Method for controlling clathrate hydrates in fluid systems

Details Method for controlling clathrate hydrates in fluid systems Method for controlling clathrate hydrates in fluid systems

1993-06-24

1995-07-11

Pal, Asok

Chemistry of hydrocarbon compounds

Hydrate or production thereof

585950, 137 3, 137 13, 166310, 166371, C07C 720, F17D 105

Patent

active

054322928

ABSTRACT:
Discussed is a process for preventing clathrate hydrate masses from impeding the flow of fluid in a fluid system. An additive is contacted with clathrate hydrate masses in the system to prevent those clathrate hydrate masses from impeding fluid flow. The process is particularly useful in the natural gas and petroleum production, transportation and processing industry where gas hydrate formation can cause serious problems. Additives preferably contain one or more five member, six member and/or seven member cyclic chemical groupings. Additives include poly(N-vinyl-2-pyrrolidone) and hydroxyethylcellulose, either in combination or alone. Additives can also contain multiple cyclic chemical groupings having different size rings. One such additive is sold under the name Gaffix VC-713.

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