深层致密砂岩储层成岩演化对含气性的影响

曹江骏, 王继平, 张道锋, 王龙, 李笑天, 李娅, 张园园, 夏辉, 于占海

Effects of diagenetic evolution on gas-bearing properties of deep tight sandstone reservoirs： A case study of reservoirs in the 1st member of the Permian Shanxi Formation in the Qingyang gas field， southwestern Ordos Basin

Jiangjun CAO, Jiping WANG, Daofeng ZHANG, Long WANG, Xiaotian LI, Ya LI, Yuanyuan ZHANG, Hui XIA, Zhanhai YU

图3 鄂尔多斯盆地庆阳气田山1段砂岩组分含量三角图 a.连续沉积型砂岩储层；b. 间隔沉积型砂岩储层Ⅰ.石英砂岩；Ⅱ.长石石英砂岩；Ⅲ.岩屑石英砂岩；Ⅳ.长石砂岩；Ⅴ.岩屑长石砂岩；Ⅵ.长石岩屑砂岩；Ⅶ.岩屑砂岩

Fig.3 Ternary diagrams showing the sandstone compositions of the Shan 1 Member of the Qingyang gas field， Ordos Basin