Developments in Seismic Processing for Geologic Interpretation: ABSTRACT

Smith, Mark K.

doi:10.1306/5d25c7b3-16c1-11d7-8645000102c1865d

Bulletin

1969

DOI: 10.1306/5d25c7b3-16c1-11d7-8645000102c1865d

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Developments in Seismic Processing for Geologic Interpretation: ABSTRACT

Mark K. Smith¹

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1976

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A Study of the Seismic Signatures of Sedimentation Models Using Synthetic Seismograms*

Khattri

Gir

1976

Geophysical Prospecting

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In modern exploration for hydrocarbons there is a great emphasis on the location of stratigraphic traps and estimation of lithologic information like sand‐shale ratios from seismic data. In order to investigate the possibilities of success in this endeavour we have studied the synthetic seismograms for wave form and spectral characteristic for four basic sedimentation models: (I) interbedded sand‐shale model representing the sediments of generally fluviatile origin, (2) interbedded coal‐shale model representing deltaic deposits, (3) sedimentary models representing transgression and regression of shore lines, and (4) a basal sand model. The results have shown that for the first two models a change in the sand‐shale or coal‐shale ratio results in a characteristically different seismogram. The nature of the seismogram, however, is also strongly dependent on how the sand‐shale or coal shale layers are arranged to ultimately give the same number of total layers, thus implying the same coal‐shale or sand‐shale ratios. The transgression, regression, and basal sand models also produce characteristically different seismic signatures. The spectra of these seismograms show attendant characteristic changes. However, it seems that in the case of real data which are disturbed by noise and the effects of overlying layers these characteristic features may not always be distinguishable.

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A Study of the Seismic Signatures of Sedimentation Models Using Synthetic Seismograms*

Khattri

Gir

1976

Geophysical Prospecting

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Developments in Seismic Processing for Geologic Interpretation: ABSTRACT

Cited by 1 publication

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A Study of the Seismic Signatures of Sedimentation Models Using Synthetic Seismograms*

A Study of the Seismic Signatures of Sedimentation Models Using Synthetic Seismograms*

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