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Potential Acquisition Geometries for Pre-Salt Red Sea Seismic ExplorationNormal access

Authors: N. Moldoveanu, F. Snyder, F. Le Diagon, E. Gridnev and M. El-Toukhy
Event name: 81st EAGE Conference and Exhibition 2019
Session: Seismic Acquisition - Geometries and Hardware I
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901134
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 881.45Kb )
Price: € 20

Summary:
The main challenges for pre-salt seismic exploration in the Red Sea are related to signal-to-noise ratio, frequency content, and subsurface illumination. It is consequently difficult to build a velocity model for reliable subsurface imaging. Accuracy of the seismic amplitudes is another issue that limits the performance of inversion and quantitative interpretation. We have conducted a finite difference modeling study to analyze the effect of multiples and conversion of P-to-S energy on signal-to-noise ratio and to evaluate subsurface illumination for wide-azimuth and full-azimuth geometries. The results of this study will be discussed in this abstract.


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