3D pre-stack full waveform inversion

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science

Reexamination Certificate

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Reexamination Certificate

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11556037

ABSTRACT:
A method, comprising: generating a macro P-wave velocity model, including resolution of residual moveout errors, using reflection tomography from a seismic data set; generating a diffraction response from the macro P-wave velocity model for a given common image gather location therein assuming a locally laterally invariant model; converting the generated diffraction response for the given common image gather location to a migrated reflection response to yield a modeled data set; comparing the modeled data set to the given common image point from the seismic data set; updating the macro P-wave velocity model based on the result of the comparison; and iterating the diffraction response generation, the diffraction response conversion, comparison, and update until the modeled data set converges to the common image gathers. This method is an extension of the 1D waveform inversion where the correct source/receiver positions are determined in a locally laterally invariant medium by backprojecting raypaths from each image point using the local dip at that image point.

REFERENCES:
patent: 6826484 (2004-11-01), Martinez et al.
Berg, “Convergent genetic algorithm for inversion,”61stAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 948-950, 1991.
Berg, “Simple convergent genetic algorithm for inversion of multiparameter data,”60thAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1126-1128, 1990.
Frazer and Basu, “Freeze-bath inversion,”60thAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1123-1125, 1990.
Hampson and Russell, “AVO inversion: theory and practice,”60thAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1456-1458, 1990.
Irigber and Rosen, “Genetic algorithms and very fast simulated reannealing: a comparison,”Mathematical and Computer Modelling, 16(11):87-100, 1992.
Kirkpatrick, Gelatt, Jr. and Vecchi, “Optimization by simulated annealing,”Science, 220(4598):671-680, 1983.
Mallick, “Inversion of amplitude-versus-offset data using a genetic algorithm”62ndAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 844-847, 1992
Mallick, “Model-based inversion of amplitude-variations-with-off set data using a genetic algorithm,”Geophysics, 60(4):939-954, 1995.
Mallick, “Practical aspects of reflectivity modeling,”Geophysics, 52(10):1355-1364, 1987.
Mallick and Frazer, “Rapid computation of multioffset vertical seismic profile synthetic seismograms for layered media,”Geophysics, 53(4):479-491, 1988.
Mallick, “Some practical aspects of prestack waveform inversion using a genetic algorithm: an example from the east Texas Woodbine gas sand,”Geophysics, 64(2):326-336, 1999.
Mallick, “Waveform inversion of amplitude-versus-offset data using a genetic algorithm,”63rdAnn. Intern. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 750-753, 1993.
Rothman, “Automatic estimation of large residual statics corrections,”Geophysics, 51(2):332-346, 1986.
Rothman, “Nonlinear inversion, statistical mechanics, and residual statics estimation,”Geophysics, 50(12):2784-2796, 1985.
Sen and Stoffa, “Genetic inversion of AVO,”The Leading Edge, 11:27-29, 1992.
Sen and Stoffa, “Nonlinear one-dimensional seismic waveform inversion using simulated annealing,”Geophysics, 56(10):1624-1638, 1991.
Sherrill et al., “Improving AVO and reflection tomography through use of local dip and azimuth,”71stAnn. Intern. Mtg., Soc. Expl. Geophys., 273-276, 2001.

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