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Low-powered autonomous underwater vehicles for large-scale ocean-bottom acquisitionNormal access

Authors: Fabio Mancini, Harry Debens and Ben Hollings
Journal name: First Break
Issue: Vol 37, No 11, November 2019 pp. 49 - 56
DOI: 10.3997/1365-2397.2019037
Language: English
Info: Article, PDF ( 8.47Mb )
Price: € 30

Summary:
In this paper we propose the use of autonomous underwater vehicles to enable faster and cheaper ocean bottom seismic acquisition. Our effort is focused on buoyancy-driven vehicles as this method of propulsion is extremely low-powered, enabling the units to have very long endurance and, therefore, making them suited to seismic acquisition on a large scale. We show that, for development-style surveys, these units can potentially double the acquisition efficiency. Furthermore, their ease of deployment makes them suited to acquisitions purposely designed for velocity estimation via full-waveform inversion, either on their own or in hybrid configuration with a streamer vessel.


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