Flex J-Lay tower
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United States of America Patent
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Aug 17, 2004
Grant Date -
Dec 18, 2003
app pub date -
Jun 13, 2002
filing date -
Jun 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for j-laying a pipeline from an offshore vessel to the floor of the ocean comprising a multiplicity of winches for supporting the upper end of the pipeline at its natural hanging angle, a mast in a fixed angle to the vessel, holding new pipe section in the mast for welding to the upper end of the pipeline, and flexing the lower end of the new pipe section into alignment with the upper end of the pipeline to allow welding to the pipeline and flexing the remainder of the new pipe section to remain within the mast.
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