Using BIB-SEM Imaging for Permeability Prediction in Heterogeneous Shales

Table 2

Petrophysical measurements of the investigated samples featuring elemental analysis, helium pycnometry (He), non-steady-state gas permeability measurements, and vitrinite reflectance data. -corrected helium permeability extrapolated to zero effective stress.

Sample	TOC [wt.%]	TOC [vol.%]	Bulk density [g/cm^3]	He grain density [g/cm^3]	He-porosity [%]	Permeability	[%]
NJ-001	3.85	8.39	2.54	2.68	5.27	160.33	2.52
NJ-019	1.82	4.07	2.61	2.72	3.75	43.15	2.05
NJ-023	0.76	1.74	2.68	2.72	1.66	3.94	2.70