A review of converted wave AVO analysis

Jian Sun and Kris Innanen

ABSTRACT

The AVO analysis of converted wave developed rapidly since multi-component seismic data was introduced to industry. PP-PS simultaneous AVO analysis and inversion may improve estimation of rock properties by combining extracted attributes to yield fractional contrasts in P-wave and S-wave velocities and density, and discriminate between reservoir and non-productive lithology. In this paper, we review many of the milestones in the development of converted wave AVO methodology and classify those approximations of P-SV wave reflection coefficient in the light of the way of derivation and their characteristics. Although this paper covers the critical formulae and the most current technologies in AVO analysis of converted wave, it is not intended to be exhaustive.

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