Patent ID: 7137401
Filing Date: 2006-11-21
Classification: C10L,F17D,Y10T

Abstract:
1. A method of reducing drag of a fluid, comprising: continously flowing a fluid; and continously adding to the fluid an amount of an additive thereby reducing the drag of the fluid as compared with the absence of the additive, the additive being selected from the group consisting of amine salts selected from the group consisting of imidazoline salts of; primary, secondary and tertiary amine salts of; heterocyclic amine salts of maleated fatty acids, and maleated fatty acids esters; and inorganic and organic salts of maleated fatty acids, and maleated fatty acid esters and mixtures thereof where an amount of the additive based on the total amount of the fluid ranges from 150 to 600 ppm.