Method and system for controlling streamers
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United States of America Patent
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Jul 17, 2012
Grant Date -
May 13, 2010
app pub date -
Nov 6, 2009
filing date -
Nov 7, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for controlling the shape and separation of an arrangement of streamers towed behind a survey vessel. Each streamer is steered laterally by lateral steering devices positioned along its length at specific nodes. Each streamer is driven by its lateral steering devices to achieve a specified separation from a neighboring streamer. One of these actual streamers, used as a reference by the other actual streamers, is steered to achieve a specified separation from an imaginary, or ghost, streamer virtually towed with the actual streamers.
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