Regularized plane-wave least-squares Kirchhoff migration

Handle URI:
http://hdl.handle.net/10754/593699
Title:
Regularized plane-wave least-squares Kirchhoff migration
Authors:
Wang, Xin; Dai, Wei; Schuster, Gerard T. ( 0000-0001-7532-1587 )
Abstract:
A Kirchhoff least-squares migration (LSM) is developed in the prestack plane-wave domain to increase the quality of migration images. A regularization term is included that accounts for mispositioning of reflectors due to errors in the velocity model. Both synthetic and field results show that: 1) LSM with a reflectivity model common for all the plane-wave gathers provides the best image when the migration velocity model is accurate, but it is more sensitive to the velocity errors, 2) the regularized plane-wave LSM is more robust in the presence of velocity errors, and 3) LSM achieves both computational and IO saving by plane-wave encoding compared to shot-domain LSM for the models tested.
KAUST Department:
Earth Science and Engineering Program; Physical Sciences and Engineering (PSE) Division
Publisher:
Society of Exploration Geophysicists
Journal:
SEG Technical Program Expanded Abstracts 2013
Conference/Event name:
SEG Technical Program Expanded Abstracts 2013
Issue Date:
22-Sep-2013
DOI:
10.1190/segam2013-0278.1
Type:
Conference Paper
Additional Links:
http://library.seg.org/doi/abs/10.1190/segam2013-0278.1
Appears in Collections:
Conference Papers; Physical Sciences and Engineering (PSE) Division; Earth Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorWang, Xinen
dc.contributor.authorDai, Weien
dc.contributor.authorSchuster, Gerard T.en
dc.date.accessioned2016-01-18T08:30:58Zen
dc.date.available2016-01-18T08:30:58Zen
dc.date.issued2013-09-22en
dc.identifier.doi10.1190/segam2013-0278.1en
dc.identifier.urihttp://hdl.handle.net/10754/593699en
dc.description.abstractA Kirchhoff least-squares migration (LSM) is developed in the prestack plane-wave domain to increase the quality of migration images. A regularization term is included that accounts for mispositioning of reflectors due to errors in the velocity model. Both synthetic and field results show that: 1) LSM with a reflectivity model common for all the plane-wave gathers provides the best image when the migration velocity model is accurate, but it is more sensitive to the velocity errors, 2) the regularized plane-wave LSM is more robust in the presence of velocity errors, and 3) LSM achieves both computational and IO saving by plane-wave encoding compared to shot-domain LSM for the models tested.en
dc.publisherSociety of Exploration Geophysicistsen
dc.relation.urlhttp://library.seg.org/doi/abs/10.1190/segam2013-0278.1en
dc.subjectimagingen
dc.subjectinversionen
dc.subjectleast squaresen
dc.subjectmigrationen
dc.subjectKirchhoffen
dc.titleRegularized plane-wave least-squares Kirchhoff migrationen
dc.typeConference Paperen
dc.contributor.departmentEarth Science and Engineering Programen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalSEG Technical Program Expanded Abstracts 2013en
dc.conference.date22-27 September 2013en
dc.conference.nameSEG Technical Program Expanded Abstracts 2013en
dc.conference.locationHouston, Texas, USAen
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionUniversity of Utahen
kaust.authorWang, Xinen
kaust.authorDai, Weien
kaust.authorSchuster, Gerard T.en
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