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The Influence of a Method of Bracing a Fiber-Optical Seismic Streamer during Towing on the Parameters of Its Output Signal

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Abstract

The dependence of the noise density in a signal of a fiber-optic towed streamer in a frequency band of 10 Hz–1 kHz on the towing speed in a range of 1 to 5 knots, on the coefficient of relative elongation of its elastic section, its type, and on the type of attachment of the elastic section to the towed body have been studied. In addition, the dependence of the tensile load on the studied streamer on the towing speed is obtained. The experimental data obtained during field tests on the streamer noise level and their analysis are presented. The reduction of the towing noise level when using an elastic section occurred by a factor of up to 3 in a frequency range of 180 to 600 Hz depending on the type of elastic section when attaching it to a strength member of the towed body, and up to 2 in the entire studied frequency range.

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Authors and Affiliations

  1. St. Petersburg National Research University of Information Technologies, Mechanics, and Optics (ITMO University), 197101, St. Petersburg, Russia

    A. A. Vlasov, M. Yu. Plotnikov, V. S. Lavrov, S. S. Kiselev & A. S. Aleinik

Authors
  1. A. A. Vlasov
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  2. M. Yu. Plotnikov
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  3. V. S. Lavrov
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  4. S. S. Kiselev
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  5. A. S. Aleinik
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Corresponding author

Correspondence to A. A. Vlasov.

Additional information

Translated by A. Seferov

The results of this research were presented and discussed at the third International Conference “Optical Reflectometry, Metrology, and Sensorics 2020” (http://or-2020.permsc.ru/, September 22–24, Perm, Russia).

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Vlasov, A.A., Plotnikov, M.Y., Lavrov, V.S. et al. The Influence of a Method of Bracing a Fiber-Optical Seismic Streamer during Towing on the Parameters of Its Output Signal. Instrum Exp Tech 63, 577–582 (2020). https://doi.org/10.1134/S0020441220040363

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  • DOI: https://doi.org/10.1134/S0020441220040363

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