Pre-stack seismic multi-parameter inversion method of shale reservoirs
A pre-stack seismic, shale reservoir technology, applied in the field of seismic exploration
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[0131] In order to facilitate technical personnel's understanding of the present technology, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, which cannot be used to limit the protection scope of the present invention.
[0132] This embodiment takes a well logging model test as an example for illustration:
[0133] figure 1 It is an implementation process of the pre-stack multi-parameter inversion method suitable for shale and other models with strong horizontal bedding structure. The parameter values of the test model are as follows: figure 2 Shown; specifically include the following steps:
[0134] 1. Recursive matrix forward modeling for elastic isotropic media
[0135] The initial model parameter vector m can be obtained from well logging data, as follows:
[0136] m=[α 1 … α n beta 1 … β n ρ 1 … ρ n ] T (1)
[0137] Among them, the model has a total of n layer...
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