Multi-azimuth PSDM processing in the presence of orthorhombic anisotropy -- a case history offshore North West Australia

Sergey Birdus; Jason Sun; Wenting Sun; Yi Xie; Marco Gazzoli; Marco Andreolli; Alex Ursulic

doi:10.1071/ASEG2013ab033

ISSN: 2202-0586
E-ISSN:

oa Multi-azimuth PSDM processing in the presence of orthorhombic anisotropy -- a case history offshore North West Australia
Authors Sergey Birdus^a, Jason Sun^b, Wenting Sun^c, Yi Xie^d, Marco Gazzoli^e, Marco Andreolli^f and Alex Ursulic^g
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^a CGGVeritas, Perth, Australia, [email protected] ^b CGGVeritas, Singapore, [email protected] ^c CGGVeritas, Singapore, [email protected] ^d CGGVeritas, Singapore, [email protected] ^e Eni Exploration & Production, Milan, , Italy, [email protected] ^f Eni Exploration & Production, Milan, , Italy, [email protected] ^g Formerly Eni Australia Limited, Perth, , Australia, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2013, Issue ASEG2013 - 23rd Geophysical Conference, Dec 2013, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2013ab033
- Published online: 01 Dec 2013

Abstract

In this paper we present a case history of multi-azimuth 3D PSDM processing. The datasets show strong HTI as well as VTI anisotropy. We show the processing workflow with emphasis on the construction of an imaging velocity model that correctly represents the orthorhombic anisotropy and short-wavelength velocity variations. The PSDM image is improved over earlier processings.

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2013-12-01

2026-01-15

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References

Tsvankin, I., 1997, Anisotropic parameter and P-wave velocity for orthorhombic media, Geophysics 62, 1292-1309.
Xie, Y., Birdus, S., Sun. J, & Notfors, C., Multi-azimuth seismic data imaging in the presence of orthorhombic anisotropy, in Proceedings of 73 rd EAGE Conference & Exhibition incorporating SPE EUROPEC 2011, Vienna, Austria.

/content/journals/10.1071/ASEG2013ab033

Article Type: Research Article

Keyword(s): Multi-azimuth; Orthorhombic anisotropy; Tomography

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oa Multi-azimuth PSDM processing in the presence of orthorhombic anisotropy -- a case history offshore North West Australia

Abstract

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