细粒沉积岩优质储集层发育主控因素分析: 以渤海湾盆地沾化凹陷为例*
林兴悦1,2, 朱筱敏1,2, 王晓琳1,2, 张美洲1,2

Reservoir characteristics and distribution of lacustrine fine-grained sedimentary rocks:a case study from Zhanhua sag,Bohai Bay Basin,China
LIN Xingyue1,2, ZHU Xiaomin1,2, WANG Xiaolin1,2, ZHANG Meizhou1,2
沾化凹陷渤南洼陷沙三下亚段主要成岩作用类型及镜下特征 A—压实作用,颗粒紧密排列,By5-1HF井,4033.44 m,电镜; B—溶蚀作用,颗粒内部溶蚀,Yy1-1VF井,4623.3 m,电镜; C—溶蚀作用,岩屑被溶蚀充填有机质,Yy1-1VF井,4660.7 m,电镜; D—溶蚀作用,岩屑被溶蚀形成铸模孔,Yy1-1VF井,4516.05 m,电镜; E—黏土矿物转化作用,片状伊蒙混层,Yy1-1VF井,4619.20 m,电镜; F—白云石化作用,Yy1-1VF井,4594.95 m,电镜; G—白云石化作用,呈菱面体结构的铁白云石,Yy1-1VF井,4568.39 m,电镜; H—重结晶作用,Yy1-1VF,4594.95 m,电镜; I—重结晶作用,呈马牙状的粗晶方解石,By5-2HF井,4057.34 m,正交偏光