Mercaptan composition for dissolving sulfur and process for its

Details Mercaptan composition for dissolving sulfur and process for its Mercaptan composition for dissolving sulfur and process for its

1990-06-29

1992-04-14

Stoll, Robert L.

Compositions

Leather or fur treating

166312, 507 90, E21B 4300

Patent

active

051045575

ABSTRACT:
A composition is disclosed for dissolving sulfur and preventing or removing sulfur plugs from sour gas and oil wells or other conduits through which sulfur bearing liquids flow which comprises a major proportion of a liquid or gaseous mercaptan, a minor proportion of a catalyst which is a substantially water-insoluble amine, and minor amount of an activator which is a compound of the formula ##STR1## where R is hydrogen, alkyl, aryl or alkaryl and the alkyl moieties have from 1 to 24 carbon atoms, and x and y are independent values between 0 and 24 provided that x or y is at least 1; a method is also disclosed wherein said composition in an effective amount is injected into a conduit to prevent or remove sulfur plugging, and the composition containing dissolved sulfur is optionally recovered.

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Freedman, Pure & Appln. Chem., vol. 58, No. 6, pp. 857-868 (1986).

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