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Marine Vibrator Source: Modular System with Folded Oscillating SurfaceNormal access

Authors: M.D.C. Oscarsson-Nagel, W. Söllner, Ø. Trætten, B. Armstrong, D. Nams and P. Yeatman
Event name: 81st EAGE Conference and Exhibition 2019
Session: Seismic Acquisition - Geometries and Hardware I
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901131
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 617.63Kb )
Price: € 20

There is a desire by the marine geophysical industry for a seismic source with a low environmental footprint. Received sound pressure level (SPL) and sound exposure level (SEL) can restrict how seismic surveys can be conducted in sensitive areas. To address this desire, we have developed a broadband non-impulsive source based on the concept of modular transducer elements. The source has a controlled output that can emit arbitrary signals, enables flexible source geometries, and can produce ultra-low frequency content that facilitates robust full waveform inversion. Sea trials and testing indicate that the developed source will meet the challenging output demands and exhibit the necessary robustness to be a viable seismic source for the future. Large scale testing is planned in 2019.

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