SEG Technical Program Expanded Abstracts 2003 2003
DOI: 10.1190/1.1817713
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Modeling and removal of back‐scattered noise from rough topography in land seismic data

Abstract: The seismic records of Colombian foothills are usually noisy and contaminated by coherent and high amplitude back-scattered associated with roughness topography, which obscure reflectors from deeper layers. To remove this back-scattered noise, filters have been applied getting satisfactory results for smooth topography and short offsets, but in general conventional methods yield unsatisfactory results. We applied an approach based in prediction and subtraction of the unwanted noise to attenuate it.The extracte… Show more

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