The Influential Factors and Characteristics of Tight Sandstone Gas Reservoir: A Case Study in Ordos Basin in China

Figure 4

Micropore structure of the samples in the research area. (a) Well Y169, 2763.47 m, CTS. (b) Well Y120, 2677.41 m, CTS. (c) Well Y123, 2587.62 m, SEM. (d) Well Y162, 2727.26 m, CTS.

(a)

(b)

(c)

(d)