Reservoir Characteristics and Gas Content of Black Shale of Wufeng-Longmaxi Formation in Qianjiang Area, Southeast Chongqing, China

<div>Mineralogical characteristics of black shale in Wufeng-Longmaxi Formation. (a) Well QD1, 1098.92 m, feldspar; (b) well QD1, 1101.38 m, calcite; (c) well ZY1, 2620.01 m, quartz; (d) well ZY1, 2622.07 m, moldy spherical pyrite; (e) well ZY1, 2618.01 m, sapropel amorphous; (f) well ZY1, 2616.81 m, sapropel amorphous.</div>

Geofluids

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Figure 2

Figure 2: Reservoir Characteristics and Gas Content of Black Shale of Wufeng-Longmaxi Formation in Qianjiang Area, Southeast Chongqing, China 