Pipelaying
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United States of America Patent
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Sep 20, 2022
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N/A
app pub date -
Dec 8, 2017
filing date -
Dec 9, 2016
priority date (Note) -
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Abstract
An in-line accessory structure for a subsea pipeline has an elongate pipe section arranged to be integrated into the pipeline, hence defining a flow axis through the structure. A branch has a lower end in fluid communication with the pipe section and an upper end in fluid communication with a connector hub. The structure further has a subsea foundation such as a mudmat, arranged to support the structure installed orientation. When the structure is in that orientation, the branch inclines inwardly from its lower end toward its upper end in a transverse direction, toward an upright longitudinal plane containing the flow axis.
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