Research Article

Fine Depicting of Seepage Barrier for Gas Flooding in the Lower Wuerhe Formation Reservoir of the 8th District in China

Figure 10

Microcast thin section images of cores: (a) microcracks around tuff gravel (crack widths 13-531 μm); (b) glass shard solution pores; (c) silty mudstone gravel chip; (d) microcracks in filler; (e) mudstone gravel containing silt; (f) cracks in fine siltstone gravel (crack widths 20-51 μm).
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