多尺度河流相致密砂岩储集层表征及控制因素分析:以苏里格气田下石盒子组8段为例*
毕明威1, 孙娇鹏2, 陈世悦3, 周兆华4, 张满郎4, 钱爱华4

Multiscale description and controlling factors analyses of fluvial tight reservoir: a case study on the 8th Member of Lower Shihezi Formation in Sulige gas field, Ordos Basin
BI Mingwei1, SUN Jiaopeng2, CHEN Shiyue3, ZHOU Zhaohua4, ZHANG Manlang4, QIAN Aihua4
山西保德扒楼沟下石盒子组下部辫状河剖面特征 A—辫状河河床沉积模式; B—山西保德扒楼沟剖面下石盒子组辫状河河床亚相沉积; C—多期次心滩砂体,呈多层多边式冲刷叠置; D—心滩砂体顶部落淤层残余; E—心滩与河道充填砂体之间明显的“界限”;F—心滩砂体块状粗粒岩屑砂岩; G—心滩顶部中至细粒岩屑砂岩, 河道充填沉积; H—心滩侧缘中至细粒岩屑砂岩,河道充填沉积。①为心滩砂体,②为河道充填砂体,③为落淤层