Fluid diverter system for a drilling facility
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United States of America Patent
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Oct 20, 2015
Grant Date -
Jun 19, 2014
app pub date -
Jun 19, 2012
filing date -
Jun 27, 2011
priority date (Note) -
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Abstract
A fluid diverter system for a drilling facility comprises a diverter housing (15; 15′) fluidly connected to a tubular (3, 42, 43) extending to a subsea well. The diverter housing (15; 15′) comprising a movable diverter element (2) for closing off the diverter housing, a first fluid conduit (44) connected to a mud system and comprising a first valve (5), at least one second fluid conduit (20; 20′) leading from an outlet (46; 46′) in the diverter housing to an overboard location and comprising a second valve (1; 48), and a third fluid conduit (16) connected to a mud/gas separator (MGS) (13) and comprising a third valve (4). The MGS (13) is arranged below the outlet (50) of the diverter line, whereby riser fluids may be fed from the diverter housing (15) to the MGS (13) by means of gravity flow. The diverter valve (1; 48) on a leeward side of the drilling facility is configured to be open before the diverter element (2) closes around the tubular (3).
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