Method of installing a tubular undersea pipeline
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United States of America Patent
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May 8, 2012
Grant Date -
Aug 19, 2010
app pub date -
Sep 17, 2008
filing date -
Oct 3, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An undersea installation for transporting hydrocarbons between a seabed and a surface and to a method for installing same. The installation includes a tubular undersea pipeline, a float and a coupling device. The undersea pipeline has a rising part, a connecting part and an intermediate portion. The coupling device includes a first longitudinal part and a second part connected in a coupling region of the first part. The coupling region of the first longitudinal part and the float being configured to be connected together. The first part is configured to pivot about the coupling region while bending the intermediate portion when the rising part is unwound and tilts towards the seabed.
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