川东南盆缘复杂构造区深层页岩气富集特征

汪凯明

Enrichment characteristics of deep shale gas in tectonically complex regions of the southeastern Sichuan Basin

Kaiming WANG

图8 NY1井五峰组—龙马溪组一段页岩孔隙类型及发育特征 （a）4 409.19 m，①号小层，有机质孔隙发育，孔隙直径100~400 nm，呈椭圆状、狭长不规则状；（b）4 363.83 m，⑥号小层，有机质孔隙较发育，孔隙边缘圆滑，呈椭圆状—圆状；（c）4 323.70 m，⑧号小层，黏土矿物晶间孔；（d）4 336.75 m，⑧号小层，黄铁矿晶间孔；（e）4 397.02 m，③号小层，粒内溶蚀孔；（f）4 363.83 m，⑥号小层，微裂缝，宽度大于1 μm，未被充填

Fig.8 Pore types and development characteristics of Wufeng Formation-the first member of Longmaxi Formation in Well NY1