In mixed-wet pore networks, incremental oil from low-salinity flooding can only come from oil-wet pores, and improving microscopic sweep in those pores is necessary but not sufficient for extra recovery.
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A Mechanistic Pore-Scale Analysis of the Low-Salinity Effect in Heterogeneously Wetted Porous Media
In mixed-wet pore networks, incremental oil from low-salinity flooding can only come from oil-wet pores, and improving microscopic sweep in those pores is necessary but not sufficient for extra recovery.