准噶尔盆地玛湖凹陷二叠系风城组页岩储集层裂缝测井识别与有效性分析*
黄玉越1,2, 王贵文1,2, 宋连腾3, 王松1,2, 张益粼1,2, 黄立良4, 赖锦1,2

Fracture logging identification and effectiveness analysis of shale reservoir of the Permian Fengcheng Formation in Mahu sag,Junggar Basin
Huang Yu-Yue1,2, Wang Gui-Wen1,2, Song Lian-Teng3, Wang Song1,2, Zhang Yi-Lin1,2, Huang Li-Liang4, Lai Jin1,2
玛湖凹陷风城组MY1井页岩储集层岩石发育特征与储集空间类型 a—云质页岩,可见明显“碳酸盐+长英质+有机质”三元纹层结构,4789.56 m,正交偏光;b—灰质页岩,可见方解石层被茜素红染成红色,4755.35 m,正交偏光;c—长英质页岩,可见长英质纹层与暗色有机质纹层互层,4694.23 m,正交偏光;d—云质页岩,可见硅硼钠石条带,4755.36 m,正交偏光;e—白云石、石英颗粒间充填伊蒙混层,部分溶蚀,4702.33 m,扫描电镜;f—白云石晶间孔隙中充填片状伊蒙混层,部分溶蚀,4762.25 m,扫描电镜;g—粒间孔,4709.43 m,扫描电镜;h—晶间孔,边缘溶蚀,4849.25 m,扫描电镜;i—白云石粒内溶孔, 4709.43 m,扫描电镜。图中代号说明: Q为石英,D为白云石,I/S为伊蒙混层