Gas Breakthrough Pressure (GBP) through Claystones: Correlation with FIB/SEM Imaging of the Pore VolumeYang Song, Catherine A. Davy and David TroadecOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 71 4 (2016) 51DOI: https://doi.org/10.2516/ogst/2016001