【摘要】 本文利用井—震结合方法,单井上进行沉积旋回分析,将识别的层序界面标定到地震剖面上,实现大尺度沉积期次横向对比追踪,进而以其为控制,利用OpendTect软件中的层序地层解释系统,通过倾角导向中值滤波处理,数据驱动方式追踪及Wheeler域自动变换技术,实现砂砾岩扇体内小层的自动追踪与转换。通过正反旋回分析,将东营北带沙三下和沙四上段砂砾岩扇体精细划分为14个期次,该方法对用于井—震结合等其他方法难以进行地层精细划分和对比的砂砾岩发育区的沉积期次划分具有较好的应用前景。更多还原

【Abstract】 Based on well-seismic combination and analysis of sedimentary cycle on a single well, the identified sequence interfaces are calibrated on the seismic section for the landscape correlation and trace of large-scale sedimentary stage. Then the sequence stratigraphic interpretation system of OpendTect software is applied by using the dip guiding median filtering processing, data driven mode tracing and Wheeler domain automatism transformation to finish automatism tracing and transformation of small layers in glutenite fan body. According to the analysis of positive and negative cycles, the glutenite fan body in S3 and S4 Members of the northern belt of Dongying is divided into 14 stages. The method is being recommended to be applied more widely in fine division of stratum and sedimentary stages than other well-seismic combination methods.更多还原