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.
Sample
Loop type
BET SSA m2/g
Pore volume 10-3 cm3/g
nm
Pore percentages/%
<25 nm
25~100 nm
>100 nm
DS6-6
H2
7.22
17.15
9.50
49.82
37.12
13.05
DS6-17
7.19
14.69
8.17
55.27
32.48
12.26
XS25-5
4.75
15.52
13.08
40.65
45.71
13.64
XS25-6
4.03
12.72
12.63
42.25
46.62
11.14
ZS14-5
7.30
12.23
6.70
59.93
25.46
14.61
DS28-11
H3
5.83
18.75
12.86
35.15
41.30
23.56
DS28-15
5.61
17.77
12.67
36.08
41.42
22.49
ShS5-16
4.76
11.74
9.87
49.35
33.09
17.56
XS25-2
3.36
12.15
14.46
36.77
46.99
16.24
XS25-12
2.80
8.83
12.63
39.38
42.95
17.67
SSA is the special surface area; is the average pore diameter.