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Kirchhoff prestack time migration method for PS waves
Kirchhoff prestack time migration method for PS waves
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机译:PS波的基尔霍夫叠前时间偏移方法
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摘要
A method is disclosed for migrating seismic data which includes determining travel time of a compressional wave from a source location to a scatter point, taking into account ray bending. Travel time of a shear wave from the scatter point to a receiver location is determined, taking into account ray bending at the interfaces between subsurface strata. The determined travel times are then used to migrate the seismic data. In one embodiment, the travel times take account of vertically transversely isotropic media with a vertical symmetry axis.
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