Shell Oil Comapny

Anton Jacobus Weisenborn

Vitold R Kruka

Ulfert Cornelis Klomp

Rene Reijnhart

The plugging of conduits containing a mixture of low-boiling hydrocarbons and water in inhibited by adding to the mixture an effective amount of at least one alkylated compound of the general formula formula ##STR1## wherein R.sub.1 and R.sub.2 each are independently chosen from normal or branched alkyls containing a chain of at least 4 carbon atoms, R.sub.5 is an organic moiety containing a chain of at least 4 atoms, X is S, N--R.sub.4 or P--R.sub.4, R.sub.4 is H or an organic substituent, suitably an alkyl or alkenyl group having from 8 to 20 carbon atoms, and Y-- is an anion.

Method for inhibiting the plugging of conduits by gas hydrates

A method is provided for inhibiting the formation of hydrates in streams containing low-boiling hydrocarbons and water. The method includes adding to the stream a component of the formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are independently chosen from the group consisting of normal and branched alkyls having at least 4 carbon atoms,

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Amsterdam, Netherlands

Anton Jacobus Weisenborn