METHOD OF RECOVERY AND MIGRATION OF HIGH-VISCOSITY PETROLEUM PRODUCTS Russian patent published in 1999 - IPC

Abstract RU 2125202 C1

FIELD: oil-and-gas industry. SUBSTANCE: recovery and migration of high-viscosity petroleum products in form of aqueous dispersions in presence of sulfonate dispersant which is extracted from sulfonates of alkali metals and alkaline-earth metals or ammonium of indene coumarone sulfonate resins. EFFECT: avoidance of toxic reagents; enhanced efficiency; at reduced amount. 6 cl, 1 tbl, 6 App

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RU 2 125 202 C1

Authors

Armando Markotullio

Al'Berto Di Lullo

Luidzhi Bertero

Dates

1999-01-20—Published

1995-03-10—Filed