鄂尔多斯盆地乌审旗古隆起对岩溶气藏的控制机理
何发岐, 张威, 丁晓琪, 祁壮壮, 李春堂, 孙涵静

Controlling mechanism of Wushenqi paleo-uplift on paleo-karst gas reservoirs in Ordos Basin
Faqi HE, Wei ZHANG, Xiaoqi DING, Zhuangzhuang QI, Chuntang LI, Hanjing SUN
图9 鄂尔多斯盆地乌审旗古隆起海侵期白云岩储层形成机理及分布模式(以马五5亚段为例)
a.白云岩储层形成模式;b.野外露头中向上变浅的准层序旋回,粉晶白云岩发育在旋回上部,位置如a图中的红色段,照片来自陕西天生桥剖面① 过白云石化段,微晶白云岩;②适当白云石化段,粉晶白云岩;③部分白云石化段,灰质白云岩段;④未白云石化的灰岩段
Fig.9 Genetic mechanism and distribution pattern of dolomite reservoirs developed during transgressive period in the Wushenqi paleo-uplift, Ordos Basin (Take M55 as an example)