Methods for inhibiting hydrate blockage in oil and gas pipelines using betaines and amine oxides
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United States of America Patent
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Issued Date -
Apr 21, 2005
app pub date -
Aug 13, 2004
filing date -
Oct 21, 2003
priority date (Note) -
Abandoned
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Abstract
A method and a betaine or amine oxide composition used therein for inhibiting, retarding, mitigating, reducing, controlling and/or delaying formation of hydrocarbon hydrates or agglomerates of hydrates. The method may be applied to prevent or reduce or mitigate plugging of conduits, pipes, transfer lines, valves, and other places or equipment where hydrocarbon hydrate solids may form under the conditions. At least one betaine or amine oxide compound is added into the process stream, where the compound may be mixed with another compound selected from amino alcohols, esters, quaternary ammonium, phosphonium or sulphonium salts, amides, simple amine salts, and combinations thereof.
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