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Proceedings Paper

Principles of real and virtual imaging: application to interpretation of refraction data
Author(s): Samir K. Dey-Sarkar
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Paper Abstract

Basic principle of 2D refraction analysis first illustrated by Hagedoom is reformulated in terms of migration theory. Reciprocity relationships are utilized to derive imaging principles which relate to the location of the refractor and velocity of the refractor. In this theory, two sets of images are simultaneously developed via migration of the refraction data. The first image called `the real image' locates the refractor in depth. The second image called `the virtual image' provides information regarding true subsurface velocity of the refractor. Methodology is independent of the geometry of the refractor or velocity variations along the refractor. Since the technique utilizes both kinematic and dynamic characteristics of the wave field, no travel time picking is required.

Paper Details

Date Published: 23 September 1994
PDF: 7 pages
Proc. SPIE 2301, Mathematical Methods in Geophysical Imaging II, (23 September 1994); doi: 10.1117/12.187483
Show Author Affiliations
Samir K. Dey-Sarkar, ARCO Exploration and Production Technology (United States)

Published in SPIE Proceedings Vol. 2301:
Mathematical Methods in Geophysical Imaging II
Siamak Hassanzadeh, Editor(s)

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