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An innovative time-saving method of turning for vessels conducting seismic surveys

Walus A., Gucma L., Putynkowski G.

Zeszyty Naukowe Akademii Morskiej w Szczecinie

2016

nr 45 (117)

207--211

The paper presents a turning method saving time and energy while conducting seismic surveys and an example of its application. The introduced turning method is based on use of the ocean currents / tidal streams as a supporting factor. The turning technique is applicable for vessels towing streamers and conducting line-change or other maneuvers similar to 180° turn. Chosen forces affecting seismic in-water equipment as well as behavior of the spread are briefly shown and explained. Some advantages over traditional turning techniques are here described. The method was applied onboard the seismic vessel Geo Pacific reducing significantly time required for line-change.