Finite difference modeling to evaluate the improvements associated with a multicomponent towed streamer measurement in Espirito Santo basin offshore Brazil
2014
The paper details a modeling project to understand the uplift associated with a multicomponent towed streamer acquisition and processing workflow in the Espirito Santo basin offshore Brazil. A complex model was built representing many of the common geological features in the Espirito Santo basin including allochthonous salt bodies, post-salt anticlinal generated fractures, volcanic intrusions, and shallow meandering channels. Synthetic seismic data was generated for a number of geometries, both single and multicomponent, including a very densely sampled control measurement. The synthetic measurements were reconstructed/interpolated to a 12.5-m crossline surface receiver sampling interval. The various datasets were compared both preand post-migration. The results suggest that the multicomponent measurement in conjunction with multicomponent reconstruction better samples the complex waveforms.
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