Shear Waves in Streamer Data via Nongeometrical Conversions

Title

Shear Waves in Streamer Data via Nongeometrical Conversions

 Author

Drijkoningen, G.G.
Allouche, N.

Faculty

Civil Engineering and Geosciences

 Department

Geoscience & Engineering

 Date

2012-06-04

 Abstract

In this paper we show that when an airgun source and a hydrophone streamer are situated in the vicinity of the water bottom, shear-related events are generated via the evanescent part of the P wave in the water. The shear-related events are not only the often-used surface/Scholte waves but also body Swaves which can be reflected/refracted in the subsurface. The gain of this approach that neither source nor receiver is making any contact with the water bottom itself, making it possible to do shear-wave surveys on water in an efficient manner. We show that such shear-wave events are observed in real data, and can be reproduced by modelling. The results are further validated via real measurements in a borehole.

 To reference this document use:

http://resolver.tudelft.nl/uuid:4f80cde2-c2cb-4a6d-ad5a-ece505d75a55

 ISBN

978-90-73834-27-9

 Source

74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012, Copenhagen, Denmark, 4-7 June 2012

 Part of collection

Institutional Repository

 Document type

conference paper

 Rights

(c) 2012 The Author(s)
Files
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