<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper deals with issues connected with the behaviour of a streamer cable towed by a survey seismic vessel when the cable undergoes a strike triggered by collision with an underwater moving object. The consequences of such collisions may be both threat to the life of marine animals or damage to underwater units and large economic losses suffered by vessel owners. The risk of such collisions has increased over the last years as a result of increased offshore seismic survey operations. Therefore, a towed streamer should be very robust. To assure its robustness, we should know the deformation mechanism of a single streamer cable. This in turn requires the development of an appropriate mathematical model of such a phenomenon.</p><p>In particular, the paper presents the characteristics of seismic survey vessels and streamers; an analysis of collisions that have occurred in the past; a statement of the problem, and a computer-aided system supporting simulation of the cable behaviour. To obtain all the necessary design parameters regarding the deformation mechanism of a streamer cable, we set up a dedicated computer-aided system that supports their calculation.</p></abstract>

The paper deals with issues connected with the behaviour of a streamer cable towed by a survey seismic vessel when the cable undergoes a strike triggered by collision with an underwater moving object. The consequences of such collisions may be both threat to the life of marine animals or damage to underwater units and large economic losses suffered by vessel owners. The risk of such collisions has increased over the last years as a result of increased offshore seismic survey operations. Therefore, a towed streamer should be very robust. To assure its robustness, we should know the deformation mechanism of a single streamer cable. This in turn requires the development of an appropriate mathematical model of such a phenomenon.In particular, the paper presents the characteristics of seismic survey vessels and streamers; an analysis of collisions that have occurred in the past; a statement of the problem, and a computer-aided system supporting simulation of the cable behaviour. To obtain all the necessary design parameters regarding the deformation mechanism of a streamer cable, we set up a dedicated computer-aided system that supports their calculation.

Determination of Additional Tension in Towed Streamer Cable Triggered by Collision with Underwater Moving Object

Admiral Makarov National University of Shipbuilding

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper deals with issues connected with the behaviour of a streamer cable towed by a survey seismic vessel when the cable undergoes a strike triggered by...

Determination of Additional Tension in Towed Streamer Cable Triggered by Collision with Underwater Moving Object

Publié en ligne: 17 juil. 2020

Pages: 58 - 68

DOI: https://doi.org/10.2478/pomr-2020-0027

Mots clés
towed steamer cable, collision, deformation mechanism, offshore seismic survey

© 2020 Vladimir S. Blintsov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Determination of Additional Tension in Towed Streamer Cable Triggered by Collision with Underwater Moving Object

Publié en ligne: 17 juil. 2020

Pages: 58 - 68

DOI: https://doi.org/10.2478/pomr-2020-0027

Mots cléstowed steamer cable, collision, deformation mechanism, offshore seismic survey

© 2020 Vladimir S. Blintsov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
towed steamer cable, collision, deformation mechanism, offshore seismic survey