METHOD OF ESTIMATING ELASTIC AND COMPOSITIONAL PARAMETERS FROM SEISMIC AND ECHO-ACOUSTIC DATA

摘要

A method to estimate elastic and compositional parameters by the inversion of multiple seismic and echo-acoustic data full or partial stacks. The method utilizes the information in the amplitudes of the input seismic data sets and differences between the amplitudes in the different input data sets. The method further makes use of the contrast of the reflectivity and/or the elastic and compositional parameters and may make use of a background trend model, relationships between the parameters, control on the lateral rate of change of the parameters and constraints on the parameters or functions of parameters to enhance the results. Additionally, corrections may be made for differential time shifts between the input data sets. The method can be applied to seismic data acquired to analyze the subsurface and to echo-acoustical data acquired for medical and material analysis purposes. The method can also be applied to time lapse seismic and echo-acoustic data to investigate changes in time of the elastic and compositional parameters of the medium under investigation.