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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access June 2, 2015

Application of Post-stack migration to seismicdata associated with fault structures

  • Anitha Koduru and P. R Mohanty
From the journal Open Geosciences


In hydrocarbon exploration, wave-equation migrationtechniques play an important role in imaging thecomplex geological structures. Usually, post-stack migrationscheme is applied to the seismic data to improve theresolution with restoration of dipping reflectors to theirtrue position. As a result, the migrated time sections areinterpretable in terms of subsurface features. As a numericalstudy, three fault models are considered for the presentstudy. First of all, synthetic time sections are generatedcorresponding to three models. Later, post stack migrationschemes such as Gazdag(PS), Phase-shift with turningrays and reverse time migration (T-K) domain techniquesare applied in order to judge the imaging accuracy, preservationof true amplitude and computational speed. All thethree post stack time migrated sections delineate the structurewith their throw.However, the reverse time migrations(T-K) clearly delineate the reflectors in restoring the throwproperly with minimum computational time. In order totest the validity the numerical results, similar exercise hasbeen undertaken using field seismic data of KG basin, India.The results indicates that the field migrated sectionsare imaged. But, the reverse time migration (T-K ) providesthe best subsurface image with restoration of reflectorsand collapse of diffracted events with least computationaltime. Gazdag (PS) and Phase-Shift with turning migratedsection shows the reduction of amplitude whereas, the reversetime migration preserved the amplitude fully.


[1] Hagedoorn J. G., A process of seismic reflection interpretation,Geophysical prospecting, 1954, 2, 85-127.10.1111/j.1365-2478.1954.tb01281.xSearch in Google Scholar

[2] Rockwell D. V., Migration stack aids interpretation, oil and gasjournal, 1971, April 19, 202-218.Search in Google Scholar

[3] Claerbout J. F., coarse grid calculation of waves in inhomogeneousmediawith application to delineation of complication seismicstructures, Geophysics, 1970, 35, 407-418.10.1190/1.1440103Search in Google Scholar

[4] Stolt R. H., Migration by Fourier transform: Geophysics, 1978, 43,23-48.10.1190/1.1440826Search in Google Scholar

[5] Gazdag J., Wave equation migration with phase-shift method:Geophysics, 1978, 43, 1342-1351.10.1190/1.1440899Search in Google Scholar

[6] Gazdag J., and Sguazzero P., Migration of seismic data by phaseshift plus interpolation: Geophysics, 1984, 49, 124-131.10.1190/1.1441643Search in Google Scholar

[7] Li Z., Wave-field extrapolation by the linearly transformed waveequation: Geophysics, 1986, 51, 1538–1551.10.1190/1.1442204Search in Google Scholar

[8] Hale D., Migration in the Time-wave number Domain: CWP AnnualReport, 1991.Search in Google Scholar

[9] Ristow D. & Ruhl T., Fourier finite-difference migration: Geophysics,1994, 59, 1882–1893.10.1190/1.1443575Search in Google Scholar

[10] Fagin S. W., Seismic Modeling of Geologic Structures: Applicationsto Exploration Problems. Geophysical Development series,2. Society of Exploration Geophysicists, 1991.10.1190/1.9781560802754Search in Google Scholar

[11] Aminzadeh F., Brac J., & Kunz, T., SEG/EAGE 3D Modeling SeriesNo 1. Society of Exploration Geophysicists and the European Associationof Geoscientists and Engineers, 1997.Search in Google Scholar

[12] Versteeg R., The Marmousi experience: Velocity model determinationon a synthetic complex data set. The Leading Edge, 1994,13, 927–936.10.1190/1.1437051Search in Google Scholar

[13] Pangman P., SEG Advanced Modeling Program. The LeadingEdge, 2007, 27, 718-721.10.1190/tle26060718.1Search in Google Scholar

[14] Bastia R., An overview of Indian sedimentary basinswith specialfocus on emerging east coast deepwater frontiers, The LeadingEdge., 2006, 25(7), 818-829.10.1190/1.2221359Search in Google Scholar

[15] Prabhakar K. N., Zutshi P. L., Evolution of southern part of IndianEast Coast Basin.Jour. Geol. Soc. India, 1993, 41, 215-230.Search in Google Scholar

[16] Sain K., Gupta H. K., Gas hydrates: Indian scenario.Journal ofGeological Society of India, 2008, 72, 299-311.Search in Google Scholar

[17] Sain K., Gupta H. K., Gas hydrates in India: Potential and Development.Gondwana Research, 2012, 22,645-657.10.1016/ in Google Scholar

[18] Baysal, E., Kosloff D. D., and Sherwood J. W. C., A two-way nonreflectingwave equation: Geophysics, 1984, 49, 132–141.10.1190/1.1441644Search in Google Scholar

[19] Kahn, et al., Generation and Hydrocarbon Entrapment withinGondwana Sediments of the Mandapeta Area, Krishna GodavariBasin, Organic Geochemistry, 2000, 31, 1495-1507.10.1016/S0146-6380(00)00132-7Search in Google Scholar

[20] Murthy M., Padhy P. and Prasad D., Mesozoic hydrogeologicsystems and hydrocarbon habitat, Mandapeta-Endamuru area,Krishna Godavari Basin, India, AAPG Bulletin, 2011, 95, 147-167.10.1306/06301009134Search in Google Scholar

[21] Rao G. N., Sedimentation, stratigraphy, and petroleumpotentialof Krishna–Godavari basin, East coast of India. Bull. Amer. Assoc.Petro. Geol., 2001, 85 (9), 1623-1643.10.1306/8626CCDF-173B-11D7-8645000102C1865DSearch in Google Scholar

[22] Stoffa P. L., Fokkema J. T, Freir R. M. & KessingerW. P., Split-stepFourier migration: Geophysics, 1990, 55, 410–421.10.1190/1.1442850Search in Google Scholar

Received: 2014-03-13
Accepted: 2014-07-08
Published Online: 2015-06-02

©2015 A. Koduru and P. R Mohanty

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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