The invention discloses a
seismic inversion reservoir prediction method based on decompaction
acoustic wave velocity. First, original
acoustic wave velocity
time difference data are arranged and analyzed,
time frequency analysis processing is performed on the data, low-frequency components and intermediate- and high-frequency components are saved respectively, then a low-frequency
acoustic wave time difference curve is corrected according to a low-frequency long trend fine adjustment method, the corrected low-frequency components and the originally saved high-frequency components are fused to obtain a new acoustic wave
time difference curve after decompaction correction, accordingly a crossplot
analysis method is utilized to perform reservoir response characteristic analysis on the corrected acoustic wave time difference, the reservoir acoustic
wave response characteristic is clear, and is then converted into
acoustic wave velocity as a characteristic curve to carry out reservoir multi-attribute neural network
seismic inversion treatment, thereby obtaining an
acoustic wave velocity invertomer, and finally, a seismic and geological comprehensive assessment means is adopted to carry out explanation and analysis on the
acoustic wave velocity invertomer, thereby obtaining a reservoir qualitative and quantitative prediction result. The
seismic inversion reservoir prediction method based on decompaction acoustic
wave velocity has the advantages of strong
operability and wide application range.