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Keywords: inhomogeneous media
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3586537
.... Thus, we can further reduce the number of backpropagation operations needed for imaging and only consider the relevant data required to form a good image. upstream oil & gas depth migration geophysics beam axis propagator inhomogeneous media propagated field exploration geophysicist 10...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998252
... ABSTRACT Generalized full wavefield modeling is a modeling process that utilizes reflection and transmission operators for inhomogeneous media in order to produce the wavefields. We extend this modeling process to the quasi-elastic anisotropic situation, where the elastodynamic generalized...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13867235
...Towards Forward Modeling Beyond Zoeppritz s: Full Wavefield Modeling for Inhomogeneous Media Hussain I. Hammad , and D.J. Verschuur, Delft University of Technology SUMMARY Full wavefield modeling is a method that invokes the trans- fer coefficients in order to model wave propagation. How- ever...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5854765
... oil & gas attenuation china university time-frequency spectra incoherent wave heterogeneity direct wave inhomogeneous media glass bead model 4 coda wave characteristic model 3 experiment seismic wave model 2 The characteristic of the scattering seismic wave in random...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0274
... traveltime moveout equation equation upstream oil & gas inhomogeneous media symmetry direction traveltime error hti media approximation accuracy geophysics eikonal equation expansion coefficient Traveltime approximations for inhomogeneous HTI media Tariq Alkhalifah, King Abdullah...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3097
... Packet in smooth media and strong inhomogeneous media. Through comparison between paraxial Gaussian Packets and the results from finite difference simulations in strongly inhomogeneous media, such as the SEG/EAGE salt model, we see the severe deviation of paraxial Gaussian Packet from the accurate...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-1372
... geophy inhomogeneous media transformation csp pre-stack time migration pre-stack radial line azimuth salt lake city time migration radon projection time slice migration exposition upstream oil & gas radial line radon projection transformation reservoir characterization Radon...
Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-1825
... ABSTRACT No preview is available for this paper. common-reflection-point trajectory resolution chinese academy mingqiu luo trajectory inhomogeneous media hong liu approximation reservoir characterization velocity gradient model equation traveltime constant velocity gradient...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1661
... ABSTRACT No preview is available for this paper. acoustic medium original wavefield velocity replacement technique expression expansion inhomogeneous media right-hand side equation state 0 reservoir characterization configuration pseudo-differential operator wavefield...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1756
... ABSTRACT No preview is available for this paper. corresponding wavefront inhomogeneous media acoustic wave equation upstream oil & gas alkhalifah media reservoir characterization anomaly wavefront vti media vertical -wave velocity velocity model equation lateral...
Proceedings Papers

Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-1501
... ABSTRACT No preview is available for this paper. coefficient inhomogeneous medium wave equation wavelet method numerical result partial differential equation amplitude adaptive multiscale wavelet method resolution inhomogeneous media multiscale wavelet method gradient...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1255
... media upstream oil & gas triangle ray Wavefront construction in 3-D SModl.4 Steven R. Chilcoat*, Chilcoat Consulting Service; and Steve T. Hildebrand, Los Alamos National Laboratory Summary Travel time computation in inhomogeneous media is essential for pre-stack Kirchhoff imaging in areas...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-0348
... ABSTRACT No preview is available for this paper. reflector tsvankin equation upstream oil & gas thomsen ray parameter nmo velocity anisotropy reservoir characterization alkhalifah horizontal reflector geophysics anisotropy processing information inhomogeneous media...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0218
... ABSTRACT No preview is available for this paper. operator intrinsic dynamic property interface inhomogeneous mass density inhomogeneous media equation reciprocity relation material parameter configuration media wavefield plane interface denote representation incident...
Proceedings Papers

Paper presented at the 1992 SEG Annual Meeting, October 25–29, 1992
Paper Number: SEG-1992-1042
... post-stack processing in vertically inhomogeneous media. The decomposition represents 3-D data as a series of radial sections where each radial section contains energy that dips only along its radial direction. There are many ways to do this decomposition. The method we use is a computationally...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1745
... ABSTRACT No preview is available for this paper. operator noise poststack processing deconvolution result inhomogeneous media migration correspond azimuth-dip component azimuth reservoir characterization deconvolution crossline double pr transform upstream oil & gas...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1136
... ABSTRACT No preview is available for this paper. velocity variation approximation equation migration upstream oil & gas migration method trace number boundary-value problem accuracy fourier transformation geophysics migration technique inhomogeneous media migration...
Proceedings Papers

Paper presented at the 1989 SEG Annual Meeting, October 29–November 2, 1989
Paper Number: SEG-1989-1272
... ABSTRACT No preview is available for this paper. implementation inhomogeneous media straight line prestack migration geophysics transformation reservoir characterization nonrecursive approach equation migration algorithm algorithm upstream oil & gas procedure migration...
Proceedings Papers

Paper presented at the 1985 SEG Annual Meeting, October 6–10, 1985
Paper Number: SEG-1985-0410
... ABSTRACT No preview is available for this paper. raypath summation syncline inhomogeneous media synthetic data frequency traveltime homotopy procedure source point information geophysics reflector interface receiver procedure upstream oil & gas colorado school...
Proceedings Papers

Paper presented at the 1985 SEG Annual Meeting, October 6–10, 1985
Paper Number: SEG-1985-0312
... prestack migration wapenaar inhomogeneous media operator extrapolation downward extrapolation 312 Seismic 2 by migration for variable midpoint and zero offset (poststack mi- gration). This artificial operator separation is actually only al- lowed for horizontally stratified media (k!J = 0), as can...

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