Method and Apparatus for Laying Offshore Pipeline from a Vessel
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United States of America Patent
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Issued Date -
May 26, 2011
app pub date -
Aug 18, 2008
filing date -
Aug 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to a method and apparatus for laying offshore pipeline from a reel lay vessel. The invention involves providing a pipeline laying tower with a travelling clamp, which can be used to suspend the pipeline from the vessel, and a tensioner apparatus on the same tower, for providing a clamping force which can be used to suspend the pipeline from the vessel. The travelling clamp and tensioner apparatus may either be used separately or in conjunction with one another during the laying operation. The invention allows pipeline to be laid in very deep water.
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