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Multi-term multiple prediction using separated reflections and diffractions combined with curvelet-based subtraction

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Title: Multi-term multiple prediction using separated reflections and diffractions combined with curvelet-based subtraction
Author: Verschuur, Dirk J.; Wang, Deli; Herrmann, Felix J.
Subject Keywords surface related multiple elimination;SRME;2D;3D;curvelet;subtraction;curvelet transform;Gulf of Mexico;multiple;removal
Issue Date: 2007
Publicly Available in cIRcle 2008-03-11
Publisher Society of Exploration Geophysicists
Citation: Verschuur, Dirk Jacob, Wang, Deli, Herrmann, Felix J. 2007. Multi-term multiple prediction using separated reflections and diffractions combined with curvelet-based subtraction. SEG International Exposition and 77th Annual Meeting.
Abstract: The surface-related multiple elimination (SRME) method has proven to be successful on a large number of data cases. Most of the applications are still 2D, as the full 3D implementation is still expensive and under development. However, the earth is a 3D medium, such that 3D effects are difficult to avoid. Most of the 3D effects come from diffractive structures, whereas the specular reflections normally have less of a 3D behavior. By separating the seismic data in a specular reflecting and a diffractive part, multiple prediction can be carried out with these different subsets of the input data, resulting in several categories of predicted multiples. Because each category of predicted multiples can be subtracted from the input data with different adaptation filters, a more flexible SRME procedure is obtained. Based on some initial results from a Gulf of Mexico dataset, the potential of this approach is investigated.
Affiliation: Earth and Ocean Sciences, Dept. of (EOS), Dept of
URI: http://hdl.handle.net/2429/561
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