Full waveform inversion method and device
A full waveform inversion and inversion technology, which is applied in the field of oil exploration, can solve the problems of missing low-frequency information, increasing the dependence of high-precision initial models, and losing amplitude information, etc.
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[0064] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0065] Embodiments of the present invention provide a specific implementation of a full waveform inversion method, see figure 1 , the full waveform inversion method specifically includes the following content:
[0066] Step 100: Perform forward modeling on the formation velocity model using an optimal inversion frequency set.
[0067] Step 100 specifically includes: establishing a formation velocity model based on existing data (data such as surveying and dri...
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