Abstract:Volcanic rocks in the Dinan area, southern Junggar Basin are characterized by complex geological structures and lithology violent changes, so the seismic imaging is difficult. Based on geological characteristics of the Carboniferous volcanic rocks and seismic data, we achieve velocity model building with the module of GeoEast-Diva. The vertical velocity analysis and tomographic inversion in GeoEast-Diva updates velocity and gradually improves the velocity model accuracy. Finally, Carboniferous rocks are clear characterized with Gauss beam migration, which provides a strong basis for the future well deployment in the area.
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