Interconnection of subsea pipelines and structures
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United States of America
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Mar 29, 2022
Grant Date -
Oct 8, 2020
app pub date -
Jun 15, 2018
filing date -
Jun 15, 2018
priority date (Note) -
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Abstract
There is provided a method of interconnecting a conduit and a plurality of subsea structures. The method comprises providing a first manifold header in-line of the conduit, where the first manifold header has at least one valve installed therein, A portion of the conduit is lowered to the sea bed such that the first manifold header is engaged with a first subsea structure, and a further portion of the conduit is lowered to the sea bed. A second manifold header, having at least one valve installed therein, is provided in-line of the conduit and engaged with a second subsea structure. The length of conduit provided on the sea bed between the first subsea structure and the second subsea structure is significantly greater than the distance between the first and second subsea structures.
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