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Estimation of Water Column Velocity and Thickness Changes from 4D Seabed Diffraction Analysis
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009, Jun 2009, cp-127-00416
- ISBN: 978-90-73781-67-2
Abstract
Simple equations relating time lapse changes in seabed diffraction hyperbolas to changes in water layer velocity ant thickness are derived. We find that this method is more robust than using seabed reflection data for the same purpose. We point at two mai