Fig. 10 | Scientific Reports

Fig. 10

From: Accurate lithofacies identification in deep shale gas reservoirs via an optimized neural network recognition model, Qiongzhusi Formation, southern Sichuan

Fig. 10

Characteristics of sedimentary structures within sand-muddy semi-deep-water shelf and argillaceous semi-deep-water shelf. (a) SEM image of A103 well (3375.9 m), mica with layered structure. (b) Core photo of A103 well (3394.2 m) with horizontal bedding. (c) Core photo of A103 well (3275.99 m) with calcareous sandstone band. (d) SEM image of A103 well (3265.93 m), an extremely fine crystalline calcite exhibits inlaid contact and develops dissolution pores.

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