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3-D prestack depth migration

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Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-2270
... upstream oil & gas new implementation equation dsr migrated image shot profile migration accuracy hybrid implementation palacharia implementation dispersion equation 3-D prestack depth migration with survey sinking operator in source-geophone and midpoint offset hybrid domain Biaolong Hua1...
Proceedings Papers

Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-1027
... decomposition plane-wave migration zhang prestack depth migration migrated image fourier transform geophy upstream oil & gas formulation incidence angle wave equation shotpoint Delayed-shot 3-D prestack depth migration Yu Zhang, James Sun, Carl Notfors, Sam Gray, Leon Chernis and Jerry Young...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-1268
... Summary Non-Kirchoff integral 3-D prestack depth migration is getting more and more important than ever because of its capability if imaging complex subsurface structures. In this abstract, we carried out a 3-D prestack depth migration of the SEG/EAEG salt model with single-shot records...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-1061
... Summary Based on the wavefield splitting technique, the 3-D one- way wave equations for downgoing wave and upgoing wave are derived. The 3-D prestack depth migration for SEG/EAEG subsalt is implemented with the split-step Fourier(SSF) method. The migration is completed in gun-receiver domain...
Proceedings Papers

Paper presented at the 2000 SEG Annual Meeting, August 6–11, 2000
Paper Number: SEG-2000-0858
...  ‡ š »( »  } Ÿ » Ü Þ Ý ß Ü Ý Ÿ * + , . / 0 c ; l F J Z > W 8 K F ; < m F K ? P > T F J ; F K 8 W ; F K 8 ; K s o J ; b ; D S ? > F _ Z S < ; D ; m F > Z K F > S T K D D S 2 ; < l 8 ; ? > m ; m K D F m F 8 3 ? F 3 8 ; < ; D > T ; K F > S T s SEG 2000 Expanded Abstracts ê fi # # % # fi & ( ) + 0 1...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1969
... ABSTRACT No preview is available for this paper. seg 3-D Prestac k Depth Migration using Headwave Killer T raveltimes Alexander Mihai Pop ovici*, 3DGeo Development Inc. Summary We present imaging results for 3-D prestack Kirchho migration using traveltimes computed using the Fast...
Proceedings Papers

Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-1086
... effect claerbout implementation upstream oil &amp; gas reservoir characterization SP 2.6 3-D Prestack Depth Migration of the SEG/EAGE Salt Model Alexander Mihai Popovici* and Dimitri Bevc, 3DGeo Development Inc. S u m m a r y We present a parallel implementation of 3-D prestack Kirchhoff migration...
Proceedings Papers

Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-1414
... field ibm corperation salt model depth migration velocity model accuracy Seismic Processing 12: Parallel Computing Thursday a.m., NOV. 6 SP 12.1 Lin Zhang*, IBM Corperation SUMMARY A parallel implementation of 3-D prestack depth migration (PSDM) using Kirchhoff integral method is evaluated...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-0455
... interface upstream oil &amp; gas migration reservoir characterization MIG 2.6 3-D prestack depth migration by Kirchhoff operator splitting V, Devaux*, G.H.F. Gardner and T. Rampersad, Houston Advanced Research Center (HARC) Summary We propose a new approximation of full 3-D prestack depth migration...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-1009
... migration computing upstream oil &amp; gas local memory reservoir characterization PP 2.7 Massively parallel computing of 3-D prestack depth migration using phase-screen propagators Jason C. Kao*, Cray Research, Inc.; Lian-Jie Huang and Ru-Shan Wu, Institute of Tectonics, University of California...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-1021
... upstream oil &amp; gas virtual machine implementation main program master process PP 2.10 Fast 3-D prestack depth migration with a parallel PSPI algorithm Peter M. Roberts*, Douglas M. Alde, Leigh S. House, Los Alamos National Laboratory; Joseph H. Higginbotham, Dwight V. Sukup, Texaco Exploration...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1197
... characterization ray common-azimuth data reflector downward continuation gradient 3-D prestack depth migration of common-azimuth data Biondo L. Biondi* and Gopal Palacharla, Stanford University SMig3.4 SUMMARY In a previous paper (Biondi and Palacharla, 1994) we presented a method for efficiently imaging 3...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1156
... tensor seismic data prestack depth prestack depth migrated imaging Seismic Migration 2: Applications Tuesday Afternoon, October 10th Subsalt imaging via the world s largest 3-D prestack depth migration project SMig2.1 Davis W. David J. Weber; Diamond Geophysical Service Corp.; and Kurt D. Sellers...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-0172
... slave processor parallel performance memory system computation An implementation of 3-D prestack depth migration on distributed memory systems CT2.2 Lin Zhang, IBM Parallel and Geoscience Group; and Qing Yu Yang, Liaohe Oil Exploration Bureau SUMMARY Kirchoff 3-D prestack depth migration...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1405
... upstream oil &amp; gas gulf velocity model model update migrated data initial velocity model A 3-D prestack depth migration case history with a velocity model update in the Gulf of Suez SP3.3 Ilkka T. Noponen* and John H. Anderson, PGS Tensor SUMMARY 3-D prestack depth migration requires...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1256
... migrated image michael whitcombe migration kjell berg subsurface algorithm receiver prestack depth migration Imaging subsalt structural targets by 3-D prestack depth migration Graham Hodgkiss*, Andrew Pieprzak, Robert J. Godfrey, Kjell Berg, and Michael Whitcombe, Geco-Prakla Summarv We present...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1994
Paper Number: OTC-7399-MS
... imaging migration velocity prestack migration iteration @@sue! l i 47Q@c OTC 7399 Subsalt Imaging Via Target-Oriented 3-D Prestack Depth Migration C.A. Jacewitz, Amoco Production Research; D.W. Ratcliff, * Amoco Production Co.; and S.H. Gray, Amoco Production Research *Now...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0892
...-stack migration rice university procedure research center reservoir characterization Two-Pass 3-D Prestack Depth Migration Canning* and Gerald H.F. Gardner, Rice University and Houston Advanced Research Center S M 2 . 6 Summary A two-pass approach to 3D pre-stack depth migration is derived...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0442
... 3-D Prestack Depth Migration Davis W. Ratcliff*, Amoco Production Co.; Chester A. Jacewitz and Samuel H. Gray, Amoco Research Center IMl.8 SUMMARY Subsalt imaging and subsalt trap iden t i f i ca t ion have been recognized f o r y e a r s a s i m p o r t a n t b u t d i f f i c u l t e x p l o r a t...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0843
... offshore zaire upstream oil &amp; gas velocity model elliptical condition prestack depth migration velocity measurement Anisotropic 3-D Prestack Depth Migration, Offshore Zaire Greg J. Ball, Unocal SMl.2 SUMMARY An anisotropic 3D prestack depth migration was performed in an attempt to optimally...

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