Method and System for Determining the Position of Control Devices on a Seismic Instrumented Towed Cable
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United States of America Patent
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Jul 7, 2016
app pub date -
Aug 12, 2014
filing date -
Aug 14, 2013
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Abstract
A method and system enabling high-accurate determination of the position of control devices in a towed seismic instrumented cable-spread by utilizing absolute and relative position measurements, among others, provided by that the control devices are provided with GNSS-units, and possibly supply of differential correction signals from a high-accurate positioning source onboard the survey vessel by means of data transfer in the instrumented cables or via radio directly to the control devices when they are in surface position.
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