Control device for positioning an instrumented cable towed in water
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United States of America Patent
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Nov 10, 2015
Grant Date -
Feb 2, 2012
app pub date -
Jul 6, 2010
filing date -
Jul 7, 2009
priority date (Note) -
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Abstract
Control device (10, 50) for controlling the position of an instrumented cable towed in water, such as a marine seismic streamer, and/or an instrumented towed cable array (streamer array) with the possibility of controlling the individual instrumented cables both with in shape and position in relation to other instrumented cables and by that counteract cross currents and/or other dynamic forces which affect a towed array behind a seismic survey vessel, which control device (10, 50) is provided with one or more acoustic means, such as acoustic transmitter/receiver elements (40), arranged to or integrated in the wings (11, 52), main body (12, 53) or motor and drive gear housings (51) of the control device for determination of position and distance.
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