Method for treating subterranean formations

摘要

A well treatment fluid such as a fracturing fluid or drilling fluid which comprises a water-in-oil emulsion containing an amine or amine oxide surfactant of the following formula:or a protonated form thereofwherein R3 is a hydrocarbyl or substituted hydrocarbyl having from about 8 to about 30 carbon atoms, and R1 and R2 are independently hydrogen, a hydrocarbyl or substituted hydrocarbyl having up to 30 carbon atoms.