Monofrequency waveform acquisition and inversion: A new paradigm

Handle URI:
http://hdl.handle.net/10754/593370
Title:
Monofrequency waveform acquisition and inversion: A new paradigm
Authors:
Alkhalifah, Tariq Ali ( 0000-0002-9363-9799 )
Abstract:
In seismic inversion, we tend to use the geometrical behavior of the wavefield (the kinematics), extracted from the data, to constrain the long wavelength model components and use the recorded reections to invert for the short wavelength features in a process referred to as full waveform inversion (FWI). For such a recipe, single frequency (the right frequency) data are capable of providing the ingredients for both model components. A frequency that provides model wavelengths (through the transmission components) low enough to update the background and high enough (reections) to map the scattering may render the other frequencies almost obsolete, especially large offset data are available to provide the transition from background to scattering components. Thus, I outline a scenario in which we acquire dedicated mono frequency data, allowing for more time to inject more of that single frequency energy at a reduced cost. The cost savings can be utilized to acquire larger offsets, which is an important for constraining the background model. Combing this single frequency data with a hierarchical scattering angle filter strategy in FWI, and potentially reection FWI, provides an opportunity to invert for complex models starting even with poor initial velocity models. The objective of this new paradigm is a high resolution model of the Earth to replace our focus on the image, which requires a band of frequencies.
KAUST Department:
Earth Science and Engineering Program
Publisher:
Society of Exploration Geophysicists
Journal:
SEG Technical Program Expanded Abstracts 2014
Conference/Event name:
SEG Technical Program Expanded Abstracts 2014
Issue Date:
5-Aug-2014
DOI:
10.1190/segam2014-0836.1
Type:
Conference Paper
Additional Links:
http://library.seg.org/doi/abs/10.1190/segam2014-0836.1
Appears in Collections:
Conference Papers; Earth Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorAlkhalifah, Tariq Alien
dc.date.accessioned2016-01-13T09:51:29Zen
dc.date.available2016-01-13T09:51:29Zen
dc.date.issued2014-08-05en
dc.identifier.doi10.1190/segam2014-0836.1en
dc.identifier.urihttp://hdl.handle.net/10754/593370en
dc.description.abstractIn seismic inversion, we tend to use the geometrical behavior of the wavefield (the kinematics), extracted from the data, to constrain the long wavelength model components and use the recorded reections to invert for the short wavelength features in a process referred to as full waveform inversion (FWI). For such a recipe, single frequency (the right frequency) data are capable of providing the ingredients for both model components. A frequency that provides model wavelengths (through the transmission components) low enough to update the background and high enough (reections) to map the scattering may render the other frequencies almost obsolete, especially large offset data are available to provide the transition from background to scattering components. Thus, I outline a scenario in which we acquire dedicated mono frequency data, allowing for more time to inject more of that single frequency energy at a reduced cost. The cost savings can be utilized to acquire larger offsets, which is an important for constraining the background model. Combing this single frequency data with a hierarchical scattering angle filter strategy in FWI, and potentially reection FWI, provides an opportunity to invert for complex models starting even with poor initial velocity models. The objective of this new paradigm is a high resolution model of the Earth to replace our focus on the image, which requires a band of frequencies.en
dc.publisherSociety of Exploration Geophysicistsen
dc.relation.urlhttp://library.seg.org/doi/abs/10.1190/segam2014-0836.1en
dc.subjectacquisitionen
dc.subjectfrequency-domainen
dc.subjectfull-waveform inversionen
dc.titleMonofrequency waveform acquisition and inversion: A new paradigmen
dc.typeConference Paperen
dc.contributor.departmentEarth Science and Engineering Programen
dc.identifier.journalSEG Technical Program Expanded Abstracts 2014en
dc.conference.nameSEG Technical Program Expanded Abstracts 2014en
dc.eprint.versionPublisher's Version/PDFen
kaust.authorAlkhalifah, Tariq Alien
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