非常规油气致密储集层微观结构研究进展*
朱如凯1,2, 白斌1,2, 崔景伟2, 吴松涛2, 崔京钢1,2, 王拓2, 牛露2, 李婷婷2

Research advances of microstructure in unconventional tight oil and gas reservoirs
Zhu Rukai1,2, Bai Bin1,2, Cui Jingwei2, Wu Songtao2, Cui Jinggang1,2, Wang Tuo2, Niu Lu2, Li Tingting2
鄂尔多斯盆地延长组致密储集层(砂岩/页岩)孔喉油气4种赋存状态 A—圆球状分布;B—短柱状集合体发育于粒间孔内,相互粘连;C—薄膜状均匀覆盖于颗粒表面,未见粘连;D—粘结于裂缝两壁