中国断陷和坳陷湖盆高可容纳空间层序细粒重力流沉积及其页岩油意义*
冯有良1, 邹才能1, 杨智1, 蒋文琦2, 张天舒1, 张洪1, 刘畅1, 王小妮1

Fine-grained gravity flow deposits and their significance for shale oil within high-accommodation sequences in faulted and down-warped lacustrine basins of China
FENG Youliang1, ZOU Caineng1, YANG Zhi1, JIANG Wenqi2, ZHANG Tianshu1, ZHANG Hong1, LIU Chang1, WANG Xiaoni1
坳陷湖盆高可容纳空间层序细粒沉积岩及 “甜点段”类型 A—水平显微纹层页岩,2486.2 m,青一段,Gy3井; B—显纹纹层凝灰质页岩,2854.2 m,长7段3亚段,Y285井; C—显微粉砂屑纹层泥岩,2492.05 m,青一段,Gy3井; D—粉砂屑纹层泥岩,2407.8 m,青一段,Gy3井; E—包卷层理泥质粉砂岩,1827.9 m,青一段,L242-1井; F—粉砂团和泥团混杂和顺层分布泥质粉砂岩,1963.7 m,青一段,Zy1h井; G—粉砂屑(团)、泥屑纹层泥质粉砂岩,2515.5 m,青一段,Gy3井; I1: 波状层理粉砂岩,1192.91 m,长7段3亚段,D214井; I2: 波状纹层含泥质粉砂岩,2509.3 m,青一段,Gy3井; H—递变纹层泥质粉砂岩,1660.0 m,长7段3亚段,N228井; J—波状交错层理细粉砂岩,1177.39 m,长7段3亚段,D214井; K—透镜状纹层粉砂岩,1959.5 m,青一段,ZY1井; M—递变层理粉砂岩,1429.14 m,长7段3亚段,Z40井; N—含泥屑粉砂岩,1821.62 m,长7段3亚段,Zhuang233井; R—交互层理泥质粉砂岩,2266.8 m,长7段3亚段,Zhu80井