Experimental Investigation of the Dependence of Accessible Porosity and Methane Sorption Capacity of Carbonaceous Shales on Particle Size

Figure 6

(a) Comparison of fractional methane uptake for all samples investigated in this study at constant mean pore pressure, (b) fractional methane uptake for Kimmeridge Clay at constant mean pore pressure and varying particle sizes, (c) comparison of helium and methane uptakes for the Alum Shale at constant mean pore pressures, and (d) fractional methane uptake with increasing mean pore pressure for the Bazhenov Shale.