Tutorial for wave-equation inversion of skeletonized data | Zendy

Kai Lu | Zendy; Jing Li | Zendy; Bowen Guo | Zendy; Lei Fu | Zendy; Gerard T. Schuster | Zendy

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Tutorial for wave-equation inversion of skeletonized data

Author(s) -

Kai Lu,

Jing Li,

Bowen Guo,

Lei Fu,

Gerard T. Schuster

Publication year - 2017

Publication title -

interpretation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.362

H-Index - 25

eISSN - 2324-8866

pISSN - 2324-8858

DOI - 10.1190/int-2016-0241.1

Subject(s) - inversion (geology) , iterative method , computer science , wave equation , algorithm , waveform , mathematical optimization , mathematics , mathematical analysis , geology , seismology , telecommunications , radar , tectonics

Full waveform inversion of seismic data is often plagued by cycle skipping problems so that an iterative optimization method often gets stuck in a local minimum. To avoid this problem we simplify the objective function so that the iterative solution can quickly converge to a solution in the vicinity of the global minimum. The objective function is simplified by only using parsimonious and important portions of the data, which are defined as skeletonized data. We now present a mostly non-mathematical tutorial that explains the theory of skeletonized inversion. We also show its effectiveness with examples

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