Mitigation of defocusing by statics and near-surface velocity errors by interferometric least-squares migration

Handle URI:
http://hdl.handle.net/10754/593148
Title:
Mitigation of defocusing by statics and near-surface velocity errors by interferometric least-squares migration
Authors:
Sinha, Mrinal; Schuster, Gerard T. ( 0000-0001-7532-1587 )
Abstract:
We propose an interferometric least-squares migration method that can significantly reduce migration artifacts due to statics and errors in the near-surface velocity model. We first choose a reference reflector whose topography is well known from the, e.g., well logs. Reflections from this reference layer are correlated with the traces associated with reflections from deeper interfaces to get crosscorrelograms. These crosscorrelograms are then migrated using interferometric least-squares migration (ILSM). In this way statics and velocity errors at the near surface are largely eliminated for the examples in our paper.
KAUST Department:
Earth Science and Engineering Program; Physical Sciences and Engineering (PSE) Division
Citation:
Mrinal Sinha* and Gerard T. Schuster (2015) Mitigation of defocusing by statics and near-surface velocity errors by interferometric least-squares migration. SEG Technical Program Expanded Abstracts 2015: pp. 4254-4258. doi: 10.1190/segam2015-5858700.1
Publisher:
Society of Exploration Geophysicists
Journal:
SEG Technical Program Expanded Abstracts 2015
Issue Date:
19-Aug-2015
DOI:
10.1190/segam2015-5858700.1
Type:
Article
Additional Links:
http://library.seg.org/doi/10.1190/segam2015-5858700.1
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; Earth Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorSinha, Mrinalen
dc.contributor.authorSchuster, Gerard T.en
dc.date.accessioned2016-01-10T10:41:03Zen
dc.date.available2016-01-10T10:41:03Zen
dc.date.issued2015-08-19en
dc.identifier.citationMrinal Sinha* and Gerard T. Schuster (2015) Mitigation of defocusing by statics and near-surface velocity errors by interferometric least-squares migration. SEG Technical Program Expanded Abstracts 2015: pp. 4254-4258. doi: 10.1190/segam2015-5858700.1en
dc.identifier.doi10.1190/segam2015-5858700.1en
dc.identifier.urihttp://hdl.handle.net/10754/593148en
dc.description.abstractWe propose an interferometric least-squares migration method that can significantly reduce migration artifacts due to statics and errors in the near-surface velocity model. We first choose a reference reflector whose topography is well known from the, e.g., well logs. Reflections from this reference layer are correlated with the traces associated with reflections from deeper interfaces to get crosscorrelograms. These crosscorrelograms are then migrated using interferometric least-squares migration (ILSM). In this way statics and velocity errors at the near surface are largely eliminated for the examples in our paper.en
dc.language.isoenen
dc.publisherSociety of Exploration Geophysicistsen
dc.relation.urlhttp://library.seg.org/doi/10.1190/segam2015-5858700.1en
dc.rightsArchived with thanks to SEG Technical Program Expanded Abstracts 2015en
dc.subjectacousticen
dc.subjectstaticsen
dc.subject2Den
dc.subjectmigrationen
dc.subjectleast squaresen
dc.titleMitigation of defocusing by statics and near-surface velocity errors by interferometric least-squares 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 2015en
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorSinha, Mrinalen
kaust.authorSchuster, Gerard T.en
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