EMULSIFIER OF INVERTED EMULSIONS Russian patent published in 2001 - IPC

FIELD: technology of production of oil and gas. SUBSTANCE: complex emulsifier of inverted emulsions comprises oil-soluble surfactant in the form of products of reaction of tall oil acids with triethanol amine and carbamide, chlorosulfonated polyethylene and hydrocarbon solvent, ratio of components is as follows, wt.%: product of reaction of tall oil acids with triethanol amine and carbamide at triethanol amine to carbamide ratio of 2.5:1: 0.02, 35-45; chlorosulfonated polyethylene, 0.2-5; hydrocarbon solvent, toluene, ethylbenzene or butylbenzene fraction, up to 100. EFFECT: increased thermal stability of inverted emulsions when using said emulsifier. 1 tbl