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Abstract

Summary

This paper discusses a 3D receiver de-ghosting algorithm for variable-depth streamer data acquired in the presence of a rough sea-surface and a variable water-velocity profile. The algorithm is based on phase-shift wavefield extrapolators between non-planar interfaces, defined for a shot-dependent streamer geometry and sea-surface height, and requires the solution of a linear system of equations. Analysis of the posterior covariance matrix from this inversion problem provides insight on the effect of cable shape and sea surface on de-ghosting results. Application of the proposed de-ghosting algorithm to data from the Mediterranean Sea provides satisfactory results.

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/content/papers/10.3997/2214-4609.201601212
2016-05-30
2024-04-26
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References

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