Abstract
Based on the composition characteristics of the super heavy oil, nine kinds of oil-soluble viscosity reducing agents were synthesized. By adjusting the types and the ratio of monomer, the molecule structure was carefully screened out suitable for super heavy oil. The polymer from octadecyl acrylate and styrene got the best performance and had good temperature resistance. After treatment with agent, the viscosity is greatly reduced, and heavy oil becomes full Newtonian fluid, which is very convenient for storage and transportation. Polymer has two roles in the viscosity reduction process: infiltration effect of branched and supporting role from polymer backbone.
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