Abstract:5D seismic data usually refer to snail gathers generated from a wide-azimuth,broadband and high-density acquisition after the azimuth-preserved migration.5D seismic data contains azimuth information.Therefore,it can be used to better solve underground anisotropic problems.How to excavate potential geological information in the 5D data is a new challenge for interpreters.This paper proposes a 5D seismic data visualization approach with 5D data regularization in the offset-azimuth domain.On this basis,a 3D offset vector gather (OVG) display in cylindrical coordinates is achieved,the common offset gather,the common azimuthal gather and gather slice can be displayed and extracted easily.Based on the 5D seismic data visualization,an azimuth statistics method is presented to compute anisotropy intensity and draw rose diagrams.This method can describe multiple fractures,but conventional ellipse-fitting method cannot,and the fracture interpretation is improved.
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