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oa Regularisation for Wide Azimuth Datasets
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, EAGE Workshop on Marine Seismic - Focus on Middle East and North Africa, Feb 2009, cp-119-00009
- ISBN: 978-94-6282-068-5
Abstract
Wide-azimuth datasets allow us to incorporate more dimensions into data regularisation. Using a multi-dimensional Fourier transform that handles irregular data we can either output traces on a regular grid or interpolate additional source and receiver lines. This allows us to fill holes more effectively and regularise in the offset and azimuth directions whilst preserving AVO and AVAz. Data examples show an improvement in continuity and accurate reconstruction of missing data.