Composition and method for corrosion inhibition

Details Composition and method for corrosion inhibition Composition and method for corrosion inhibition

1986-01-06

1987-04-07

Guynn, Herbert B.

Wells

Processes

Cementing, plugging or consolidating

166371, 166902, 252 8555, 252391, 422 7, 422 12, C23F 1116

Patent

active

046552871

ABSTRACT:
A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises the reaction product of a first component selected from an epoxy resin, an epoxidized alkene and a substrate having at least one displaceable halogen, and a second component comprising a monomercaptan in a hydrocarbon diluent. The composition is applied by contacting the metal surface with the composition. The composition is particularly useful in the treatment of down-well metal surfaces in oil and gas wells to inhibit the corrosion of the metal under highly corrosive conditions, and is effective even in the presence of polymeric permeability control agents such as aqueous polyacrylamides.

REFERENCES:
patent: 2831830 (1958-04-01), Schroeder
patent: 3881552 (1975-05-01), Hessert
patent: 4029621 (1977-06-01), Hartman et al.
patent: 4031023 (1977-06-01), Musser et al.
patent: 4312830 (1982-01-01), Quinlan
patent: 4393026 (1983-07-01), Thompson et al.
patent: 4446056 (1984-05-01), Thompson

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