摘要:以鄂尔多斯盆地西蜂油田上三叠统延长组为例,利用层序地层学理论对辫状河三角洲前缘沉积体系中以水下分流河道和河口坝两种储油砂体为主的多种成因组合进行了研究,将其划分为水下分流河道组合区、水下分流河道与河口坝混合区和河口坝组合区。详细刻画了辫状河三角洲前缘中主要储油砂体的成因类型,将水下分流河道成因砂体划分为叠加武水下分流河道砂体和完整式水下分流河道砂体两类;将水下分流河道与河口坝复合成因砂体划分为坝上河和河上坝砂体两类;将河口坝成因砂体划分为叠加武河口坝和孤立式河口坝砂体。讨论了各类成因砂体的形成机制。
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鄂尔多斯文化 Earthquake Engineering and Engineering Vibration China Ocean Engineering Water Science and Engineering Journal of Bionic Engineering Chinese Journal of Chemical Engineering Chinese Journal of Mechanical Engineering Journal of Systems Engineering and Electronics Frontiers of Information Technology Electronic Engineering Journal of Systems Science and Systems Engineering Transactions of Nonferrous Metals Society of China