Abstract

The interactions of a surfactant, polymer, and surfactant and polymer with SmartWater (SW), at the crude oil/brine interface, were studied using an interfacial shear rheometer and Langmuir trough at both ambient and elevated temperatures. The reservoir crude oil is used, and high salinity water (HSW) is selected as the base line to provide representative comparisons against SW. An amphoteric surfactant (at 1000ppm) and a sulfonated polyacrylamide polymer (500ppm) are chosen for this experimental investigation.

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