Method and an apparatus for cold start of a subsea production system
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United States of America Patent
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Dec 11, 2012
Grant Date -
Feb 25, 2010
app pub date -
Sep 20, 2007
filing date -
Sep 21, 2006
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Abstract
A method and an apparatus for establishing a hydrate free regime in a subsea production flowline before discharging into the subsea production flowline a production flow of hydrate prone hydrocarbon product pursuant to a shutdown or at an initial start of production. The hydrate free regime is achieved by injecting into the flowline a heated water volume in advance of discharging the hydrocarbon product from the subsea production system.
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