Pipelaying
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Mar 3, 2014
filing date -
Mar 4, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A mudmat for a subsea pipeline accessory has a body with an accessory support structure arranged to lie underneath and support an accessory. At least one foundation element attached to the body is movable from a stowed position at least partially under the accessory support structure into a deployed position extending laterally from the accessory support structure after overboarding the accessory from a vessel and before landing the accessory on the seabed. Two or more foundation elements may be deployed simultaneously in laterally-opposed directions transverse to the longitudinal axis of a pipe that supports the accessory.
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