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通过野外地质剖面观察分析和工区钻井资料研究,结合区域沉积背景,利用地震均方根振幅属性对普光地区须家河组须二、四、六段的沉积微相进行详细刻画。结果表明,须二段主要为水下分流河道和水下分流间湾微相;须四段和须六段主要为分流河道和分流间湾微相。
Through the field observation and analysis of the geological section and drilling data in the work area, the sedimentary microfacies of the Xujiahe Formation in Xujiahe Formation of Puguang Region are described in detail based on the regional sedimentary background and the seismic root mean square amplitude. The results show that the two sections of Xujiahe are mainly submarine distributary channel and subaqueous distributary bay microfacies. The Xujiahe and Xujiu sections are mainly distributary channels and shunt bay microfacies.