Patent ID: 6800594
Filing Date: 2004-10-05
Classification: C09K,C23F

Abstract:
An environmentally friendly corrosion inhibiting formulation for the oil-water interface of pipe lines and oil well drilling systems which is prepared pursuant to a process including the steps of:(a) deriving a reactant by reacting a component selected from the group consisting of a fatty acid anhydride and a 21 carbon dibasic acid with an amine or imidazoline to form a corrosion inhibitor consisting essentially of a fatty acid derivative; (b) dissolving the inhibitor in a fatty acid oil or ester selected from the group consisting of soybean oil or methyl soya ester; (c) adding water dispersing agents selected from the group consisting of sulfonates and a long chain ethoxylated alcohol; and (d) adjusting the viscosity with an alcohol comprising isopropanol.