Abstract The high resolution 3D nonlinear integrated inversion method is based on nonlinear theory. Under layer control, the log data from several wells (or all wells) in the study area and seismic trace data adjacent to the wells are input to a network with multiple inputs and outputs and are integratedly trained to obtain an adaptive weight function of the entire study area. Integrated nonlinear mapping relationships are built and updated by the lateral and vertical geologic variations of the reservoirs. Therefore, the inversion process and its inversion results can be constrained and controlled and a stable seismic inversion section with high resolution with velocity inversion, impedance inversion, and density inversion sections, can be gained. Good geologic effects have been obtained in model computation tests and real data processing, which verified that this method has high precision, good practicality, and can be used for quantitative reservoir analysis.
The work is supported by the Key Project of the National Natural Scientific Foundation (Grant No. 40839909).
Cite this article:
LI Yong,WANG Xu-Ben,LI Zhi-Rong et al. High resolution 3D nonlinear integrated inversion[J]. APPLIED GEOPHYSICS, 2009, 6(2): 159-165.
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