Dossier: Characterisation and Modeling of Low Permeability Media and Nanoporous Materials
Open Access

Table 1.

General characteristics of the six claystone samples imaged by FIB/SEM [8, 31] and analyzed herein for GBP. Porosity is determined after segmentation by the Yen algorithm available in ImageJ

Sample name (core no. + number) Sample orientation Sample size (μm3) Voxel size (nm3) Porosity (%) (Yen segmentation algorithm) Connectivity
EST27405-1 Perpendicular to bedding planes 53.8 8.49×10.78×10 2.80 Yes, only through cracks
0.79 (connected only)
EST27405-2 Perpendicular to bedding planes 27.8 5.94×7.54×10 4.90 Yes, only through cracks
2.10 (connected only)
EST26095-1 Parallel to bedding planes 146.7 8.48×10.77×20 1.70 No
0 (connected only)
EST26095-2 Parallel to bedding planes 88.9 8.48×10.77×20 5.90 Yes no cracks
0.73 (connected only)
EST26095-3 Parallel to bedding planes 111.4 8.49×10.78×20 5.21 No
0 (connected only)
Tournemire-1 Perpendicular to bedding planes 553.1 8.49×10.78×50 3.64 (with cracks) 0.68 (connected only) Yes, only through cracks

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.