the major axis. An apparatus is also provided for establishing a fluid connection between a floating-body and a wellhead that is fixed to the seafloor. The apparatus comprises a riser pipe and a series of pre-formed curves in the riser pipe that defines a substantially linear axis between the floating-body and the wellhead.
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