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Book Chapter

Stratigraphic Models from Seismic Data

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Published:
January 01, 1977

Abstract

A simplistic view of seismic data and their relation to stratigraphy is adopted. Each event or waveform on each data trace is assumed to relate to a sharp acoustic impedance change in the subsurface directly below the trace location. The incorporation of geologic observations and principles thus should permit interpretation of the acoustic parameter changes in regard to lithology and stratigraphy.

A simplistic view of seismic data and their relation to stratigraphy is adopted. Each event or waveform on each data trace is assumed to relate to a sharp acoustic impedance change in the subsurface directly below the trace location. The incorporation of geologic observations and principles thus should permit interpretation of the acoustic parameter changes in regard to lithology and stratigraphy.

Seismic model studies are considered as a means of establishing precise requirements for making stratigraphic correlations and describing the seismic character of specific exploration objectives. Such studies further enable the development of a quantitative approach to stratigraphic correlation, not only for the thicker lithologic units, but for thin units— under 20 m— as well. Seismic amplitudes and waveform manipulations prove to be the foundation of these analytic procedures.

Quantitative methods of stratigraphic correlation in concert with the newly developed work on interpreting seismic reflection patterns offer significant tools for stratigraphic interpretation. Not only are results of improved resolution and certainty to be anticipated, but the prospect of making stratigraphic correlations in the presence of complex structure draws closer as a routine exploration practice.

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Contents

AAPG Memoir

Seismic Stratigraphy — Applications to Hydrocarbon Exploration

Charles E. Payton
Charles E. Payton
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American Association of Petroleum Geologists
Volume
26
ISBN electronic:
9781629812052
Publication date:
January 01, 1977

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