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Book Chapter

Other Considerations

January 01, 2011


In preceding chapters, we considered interpretation from the complementary standpoints of seismic fundamentals and data quality, leading naturally to discussions of correlation concepts and procedures. This chapter addresses additional topics and issues you probably will encounter in the normal course of work as a seismic interpreter. Ranging from technical fields such as 4D seismic and seismic modeling to philosophical concepts such as interpretive judgment and the interpretation paradox, the following sections are intended to raise your awareness of these topics as building blocks in the foundation of your career. Also included in this chapter are several sections on professional development, the substance of which is based solely on the experience of the author.

In the modern workstation environment, gridding and contouring interpreted 2D or 3D seismic data are accomplished routinely and relatively quickly as automated processes. This is in sharp contrast to the previous generation of interpretation of exclusively 2D seismic data on paper sections, in which gridding, the measurement of two-way reflection times to picked horizons at specific user-defined points, and contouring consumed a considerably greater fraction of an interpreter's time and were dramatically more subjective and dependent on the interpreter's individual skills and experience. Gridding of interpreted seismic data, even 3D data which are inherently “gridded” by the nature of their acquisition and processing, is now done primarily for two reasons: to facilitate automated contouring and to manipulate picked horizons (e.g., calculate the thickness of the interval between two horizons).

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Society of Exploration Geophysicists Geophysical Monograph Series

First Steps in Seismic Interpretation

Donald A. Herron
Donald A. Herron
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Society of Exploration Geophysicists
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January 01, 2011




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