Method for capturing flow discharged from a subsea blowout or oil seep
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United States of America Patent
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Jan 5, 2016
Grant Date -
Jun 11, 2015
app pub date -
Dec 5, 2014
filing date -
Sep 20, 2010
priority date (Note) -
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Abstract
A method of capturing flow discharged from a subsea blowout or oil seep includes lowering a collector from a mobile offshore drilling unit (MODU) onto a seafloor at a location distant from subsea equipment blowing production fluid. A workstring is connected to the collector and an inert gas is injected through the workstring. The collector is landed onto the subsea equipment while maintaining the injection of inert gas. The inert gas injection is halted and a top of the workstring is routed to surface collection equipment, thereby directing the blowing production fluid from the subsea equipment, into the collector, and through the workstring to the MODU.
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