Effects of testing method, lithology and fluid-rock interactions on shale permeability: A review of laboratory measurements

Shale permeability is very important for the prediction and evaluation of shale reservoir performance. In this paper, we review recent work on how shale permeability is affected by testing method, lithology, and fluid-rock interaction. Both the steady-state method and the pulse-decay method are used for shale permeability tests. However, the steady-state method is time-consuming, and the unsteady-state method may over-estimate permeability....