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Innovative semielliptical seismic pattern improving line-change efficiency

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Abstract

The paper presents a new method for conducting turns by vessels towing seismic cables. A comparison was made between the traditional way of turning to indicate the advantages of the proposed pattern. In order to improve the overview of the complete geometry of a towed streamer system, a model of marine seismic research quality coefficients was applied. The turning method was tested onboard a seismic vessel towing eight streamers of 6 km in length. A significant reduction of time required for line-change was achieved (up to 45 % depending on ocean current speed and direction, speed of the vessel, skills of navigating team). The introduced quality coefficient of geophysical research works is based on the mathematical model of positions deviation of streamers geophones with relation to their idealized position. The model was created to be used while the vessel is on a steady course to improve the quality of acquired data; however, it was found useful during line changes as well.

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Authors and Affiliations

  1. Maritime University of Szczecin, Szczecin, Poland

    Artur Walus, Lucjan Gucma & Andrzej Bąk

Authors
  1. Artur Walus
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  2. Lucjan Gucma
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  3. Andrzej Bąk
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Correspondence to Artur Walus.

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Walus, A., Gucma, L. & Bąk, A. Innovative semielliptical seismic pattern improving line-change efficiency. Mar Geophys Res 37, 269–279 (2016). https://doi.org/10.1007/s11001-016-9281-4

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  • DOI: https://doi.org/10.1007/s11001-016-9281-4

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