Seismic Data Acquisition System Comprising at Least One Towfish Tail Device Connectable to a Tail of a Towed Acoustic Linear Antenna
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 16, 2013
filing date -
Dec 17, 2012
priority date (Note) -
Abandoned
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Abstract
A system includes a plurality of streamers (towed acoustic linear antennas), each cooperating with a set of at least one depth control element having a determined diving capability enabling to immerse the tail of the streamer. At least one given streamer has a tail connected to a tail device which is a towfish device including a flotation body and a satellite navigation system receiver including an antenna fixed on the flotation body. The buoyancy of the flotation body is selected such the set of at least one depth control element controls the depth of the tail device. The tail device includes at least one inline module, connectable via a fixed link to the tail of the streamer, and a frame element, to which is fastened the flotation body via a fixed link and which can freely rotate around the at least one inline module.
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