Petroleum sulfonate adjuvants in epoxy resin corrosion-inhibitin

Details Petroleum sulfonate adjuvants in epoxy resin corrosion-inhibitin Petroleum sulfonate adjuvants in epoxy resin corrosion-inhibitin

1988-04-14

1989-01-24

Suchfield, George A.

Wells

Processes

Entraining or incorporating treating material in flowing...

106 1427, 166371, 166902, 523177, 523453, F21B 4102

Patent

active

047995530

ABSTRACT:
A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises an epoxy resin, and a petroleum sulfonate, usually in a hydrocarbon diluent. The composition can further comprise a polyamine, an alcohol or both. The composition is applied by contacting the metal surface with the composition as one solution or as a hydrocarbon solution of the epoxy resin and a solution comprising the petroleum sulfonate. The composition is particularly useful in the treatment of downhole metal surfaces in oil and gas wells to inhibit the corrosion of the metal.

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