Study on Pore Structure of Shale Reservoir by Low Temperature Nitrogen Adsorption Method

Table 3

Surface area and pore volume values of the analyzed shale samples.

Sample number	Hole volume ratio (%)		Specific surface area ratio (%)
	<50 nm	>50 nm	<50 nm	>50 nm
L-24	0.950445	0.049555	0.942868	0.057132
L-27	0.954351	0.045649	0.942854	0.057146
L-29	0.948322	0.051678	0.964788	0.057041
L-35	0.949041	0.050959	0.942839	0.057161