SI attenuation as part of simultaneous source acquisition: GOM field data exercise

Baardman, Rolf; Kinkead, Jack; Loyd, Ruth; Borselen, R.G. van

doi:10.1190/segam2014-1561.1

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“…Often similar algorithms can be applied to both data deblending and SI noise attenuation. Deblending usually resorts to iterative methods, which minimize a cost function and gradually separate signal and noise step-bystep (Baardman et al, 2014;Peng et al, 2014). However, SI noise is often not as strong as blended signals because the seismic sources that generate SI noise are usually not as close as the blended sources.…”

Section: Introductionmentioning

confidence: 99%

Seismic interference noise attenuation based on sparse inversion

Zhang

Wang

2015

SEG Technical Program Expanded Abstracts 2015

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In marine seismic acquisition, seismic interference (SI) remains a considerable problem when marine seismic data sets are acquired in close vicinity to each other. We present a method for attenuating SI noise using a sparse Tau-P transform. Using a synthetic example, we demonstrate that this method effectively attenuates SI noise while preserving the seismic signals. Further tests on field data confirm the robustness of the method. Compared to the conventional Tau-P based method, our approach leaves less residual noise while still preserving the integrity of the primary signals.

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Section: Introductionmentioning

confidence: 99%