High-precision longitudinal and transverse wave impedance inversion method
A technology of shear wave impedance and compression shear wave, applied in the field of high precision compression shear wave impedance inversion, which can solve the problems of low inversion accuracy, low vertical resolution, and poor sparsity of AVO inversion methods.
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[0039] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0040] figure 1 It is a flow chart of a high-precision longitudinal and shear wave impedance inversion method provided by an embodiment of the present invention, as shown in figure 1 shown, including:
[0041] Step S101: Optimizing and deriving the approximate relation of seismic reflection coefficient of longitudinal and shear wave impedance and density to obtain the optimized approximate relation of longitudinal and shear wave impedance and reflection coefficient;
[0042] Step S102: performing odd-even decomposition on the reflection coefficients in the optimized longitudinal and transverse wave impedance reflection coefficient approximate relationshi...
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