Method for picking position faces in batched mode based on constraint in three-dimensional seismic interpretation
A 3D seismic and layer plane technology, applied in seismic signal processing, etc., can solve the problems of high time consumption, large labor demand, and low efficiency
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[0058] Due to the diversity of geological types, some geological stratifications can be accurately identified and extracted with tools such as OpendTect. Therefore, on this basis, the identified upper and lower smooth layer planes can be used as constraint surfaces, and there will be multiple complex layer planes between these two constraint surfaces, which may also contain faults. The constraint surface can provide a lot of information, such as the trend of the current horizon, the dip angle information of each sample point, etc. It can be seen on the amplitude profile graph, the trend of the adjacent horizon plane, and the intersection of each same seismic trace The inclination angles of the sample points are similar, so the inclination angle information of the constraining surface can be used as the guiding information of the plane to be identified. These contents can be used to form the constraint conditions to be satisfied for picking the middle horizon, thereby making th...
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