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- W2332362591 abstract "Seismic data from 3D exploration surveys is increasingly being utilized for seabed morphology and geohazard studies. In the deep water domain, short offset data from 3D seismic is reprocessed through specialized data processing flows with two distinct objectives. The first reprocessing flow aims to provide a high resolution image of the sea floor. The second reprocessing flow delivers a high resolution near surface volume (typically 1 or 2 sec TWT following the water bottom) suitable for the interpretation and detection of geohazards. The methodology has advantages over traditional 2D site surveys which may not provide sufficiently high spatial resolution to delineate a near surface geohazard anomaly, and is available at a relatively low cost as it is a by-product of the exploration data. An important criterion for the success of this approach is that the underlying 3D seismic data contain as broad a frequency bandwidth as possible. With the advent of marine acquisition systems that provide a full de-ghosting solution to yield broadband seismic, this practice is set to become mainstream, as the increased bandwidth and resolution of broadband seismic will yield increasingly more accurate and robust results. New imaging applications that are based on the deghosting principle of wavefield separation can now deliver a near surface 3D seismic volume with unprecedented illumination and spatial resolution." @default.
- W2332362591 created "2016-06-24" @default.
- W2332362591 creator A5039754441 @default.
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- W2332362591 date "2013-01-15" @default.
- W2332362591 modified "2023-09-26" @default.
- W2332362591 title "Utilizing 3D exploration seismic data for seabed mapping and near surface geohazard investigation" @default.
- W2332362591 cites W1516064570 @default.
- W2332362591 doi "https://doi.org/10.1190/segj112013-069" @default.
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