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Book Chapter

2-D Dip Moveout (DMO)

Published:
January 01, 2007

Abstract

Know that prestack migration is equivalent to DMO and poststack migration for constant velocities.

Know that DMO (constant velocity) enables all dips to be MO’d with the same (RMS) velocity i.e. NMO.

Know that DMO (constant velocity) eliminates dip smear.

Know that constant velocity assumption may be extended to areas with smoothly varying velocities.

Understand the basic DMO algorithms.

Become aware that some DMO algorithms are available for variable velocities.

Be able to identify the different types of processes referred to as DMO.

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Contents

Course Notes

A Practical Understanding of Pre- and Poststack Migrations: Volume 2 (Prestack)

John C. Bancroft, Ph.D.
John C. Bancroft, Ph.D.
University of Calgary
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Society of Exploration Geophysicists
Volume
14
ISBN electronic:
9781560801658
Publication date:
January 01, 2007

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