Research Article

Pore Structure and Multifractal Characteristics of Overmature Continental Shale: A Case Study from the Xujiaweizi Fault Depression, Songliao Basin, China

Table 4

Pore structure parameters of study samples from NGA.

SampleLoop typeBET SSA
m2/g
Pore volume
10-3 cm3/g

nm
Pore percentages/%
<25 nm25~100 nm>100 nm

DS6-6H27.2217.159.5049.8237.1213.05
DS6-177.1914.698.1755.2732.4812.26
XS25-54.7515.5213.0840.6545.7113.64
XS25-64.0312.7212.6342.2546.6211.14
ZS14-57.3012.236.7059.9325.4614.61
DS28-11H35.8318.7512.8635.1541.3023.56
DS28-155.6117.7712.6736.0841.4222.49
ShS5-164.7611.749.8749.3533.0917.56
XS25-23.3612.1514.4636.7746.9916.24
XS25-122.808.8312.6339.3842.9517.67

SSA is the special surface area; is the average pore diameter.