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3-D migration

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Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-1354
... ABSTRACT No preview is available for this paper. seg 1999 Reduction of 3-D acquisition footprin ts in 3-D migration/in version Philippe Jousset , Philippe Thierry and Gilles Lambar e, Ecole des Mines de Paris, France Summary The goal of this paper is to show how we can take...
Proceedings Papers

Paper presented at the 2004 SEG Annual Meeting, October 10–15, 2004
Paper Number: SEG-2004-1093
... ABSTRACT 3-D migration deconvolution (MD) was successfully applied to prestack migration data in both the time and depth domain. Test results show that migration deconvolution yields improvement in migration image quality by increasing spatial resolution and correcting for irregular...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-1111
... time slice migration quality inverse radon transform cartesian coordinate jixiang xu poststack migration petroleum PP 5.4 3-D migration by Radon projection Lu Wu* and JiXiang Xu, University of Petroleum, China Summary This paper describes 3-D migration by Radon projection (3DMRP). (1...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-0435
... splitting finite-difference method finite-difference migration ffd migration reservoir characterization ffd technique upstream oil & gas Migration2:AlgorithmsII 3-D Migration using the Fourier finite-difference method . Ian Cockshott* and Helmut Jakubowicz, Ensign Geophysics Ltd., U.K.. Tuesa.m...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1224
... algorithm filter coefficient migration reservoir characterization migration filter explicit migration Accurate and efficient explicit 3-D migration Carl D.B. Notfors, Digicon Geophysical Limited SMig4.4 Summary This paper describes an approach to the design of accurate filter coefficients for 3D...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1274
... structure spatial frequency response migration mcclellan upstream oil & gas depth migration coefficient laplacian transformation Effective use of the Laplacian transformation for explicit finite-difference 3-D migration James E. Gaiser, Western Geophysical SM4.4 SUMMARY Attractive features...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1278
... spectrum mcclellan filter biondo biondi computational cost operator 17-point filter equation 3-D migration using rotated McClellan filters Biondo Biondi and Gopal Palacharla*, Stanford University SM4.5 SUMMARY The application of McClellan transformations consider- ably reduces the computational...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1282
... data upstream oil & gas operator interpolation seismic data criterion migration Anti-aliased Kirchhoff 3-D migration David E. Lumley*, Jon F. Claerbout, and Dimitri Bevc, Stanford University SM4.6 SUMMARY A significant degradation in the quality of Kirchhoff mi- gration images can arise...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0174
... implementation parallel computing tuesday afternoon migration Computing Techniques 2: Parallel Computing Tuesday Afternoon, September 28th Parallel One-Pass 3-D Migration Karl Schleicher* and John Copeland, Halliburton Geophysical Services, Inc. CT2.1 SUMMARY Exploiting parallel RISC systems offers...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-0978
... splitting method equation ristow modification inline two-way splitting method depth migration 3-D Migration with Four-Way Splitting Peter W. Cary, Pulsonic Geophysical, Ltd., Canada SM5.6 SUMMARY Several methods for performing one-pass 3-D depth migration have been introduced recently...
Proceedings Papers

Paper presented at the 1993 SEG Annual Meeting, September 26–30, 1993
Paper Number: SEG-1993-1366
... velocity function conclusion subsalt imaging imaging interpretation workstation post stack depth migration Subsalt Imaging by Iterative 3-D Migration Walter Kessinger, Houston Advance Research Center WS2.2 Summary A subsalt imaging experiment is presented involving a 3D post stack survey comprised...
Proceedings Papers

Paper presented at the 1992 SEG Annual Meeting, October 25–29, 1992
Paper Number: SEG-1992-0905
... migration expansion equiripple polynomial expansion imaginary part Explicit 3-D Migration Using Equiripple Polynomial Expansion and Laplacian Synthesis Robert Soubaras, CGG, France SM1.5 Summary In F-X explicit depth migration schemes, wavefield downward extrapolation is carried out through spatial...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-0338
...-workshop wednesday morning depth migration operator coefficient computing 3 operator coefficient Computing 3: Migration/Seismic Systems in Parallel Processing Mini-Workshop Wednesday Morning, November 13th Implementation of a Fast, Accurate 3-D Migration on a Massively Parallel Computer P T Highnam...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1160
... lementation migration trace interval algorithm Exact Two-Pass Full Dip (> 90 ) 3-D Migration for Vertically Inhomogeneous Media Naide Pant Wesley 7: Perkins, and Wiliiam S. French, Grant Tensor Geophysical Corp. SM2.8 SUMMARY Conventional - migration is,exactly ",W,iYaYent t'oD*ull'% time migration...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1130
... & gas transformation colorado school grid fourier transform reservoir characterization coefficient 3-D Migration via McClellan Transformations on Hexagonal Grids Justin F? Hedley, formerly Colorado School of Mines, currently Chevron Exploration & Production Co. SM1.7 SUMMARY The computational...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1354
... orientation datum trace midpoint imaging circular arc source-receiver vector 3-D Migration to Zero Offset for a Constant Velocity Gradient Wesley i? Perkins and William S. French: Tensor Geophysical Service Corps SUMMARY DMO processes are designed to move energy to where it would have been recorded...
Proceedings Papers

Paper presented at the 1988 SEG Annual Meeting, October 30–November 3, 1988
Paper Number: SEG-1988-0976
... upstream oil & gas kitchenside reservoir characterization S 12.5 Steep Dip 3-D Migration: Some Issues and Examples I? Kitchenside, GECO Geophysical Co. Ltd., England Summary A steep dip splifcing implementation of one pass 3D migration has been applied to several field datasets and the performance...
Proceedings Papers

Paper presented at the 1987 SEG Annual Meeting, October 11–15, 1987
Paper Number: SEG-1987-0559
... levin sequence shortcoming algorithm continuation migration 7 approximation one-pass migration s 7.5 A Flexible, Accurate Approach to l-Pass 3-D Migration James L. Black and Tin K. L.eong, Geophysical Service Inc. SUMMARY -- 3D migrations, done as two passes of 2D migration, have a well-known...
Proceedings Papers

Paper presented at the 1986 SEG Annual Meeting, November 2–6, 1986
Paper Number: SEG-1986-0424
... of the multiple- Tuesday Afternoon Seismic 7-Migration II FIG. 4. Input shot profile and parabolic model result within a time window of 650 to 1 500 ms. 3-D Migration Using the Causality Principle s7.1 J. T. Fokkema, A. M. Zioikowski, and G. J. M. Baeten, Delji University of Technology, Netherlands Causal seismic...
Proceedings Papers

Paper presented at the 1984 SEG Annual Meeting, December 2–6, 1984
Paper Number: SEG-1984-0804
... and azimuths and with different source-receiver azi- muths will give rise to the same velocities for a given reflection time PSPM thus provides simpler velocity analy- ses for interpretation. discussed in this paper can be efficiently used for a repetitive 3-D migration with different velocity functions...

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