Temporary containment of oil wells to prevent environmental damage
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United States of America Patent
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May 21, 2013
Grant Date -
Apr 12, 2012
app pub date -
Oct 6, 2010
filing date -
Oct 6, 2010
priority date (Note) -
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Abstract
A containment vessel is moved proximate to and preferably surrounding the wellhead, such that leaking oil enters an interior chamber of the vessel. A fluid pump of the containment system is actuated to flow leaking hydrocarbon fluid through a conduit toward a collection sump. A controller controls the speed or volume of a fluid pump to maintain suction force within the interior chamber, or the pressure at wellhead annulus site (PWAS) at a set point that is based on seabed pressure.
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