古老深层致密砂岩储集层孔隙形成与保存机制:以鄂尔多斯盆地长城系为例*
刘恒宇1,2, 刘明洁1,2, 郝志磊3, 任茵4, 吴恩郁1,2, 许晗1,2, 钟寿康1,2, 谭秀成1,2, 曾伟1,2, 连承波1,2, 戴鸿鸣1,2

Pore formation and preservation mechanisms of ancient deep tight sandstone reservoirs: a case study of the Mesoproterozoic Changcheng System in Ordos Basin
LIU Hengyu1,2, LIU Mingjie1,2, HAO Zhilei3, REN Yin4, WU Enyu1,2, XU Han1,2, ZHONG Shoukang1,2, TAN Xiucheng1,2, ZENG Wei1,2, LIAN Chengbo1,2, DAI Hongming1,2
鄂尔多斯盆地中东部长城系砂岩储集层储集空间类型 A—剩余粒间孔,靖探1井,4171.42 m,单偏光; B—岩屑粒内溶孔,靖探1井,4171.42 m,单偏光; C—岩屑溶蚀形成铸模孔,靖探1井,4170.21 m,单偏光; D—石英粒内溶孔,靖探1井,4179.8 m,单偏光; E—云母晶间孔,靖探1井,4172.05 m,单偏光; F—裂缝,米105井,3691.83 m,单偏光。Rpp为剩余粒间孔; Qp为石英粒内溶孔; Rp为岩屑粒内溶孔; Ip为晶间孔; Mp为铸模孔; Fp为裂缝