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• W2109998889 abstract "Summary It is generally difficult to expand high-frequency effective reflection inform ation of seismic migration because of factors such as earth attenuation, high-frequency noise, etc. Due to this, scholars focus on whether low-frequency effective reflection information can be expanded. Some research has found it useful to directly obtain seismic velocity of propagation by expanding middle and low-frequency effective reflection information of seismic migration. However, it is important to understand the effect of expanding high or low-frequency effective reflection information on seismic inversion, and to determine whether the higher resolution data or more accurate seismic velocity can be obtained. To address these issues, based on 3D thin-bed geologic model and post-stack linear programming inversion method (LP), we study the influence of expanding high or low-frequency effective reflection information on seismic inversion by the inversion of synthetic seismic data with different high frequencies missing and different low frequencies missing. Our study indicates that the recognition capability of thin-bed reservoirs cannot be improved by adding low-frequency information of seismic migration data, although the frequency band of seismic data can be expanded, and the apparent resolution of seismic data and accuracy of obtaining seismic impedance can be improved. We also find that the H recognition H" @default.
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• W2109998889 date "2012-09-01" @default.
• W2109998889 modified "2023-10-17" @default.
• W2109998889 title "Studying the effect of expanding low or high frequency on post-stack seismic inversion" @default.
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• W2109998889 doi "https://doi.org/10.1190/segam2012-0146.1" @default.
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