2003
DOI: 10.1190/1.1581072
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Practical aspects and applications of 2D stereotomography

Abstract: Stereotomography is a new velocity estimation method. This tomographic approach aims at retrieving subsurface velocities from prestack seismic data. In addition to traveltimes, the slope of locally coherent events are picked simultaneously in common offset, common source, common receiver, and common midpoint gathers. As the picking is realized on locally coherent events, they do not need to be interpreted in terms of reflection on given interfaces, but may represent diffractions or reflections from anywhere in… Show more

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Cited by 124 publications
(124 citation statements)
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“…We have applied the above technique of velocity model refinement to the Marmousoft data (Billette et al, 2003). These data were constructed by Born modeling in a smoothed version of the Marmousi model (Versteeg and Grau, 1990).…”
Section: Numerical Examplesmentioning
confidence: 99%
See 1 more Smart Citation
“…We have applied the above technique of velocity model refinement to the Marmousoft data (Billette et al, 2003). These data were constructed by Born modeling in a smoothed version of the Marmousi model (Versteeg and Grau, 1990).…”
Section: Numerical Examplesmentioning
confidence: 99%
“…Even when the time migrated image is not convenient for structural interpretation, the so-constructed time-migration velocity model can still be used for the construction of an initial depth velocity model by means of time-to-depth conversion. This initial depth velocity model can then later be refined using more sophisticated depth migration-velocity analysis techniques like tomographic methods (Billette et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…It exploits the arrival time of locally coherent events within an automatic procedure to select a seismogram collection [27]. Some applications to synthetic and real data sets are shown in [7,8]. Finally, …”
Section: Existing Methodsmentioning
confidence: 99%
“…Although several numerical implementations ͑e.g., Chauris et al, 2002;Billette et al, 2003;Lambaré et al, 2004͒ of the stereotomographic velocity inversion are illustrated in practical applications, automatic picking of locally coherent events in prestack time domain remains a critical point for stereotomography. Lavaud et al ͑2004͒ proposed picking locally coherent events in poststack rather than in prestack domain.…”
Section: Introductionmentioning
confidence: 99%