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饶阳凹陷大王庄地区沙三上亚段的层序地层研究表明,该段是一个三级层序,划分为低位体系域、湖侵体系域和高位体系域,低位体系域由2个准层序组组成,湖侵体系域和高位体系域各为1个准层序组。通过研究低位体系域两个准层序组的沉积体系展布特征,认为该时期发育3个三角洲沉积体系。三角洲前缘亚相的水下分流河道和席状砂是有利储集体,并对该区的构造特征和砂体配置关系加以分析,指出了非构造油藏勘探的有利目标。
The sequence stratigraphy of the Upper Es3 in the Dawangzhuang area of Raoyang Sag shows that the segment is a tertiary sequence and is divided into low-level system tract, lacustrine system tract system and high-level system tract. The lower system tract system consists of two quasi- The sequence composition, lacustrine system tract and highstand system tract are each a quasi-sequence group. By studying the distribution characteristics of sedimentary systems in two quasi-sequence groups of lowstand system tract, it is considered that there are three delta sedimentary systems in this stage. The subaqueous distributary channel and sheet sand in delta front subfacies are favorable reservoirs, and analyze the tectonic characteristics of the area and the relationship of sandbody configuration, pointing out the favorable targets for exploration of non-structural reservoirs.