惠州凹陷韩江组—珠江组的储层特征

The study of reservoir characteristics of Hanjiang-ZHujiang Formation of Huizhou Sag

在研究区韩江组—珠江组沉积背景认识的基础上,通过岩心观察、岩石薄片确定了不同类型的储集岩和储集空间,得出本地区的储集空间主要为砂岩孔隙,主要孔隙类型为原生粒间孔,偶见有次生的粒间粒内溶孔。构造储层具有岩性单一、胶结疏松、孔隙类型好、孔隙连通性好、储层物性好的特点。在综合研究分析基础上,将该研究区的油田储层进行了分类。

Based on the understanding of sedimentary background in the area of Hanjiang-Zhujiang formation, the different types of reservoir rock and reservoir space are t determined by the core observation and the thin section of the rock. It is considered that the reservoir space in this region is mainly sandstone pore and the main pore type is primary intergranular pore, and occasionally there is Secondary intergranular pore. The characteristics of the Reservoir structure are single lithology, loose cementation, good porosity types, good pore connectivity and good reservoir physical property. Based on the comprehensive research and analysis, the types of reservoir in the research area aredivided.