Redeployable subsea manifold-riser system
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United States of America Patent
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Apr 19, 2016
Grant Date -
Apr 23, 2015
app pub date -
Sep 14, 2012
filing date -
Sep 16, 2011
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Abstract
A subsea manifold-riser system is redeployed from a first production location to a second production location. A manifold module is lowered to the ocean floor at the first production location using a marine riser as a running tool by adding threaded pipe sections to the upper end of the marine riser. The manifold module is raised from the ocean floor at the first production location for redeployment at the second production location using the marine riser as a retrieval tool by removing threaded pipe sections from the upper end of the marine riser.
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