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

1986-10-10

1988-06-07

Jacobs, Lewis T.

Wells

Processes

Entraining or incorporating treating material in flowing...

166902, 166371, 523177, 523453, 106 1427, E21B 4300

Patent

active

047490420

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.

REFERENCES:
patent: 2843548 (1958-07-01), Westlund, Jr. et al.
patent: 3427190 (1969-02-01), Murdock
patent: 4157991 (1979-06-01), Pilla

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