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DMO (dip moveout) processing

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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5158-MS
... time To, and the stacked traces are fully migrated. Both DMO and PSI are independent of velocity. The processes do not have to be repeated if the velocity is 2 DIP MOVEOUT AND PRESTACK IMAGING 5158 changed. The selection of velocity is made at the last step when the migrated traces are being stacked...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-1851
... of converted P-SV data from a real OBC survey: SEG Int'l Exposition and Annual Meeting * San Antonio, Texas * September 9-14, 2001 Summary Converted wave (C-wave) dip moveout (DMO) is one of the main procedures for multi-component seismic data processing. In this work, we derive a C-wave DMO...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0248
... approximately equivalent isotropic data set. azimuthal direction velocity structure velocity anisotropy hti media operator reservoir characterization dmo operator imaging dip moveout anisotropy approximation moveout annual international meeting intrinsic anisotropy emo seismic data...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1213
...(Thomsen, 1986). Here we show that that the traditional Conventional dip-moveout (DMO) processing is designed processing sequence of NM0 followed by isotropic DMO is for isotropic media and cannot handle angle-dependent ve- also valid for elliptically anisotropic data. However, Paper I locity. We show that...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1204
... correction constant velocity dmo depth-variable velocity craig ly artiey dmo reflection point mapping dmo mapping Dip-Moveout Processing for Depth-Variable Velocity SM4.5 Craig lY Artiey, Center for Wave Phenomena, Colorado School of Mines SUMMARY Dip moveout processing (DMO) attempts to transform...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1221
... dmo houston alfonso gonzales coherency maximum coherency algorithm transverse isotropy Effect of transverse isotropy on dip-moveout processing Kathy K. Roldan*, AGL,University of Houston; Alfonso Gonzales, Western Geophysical; and Dan A. Ebrom, AGL, University of Houston SM2.5 SUMMARY The...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-0769
... the shot to the receiver in such a way that migration of the replacement traces produces the same result as prestack migration of the original trace. This result can be used as the basis for dip moveout (DMO) processing (Fore1 and Gardner, J988). The replacement procedure can be quantified as a...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1740
... fault-plane reflection dip moveout geophy upstream oil & gas Azimuth moveout vs. dip moveout in inhomogeneous media Biondo Biondi, Stanford University SUMMARY Dip moveout (DMO) is often applied to prestack data to better pre- serve dipping events when performing partial stacks over ranges of...
Proceedings Papers

Paper presented at the 1984 SEG Annual Meeting, December 2–6, 1984
Paper Number: SEG-1984-0796
... dip-indepen- dent rms velocities by performing conventional velocity analysis on PSPM-processed CDP gathers. Together with NM0 the PSPM process might be considered as a dip- corrected normal moveout, which is the reason for naming the process dip moveout (DMO). An intuitive good under- standing of the...
Proceedings Papers

Paper presented at the 1987 SEG Annual Meeting, October 11–15, 1987
Paper Number: SEG-1987-0726
... correction process cmp interval interpolation implementation jakubowicz Dealiasing the Dip Moveout Correction Process Mark S. Egan, Kenneth L. Craft, and David D. Nguyen, Geophysical Service Inc. s 14.4 SUMMARY to simply as "DMO") has added a twist to some of these interpolation issues. A The need for...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1744
... formulation migration moveout zero-offset image input data A comparative overview of dip moveout methods Paul J. Fowler, Western Geophysical, Denver, Colorado Summary Dip moveout (DMO) is useful both for imaging and for velocity analysis. It is often derived and implemented as a process acting on...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1529
... ABSTRACT No preview is available for this paper. operator amplitude correction reflector seimsic processing 4 dmo method weighting scheme depth-variable velocity spherical divergence expl dmo operator dmo process correction factor dip moveout reservoir characterization...
Proceedings Papers

Paper presented at the 1992 SEG Annual Meeting, October 25–29, 1992
Paper Number: SEG-1992-0979
... suncorrected for dip (gray), after DMO cor- rection with a ~(2) DMO process (black), and after DMO correction with a constant-velocity DMO process (dotted). (b) Residual moveout At at offset X = 3000 m as a function of reflector dip for the same shale-limestone data uncorrected (gray), DMO corrected with W(Z...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1181
... oil field research dmo moveout velocity reservoir characterization dmo algorithm Dip Moveout in Vertically Varying Media Dean Witte, Chevron Oil Field Research Summary Conventional constant velocity dip moveout is inadequate for processing reflections from steeply dipping and overtumed...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1191
... ABSTRACT No preview is available for this paper. correction knowledge mode-converted wave dip moveout gardner constant-velocity medium true zero-offset reflection time seismic migration 4 reflection point dmo normal wave equation upstream oil & gas transformation...
Proceedings Papers

Paper presented at the 1991 SEG Annual Meeting, November 10–14, 1991
Paper Number: SEG-1991-1301
... near-surface condition reservoir characterization fdp reflector horizontal reflector Dip Moveout in Cases of Irregular Surfaces S. Rodriguez*, .l f? Diet, and D. Paturet, CGG, France SM7.7 SUMMARY Conventional DMO algorithms assume that recording surfaces can be considered as being horizontal...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1362
... d and incident angle i, the value of this second-order derivative at the peak is Fore], D., and Gardner, G.H.F., 1988, A three-dimensional perspective on two-dimensional dip moveout: Gee- physics, 53, 604-610. Gardner, G.H.F., and Forel, D., 1988, Amplitude preser- vation equations for DMO: 58th Ann...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1736
... to determining the velocity, or deriv e the v elocity estimates from some non-seismic source. What would be required is a rev ersal of the conventional processing sequence: V elocity Analysis (VA), Normal Moveout (NMO) Correction, Dip Moveout (DMO), Stack, (S) and P ost-Stac k Migration (PsSM) to...
Proceedings Papers

Paper presented at the 1989 SEG Annual Meeting, October 29–November 2, 1989
Paper Number: SEG-1989-1133
... salthn model amplitude reflection coefficient dip moveout velocity scan dmo Seismic Processing 2: Dip Moveout/Offset-Dependent Processing Monday Afternoon Dip Moveout as a Point-Scattering Phenomenon Michael G. Gibbins, Western Atlas International SUMMARY Dip Moveout (DMO) is a time contrac- tion...
Proceedings Papers

Paper presented at the 1988 SEG Annual Meeting, October 30–November 3, 1988
Paper Number: SEG-1988-1101
... characterization formulation Seismic 17 - Dip-Moveout (DMO) Processing Comparative Anatomy of Common Offser Dip Moveout Christopher L. Liner and Norman Bleistein, Center for Wave Phenomena, Colorado School of Mines s 17.1 SUMMARY The methods and implications of fast log-stretch Dip Moveout (DMO) formulations...

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