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1-12 of 12
Keywords: illumination study
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Proceedings Papers
Malcolm Lansley, Dave Ridyard, Jean Paul Gruffeille, Ayman Rehan, Salvador Rodriguez, Iulian Musat, Nick Tanushev
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3416226
..., 2020 Session Start Time: 1:50 PM Presentation Time: 2:40 PM Location: 362A Presentation Type: Oral complex geology trace density exploration geophysicist 10 gulf imaging neptune energy seg international exposition zeit horizon reservoir characterization illumination study receiver...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216793
... ABSTRACT In complex structures such as subsalt area, the survey design is challenging and critical due to the complicated wave field behavior involved in such structures. We present a wave equation modeling illumination study with the objective to achieve optimum survey design for complex...
Proceedings Papers
Fernanda Gobatto, Alexandre Maul, Leonardo Teixeira, Gerardo González, Lívia Falcão, María González, Joao Teixeira Boechat
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13685489
... of Campos and Santos Basins, over the Brazilian offshore area. In this paper, we will explore a new proposal for building a more realistic and geologically constrained velocity model and show some applicabilities for several geosciences disciplines as illumination studies, seismic processing, inversion...
Proceedings Papers
Theodore Stieglitz, Morton Scott, Donald Walker, Chao Shi, Wisley Martins, Kuntz Brad, Pujiyono Pujiyono
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13847556
... illumination study Cao , J. , and J. Brewer , 2013 , Critical reflection illumination analysis : Interpretation , 1 , T57 – T61 , 10.1190/INT-2013-0031.1 . Fagin , S. , 1991 , Seismic Modeling of Geologic Structures : SEG, Geophysical Development Series 2...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13869411
... through a 3D ray-tracing and finite difference modeling illumination study. The integration of a top of salt (TOS) anomaly layer into the Kepler salt velocity model significantly improved the subsalt images and reduced base of salt depth uncertainties. A Shot Patch-based 3D Angle Gather Illumination...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0849
... A 3D illumination study to investigate fault shadow effects over the Hoop Fault Complex Anthony Hardwick* and Litty Rajesh, TGS Summary Fault shadows represent zones of unreliable seismic imaging in the footwall of major extensional faults. They occur due to rapid lateral velocity variations...
Proceedings Papers
Gustavo Catao Alves, Andre Bulcao, Djalma Manoel Soares Filho, Marcos Antonio Galloti Guimaraes, Carlos Eduardo Theodoro, Luiz Alberto Santos
Publisher: Society of Exploration Geophysicists
Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0163
... Summary This paper presents a target oriented methodology to perform illumination studies considering several different acquisition geometries. The Green’s function, used to evaluate the illumination amplitude for specific subsurface points, was estimated using the complete two-way wave...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-0993
... volume encompassing the field and (II) obtain an improved understanding of subsalt illumination issues. Image results from 2-D prestack, 3-D prestack with restricted aperture, 3-D prestack with full aperture and 3-D poststack depth migration were computed and compared. An illumination study, including...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-0060
... of the ''real world''. Furthermore, a numerically modeled, full-size, wide-band, 3-D, elastic data set of tens of millions of traces is simply not yet affordable. Physically modeled data has been acquired for subsalt illumination studies. In particular the data due to sources ''everywhere'' at the surface...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-0621
... Summary Top salt geometry exerts a strong effect on the illumination of both the base salt and on underlying subsalt reflectors. A 3D seismic illumination study can be useful for the interpretation of these events. It may also distinguish subsalt amplitude anomalies due to rock property...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1160
... ABSTRACT No preview is available for this paper. hpsdm phillips petroleum co acquisition geometry estimation wyatt valasek velocity field illumination study cig kay dautenhahn wyatt seismic data reservoir characterization upstream oil & gas interpretation imaging...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-1801
... ABSTRACT No preview is available for this paper. base salt illumination velocity model iteration seismic theory 13 illumination study velocity estimation residual curvature wyatt imaging horizon traveltime upstream oil & gas velocity field procedure grid psdm depth...