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dc.contributor.authorAlkhalifah, Tariq Ali
dc.contributor.authorWu, Zedong
dc.date.accessioned2016-01-10T10:51:51Z
dc.date.available2016-01-10T10:51:51Z
dc.date.issued2015-08-19
dc.identifier.citationTariq Alkhalifah and Zedong Wu (2015) Multi-scattering inversion for low model wavenumbers. SEG Technical Program Expanded Abstracts 2015: pp. 1165-1170. doi: 10.1190/segam2015-5841990.1
dc.identifier.doi10.1190/segam2015-5841990.1
dc.identifier.urihttp://hdl.handle.net/10754/593188
dc.description.abstractA successful full wavenumber inversion (FWI) implementation updates the low wavenumber model components first for proper wavefield propagation description, and slowly adds the high-wavenumber potentially scattering parts of the model. The low-wavenumber components can be extracted from the transmission parts of the recorded data given by direct arrivals or the transmission parts of the single and double-scattering wave-fields developed from a predicted scatter field. We develop a combined inversion of data modeled from the source and those corresponding to single and double scattering to update both the velocity model and the component of the velocity (perturbation) responsible for the single and double scattering. The combined inversion helps us access most of the potential model wavenumber information that may be embedded in the data. A scattering angle filter is used to divide the gradient of the combined inversion so initially the high wavenumber (low scattering angle) components of the gradient is directed to the perturbation model and the low wavenumber (high scattering angle) components to the velocity model. As our background velocity matures, the scattering angle divide is slowly lowered to allow for more of the higher wavenumbers to contribute the velocity model.
dc.language.isoen
dc.publisherSociety of Exploration Geophysicists
dc.relation.urlhttp://library.seg.org/doi/10.1190/segam2015-5841990.1
dc.rightsArchived with thanks to SEG Technical Program Expanded Abstracts 2015
dc.subjectinversion
dc.subjectscattering
dc.titleMulti-scattering inversion for low model wavenumbers
dc.typeArticle
dc.contributor.departmentEarth Science and Engineering Program
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Division
dc.identifier.journalSEG Technical Program Expanded Abstracts 2015
dc.eprint.versionPublisher's Version/PDF
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
kaust.personAlkhalifah, Tariq Ali
kaust.personWu, Zedong
refterms.dateFOA2018-06-13T13:46:15Z
dc.date.published-online2015-08-19
dc.date.published-print2015-08-19


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