Conventional methods for wettability determination of shales: A comprehensive review of challenges, lessons learned, and way forward

The wettability is a critical property that governs the in situ fluid distribution, fractional flow, and hydrocarbon trapping in the porous media. This topic is of immense interest to the petroleum industry for the exploitation of unconventional resources, which have become a significant source of oil and gas production, especially in North America, Canada, and China, as a result of the advancement of horizontal drilling and fracking...