3D plane-wave least-squares Kirchhoff migration

Handle URI:
http://hdl.handle.net/10754/593372
Title:
3D plane-wave least-squares Kirchhoff migration
Authors:
Wang, Xin; Dai, Wei; Huang, Yunsong; Schuster, Gerard T. ( 0000-0001-7532-1587 )
Abstract:
A three dimensional least-squares Kirchhoff migration (LSM) is developed in the prestack plane-wave domain to increase the quality of migration images and the computational efficiency. Due to the limitation of current 3D marine acquisition geometries, a cylindrical-wave encoding is adopted for the narrow azimuth streamer data. To account for the mispositioning of reflectors due to errors in the velocity model, a regularized LSM is devised so that each plane-wave or cylindrical-wave gather gives rise to an individual migration image, and a regularization term is included to encourage the similarities between the migration images of similar encoding schemes. Both synthetic and field results show that: 1) plane-wave or cylindrical-wave encoding LSM can achieve both computational and IO saving, compared to shot-domain LSM, however, plane-wave LSM is still about 5 times more expensive than plane-wave migration; 2) the regularized LSM is more robust compared to LSM with one reflectivity model common for all the plane-wave or cylindrical-wave gathers.
KAUST Department:
Earth Science and Engineering Program; Physical Sciences and Engineering (PSE) Division
Citation:
Xin Wang, Wei Dai, Yunsong Huang, and Gerard T. Schuster (2014) 3D plane-wave least-squares Kirchhoff migration. SEG Technical Program Expanded Abstracts 2014: pp. 3974-3979. doi: 10.1190/segam2014-1362.1
Publisher:
Society of Exploration Geophysicists
Journal:
SEG Technical Program Expanded Abstracts 2014
Issue Date:
5-Aug-2014
DOI:
10.1190/segam2014-1362.1
Type:
Article
Additional Links:
http://library.seg.org/doi/abs/10.1190/segam2014-1362.1
Appears in Collections:
Articles; 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.authorHuang, Yunsongen
dc.contributor.authorSchuster, Gerard T.en
dc.date.accessioned2016-01-13T09:53:12Zen
dc.date.available2016-01-13T09:53:12Zen
dc.date.issued2014-08-05en
dc.identifier.citationXin Wang, Wei Dai, Yunsong Huang, and Gerard T. Schuster (2014) 3D plane-wave least-squares Kirchhoff migration. SEG Technical Program Expanded Abstracts 2014: pp. 3974-3979. doi: 10.1190/segam2014-1362.1en
dc.identifier.doi10.1190/segam2014-1362.1en
dc.identifier.urihttp://hdl.handle.net/10754/593372en
dc.description.abstractA three dimensional least-squares Kirchhoff migration (LSM) is developed in the prestack plane-wave domain to increase the quality of migration images and the computational efficiency. Due to the limitation of current 3D marine acquisition geometries, a cylindrical-wave encoding is adopted for the narrow azimuth streamer data. To account for the mispositioning of reflectors due to errors in the velocity model, a regularized LSM is devised so that each plane-wave or cylindrical-wave gather gives rise to an individual migration image, and a regularization term is included to encourage the similarities between the migration images of similar encoding schemes. Both synthetic and field results show that: 1) plane-wave or cylindrical-wave encoding LSM can achieve both computational and IO saving, compared to shot-domain LSM, however, plane-wave LSM is still about 5 times more expensive than plane-wave migration; 2) the regularized LSM is more robust compared to LSM with one reflectivity model common for all the plane-wave or cylindrical-wave gathers.en
dc.language.isoenen
dc.publisherSociety of Exploration Geophysicistsen
dc.relation.urlhttp://library.seg.org/doi/abs/10.1190/segam2014-1362.1en
dc.rightsArchived with thanks to SEG Technical Program Expanded Abstracts 2014en
dc.subject3Den
dc.subjectalgorithmen
dc.subjectinversionen
dc.subjectmigrationen
dc.subjectKirchhoffen
dc.title3D plane-wave least-squares Kirchhoff migrationen
dc.typeArticleen
dc.contributor.departmentEarth Science and Engineering Programen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalSEG Technical Program Expanded Abstracts 2014en
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionUniversity of Utahen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorWang, Xinen
kaust.authorDai, Weien
kaust.authorHuang, Yunsongen
kaust.authorSchuster, Gerard T.en
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