FORMULATIONS COMPRISING AN ASPHALTENE-DISPERSING/INHIBITING ADDITIVE BASED ON OXAZOLIDINES DERIVED FROM POLYALKYL OR POLYALKENYL N-HYDROXYALKYL SUCCINIMIDES

摘要

The invention relates to formulations comprising an asphaltene-dispersing/-inhibiting additive based on oxazolidines derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides. Said formulations can contain: inert organic solvents, preferably including toluene, mixtures of xylene, o-xylene, p-xylene, kerosene, turbo fuel; inert hydrocarbon solvents having boiling points within the range of gasoline and diesel; or inert organic hydrocarbon solvents having a boiling point between 75 and 300°C. The weight ratio of inert organic solvents to additive, which prevents and controls the precipitation and deposition of asphaltenes, varies between 1:9 and 9:1, but is preferably between 1:3 and 3:1.