Star Geophysics Inc.

Star, United States

Star Geophysics Inc.

Star, United States
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Li F.,University of Oklahoma | Zhang B.,University of Oklahoma | Marfurt K.J.,University of Oklahoma | Hall I.,Star Geophysics Inc.
SEG Technical Program Expanded Abstracts | Year: 2014

Random noise in seismic data hampers seismic interpretation, confounds automatic pickers, overprints seismic attributes, and masks subtle geologic features of interest. For this reason much of seismic processing is devoted to increasing the the signal to noise ratio. In this paper, we introduce a novel method named the normalized convolution, or NC filter, which is based on a confidence estimation of the signal, to improve our signal to noise raito. The NC filter attenuates noise and enhances the continuity of seismic events. We demonstrate the effectiveness of the filter on simple synthetic, a real data set contaminated with real band-limited seismic noise, and a real data set contaminated with high amplitude artificial noise. These examples suggest that the proposed method is ready for application to seismic data. © 2014 SEG.

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