东濮凹陷濮卫洼陷带沙一上亚段沉积相与储层分布特征研究

Study on sedimentary facies and reservoir distribution characteristics of the upper member of Shahejie Formation in Puwei sag,Dongpu Depression

东濮凹陷濮卫洼陷带沙一上亚段,从沙一上3到沙一上1,水体逐渐变浅、退出本区,上2-3组发育以湖相为主的沉积体,上1组向以河流相为主的沉积体过渡;砂岩在每个组均有分布,上2-3主要为分布在文明寨地区、卫城构造北部的受断层控制在断层下降盘形成的远(近)岸浊积砂体,以及濮城构造北部的滩坝砂,上1为主要分布在文明寨地区、卫城构造及濮城构造南部的条带状河道砂体。

From the upper 3 of SHA-1 to the upper 1 of SHA-1 in Puwei depression of Dongpu depression,The water body gradually becomes shallower and exits the area,and the upper 2-3 formation develops the sedimentary body dominated by lake facies,The upper 2-3 sandstones are mainly distributed in Wenmingzhai area and the northern part of Weicheng structure,which are formed by faults in the downtrend of faults,And the beach bar sand in the north of Pucheng structure,the upper 1 is mainly distributed in Wenmingzhai area,Weicheng structure and the south of Pucheng structure.