A Seismic Data Migration Imaging Method
A technology of migration imaging and seismic data, applied in the field of seismic exploration, can solve the problems of Checkpoint technology, such as large calculation amount, unacceptable storage capacity, and affecting imaging quality
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[0131] figure 2 Is the two-dimensional sag migration velocity model diagram provided by this embodiment, in which, figure 2 (a) is the depth domain model, figure 2 (b) is the vertical time domain model. Set 31 explosion sources on this model, the source wavelet is set to the Lake wavelet, the main frequency is 30 Hz, the initial focal point is at (0m, 0m), the shot interval is 200m, and the intermediate shots are received and observed on both sides. , The single side maximum offset is 3000m, the track spacing is 10m, the time step is 1ms, and the recording time length is 2s.
[0132] image 3 Yes figure 2 The single shot seismic record of the two-dimensional sag model shown, in which, image 3 (a) is a single shot seismic record obtained by conventional methods, image 3 (b) is a single shot seismic record obtained by the method of the present invention. From image 3 It can be seen that the method of the present invention can obtain seismic records with the same accuracy as ...
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