1887

Abstract

Summary

Ocean bottom seismometer data are often acquired using large receiver intervals; for example large cable spacing in cross-line ocean bottom cable data acquisition. In this case, the missing of near-offset traces may result in poor illumination of the shallow subsurface by the primary reflections. However, the surface-related multiple reflections have a better illumination of this region even if the receiver array is sparse. Using a combination of the seismic interferometry and the data-driven FX-interpolation methods, we extrapolated the surface-related multiple wavefield of a dense array of shots and a sparse array of receivers towards a primary wavefield corresponding to dense arrays of both, shots and receivers. We applied our method to a synthetic dataset to reconstruct the near-offset traces and showed that our method provided similar seismic image of shallow structures compared with densely acquired seismic data.

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/content/papers/10.3997/2214-4609.201412982
2015-06-01
2024-04-19
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