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Joint Migration Inversion Versus Fwi-Rtm - A Comparison Study on a 2d Realistic Deep Water ModelNormal access

Authors: Y. Sun, Y.S. Kim, S. Qu, D.J. Verschuur, A. Almomin and R. van Borselen
Event name: 80th EAGE Conference and Exhibition 2018
Session: Poster: FWI C
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801569
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.55Mb )
Price: € 20

Joint migration inversion (JMI) is a recently developed technology that aims at incorporating the seismic velocity model update and acoustic migration, including all multiple scatterings, into one closed-loop process. Full waveform inversion (FWI) is a commonly accepted technology for velocity model building, and reverse-time migration (RTM) is the main method adopted for depth imaging. In this paper, for the first time we are going to use a 2D realistic deep water model to benchmark JMI against a workflow of FWI combined with RTM. With some insights on JMI gained from this comparison study, we believe FWI-JMI should be the road ahead.

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