Technical Paper: Acoustic waveform inversion vs. elastic data

Society: SEG
Paper Number:
Presentation Date: 2009
 

Full Waveform inversion is a computer intensive process, especially for 3D seismic data. After a tremendous number of synthetic examples, finally real 3D data sets have been undertaken by the industry. As field data is dominated with P waves, one feasible approach is to use the acoustic approximation. The difficulty we face is using an acoustic propagator can make it difficult to accurately predict the amplitudes of real elastic data. In this paper we show how it is possible to make acoustic inversion work on elastic data. The experiment is carried out by using acoustic timedomain inversion on marine synthetic data created by elastic modeling.

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