An electromagnetic-based streamer for near-shore investigations

We developed an underwater electromagnetic-based streamer to image the near-shore marine substratum. The system was tested to assess its feasibility to map the electrical resistivity of the near-surface geological seabed. The results are very encouraging to describe the main lithology or to recover...

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Bibliographic Details
Published in2012 Oceans - Yeosu pp. 1 - 5
Main Authors D'Eu, J.-F, Tarits, P., Balem, K., Gaspari, F., Hautot, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2012
Subjects
bedrock imaging
Conductivity
Electric potential
Electrodes
Electromagnetic-based
Electromagnetics
free gas
Imaging
marine electrical sounding
near-shore
pipeline
Pipelines
Receivers
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Summary:We developed an underwater electromagnetic-based streamer to image the near-shore marine substratum. The system was tested to assess its feasibility to map the electrical resistivity of the near-surface geological seabed. The results are very encouraging to describe the main lithology or to recover the position of buried large objects. We present results in various contexts (geology, pipeline detection, free gas hazard) and suggest a way forward for higher resolution and deeper investigation depth with respect to the actual system.
ISBN:9781457720895
1457720892
DOI:10.1109/OCEANS-Yeosu.2012.6263495