Composition and method for corrosion inhibition

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

1985-11-12

1987-05-12

Guynn, Herbert B.

Wells

Processes

Cementing, plugging or consolidating

252 8555, 252395, 528109, 422 12, 422 14, 568 46, 166902, C09K 700, E21B 33138

Patent

active

046641939

ABSTRACT:
A corrosion-inhibiting composition and method of inhibiting corrosion on metal surfaces are described. The composition comprises a reaction product of (a) a first constituent selected from an epoxide having an average of at least about one vicinal epoxide per molecule and a halogenated aliphatic compound having at least one displaceable halogen and (b) a second constituent comprising a dimercaptan. The reaction product in a hydrocarbon diluent is an effective corrosion inhibitor when applied to metal surfaces in highly corrosive environments, and is designed particularly for downhole metal surfaces of oil drilling equipment.

REFERENCES:
patent: 3291776 (1966-12-01), Newey et al.
patent: 3881552 (1975-05-01), Hesset
patent: 4031023 (1977-06-01), Musser et al.
patent: 4393026 (1983-07-01), Thompson et al.

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