Sinusoidal marine seismic data acquisition
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United States of America Patent
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Oct 1, 2013
Grant Date -
Oct 27, 2011
app pub date -
Nov 24, 2010
filing date -
May 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of acquiring marine seismic data using an acoustic source to generate an acoustic signal, a portion of which is reflected at one or more subsurface formation interfaces as a seismic signal is described. The method includes sailing a surface vessel along a sail line which lies over a survey area while towing a seismic streamer, the sail line having a sinusoidal configuration defined by an amplitude and a wavelength. The streamer includes a plurality of hydrophones for receiving the reflected portion of the acoustic signal. The method is characterised in that the streamer follows the sinusoidal configuration of the sail line while seismic data is acquired, the streamer having a length at least equal to the distance travelled by the surface vessel as it sails along one full wavelength of the configuration as measured along the sinusoidal sail line.
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