Method and installation for laying a pipeline on a surface located under water
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United States of America Patent
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Oct 20, 1998
Grant Date -
N/A
app pub date -
Mar 8, 1996
filing date -
Mar 10, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A method for laying a pipeline on a surface located under water such as a deep sea bed. The pipeline is held fixedly by tensioners having tensioning elements each extending between a clamping member engaging on the pipeline and a support member connected to a vessel. Tensioning is accomplished by sets of endless clamping bands which apply a braking action to the pipeline. A set of clamping jaws is clamped fixedly to the pipeline and moves along with the pipeline from a starting position to a releasing position. As a set of clamping jaws is clamped to the pipeline, another set of clamping jaws is released from the pipeline and returned to a starting position to continually repeat the cycle of holding and releasing of the pipeline.
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