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Application of efficient ray tracing algorithms within schemes for interval velocity estimation in two and three dimensionsNormal access

Authors: E. Iversen and H. Gjøystdal
Event name: EAGE/SEG Research Workshop 1990
Session: Estimation of Velocities (P&S) from Surface Seismic; Post-Pick Inversion; Methods and Limitations
Publication date: 15 July 1990
DOI: 10.3997/2214-4609.201411869
Organisations: SEG, EAGE
Language: English
Info: Extended abstract, PDF ( 445.31Kb )
Price: € 20

In this presentation we consider methods for estimation of seismic interval velocities using ray tracing as a key element. The methods under consideration shall be based on travel time observations, and they shall have the objective to produce a 2D or 3D subsurface 'macro model', that means, a subsurface representation for which the fine details have been omitted, whereas the main structural variations have been retained. Without doubt, such macro models show an interesting potential, f.ex., in ray-theoretical time-to-depth conversion and in model-dependent processing schemes (e.g., depth migration).

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