It has been reported that the ionic strength of injection water can have a major impact on the recovery of hydrocarbons during
waterfloods, with increased recovery resulting from the use of low salinity brines. Understanding how the water and oil
chemistry affects the final recovery from a physicochemical point of view is necessary in order to optimize low salinity water
flooding process. It is clear from the literature over the last two decades that wettability is considered a key factor in
achieving the low salinity effect. Optimum ionic strength and conditions for low salinity flood with respect to wettability is
still uncertain.