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U.S. Department of Energy
Office of Scientific and Technical Information

Method for inhibiting corrosion

Patent ·
OSTI ID:5755991
A composition comprising the reaction adduct or neutralized product resulting from the reaction of a maleic anhydride and an oil containing a polynuclear aromatic compound is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition is particularly useful in the treatment of down-hole metal surfaces in oil and gas wells to inhibit the corrosion of the metal.
Assignee:
Phillips Petroleum Co.
Patent Number(s):
US 4556111
OSTI ID:
5755991
Country of Publication:
United States
Language:
English