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Book Chapter

Aspects of Seismic Resolution

By
R. E. Sheriff
R. E. Sheriff
University of HoustonHouston, Texas
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Published:
January 01, 1985

Abstract

Where two or more reflections are more closely spaced than a quarter wavelength, a common situation for stratigraphic features of interest in petroleum exploration, the same half-cycles of the embedded wavelet tend to add; we call this the “thin-bed” case. In contrast, where they are close but separated by more than a quarter wavelength, different half-cycles tend to add; this is the “thick-bed” case. Many characteristics of seismic reflections differ in thinand thick-bed situations.

On unmigrated seismic sections the limits of horizontal resolvability are imposed by Fresnel-zone considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture, and uncertainties imposed by velocity, stacking, and two-dimensional assumptions.

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Contents

AAPG Memoir

Seismic Stratigraphy II: An Integrated Approach to Hydrocarbon Exploration

Orville Roger Berg
Orville Roger Berg
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Donald G. Woolverton
Donald G. Woolverton
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American Association of Petroleum Geologists
Volume
39
ISBN electronic:
9781629811505
Publication date:
January 01, 1985

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