MULTI-VESSEL SEISMIC ACQUISITION WITH UNDULATING NAVIGATION LINES
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jan 23, 2013
filing date -
Jan 24, 2012
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Abstract
Method for determining a seismic survey configuration of a multi-vessel acquisition system. The method includes a step of receiving number that corresponds to vessels to be used in the multi-vessel acquisition system; a step of receiving a cross-line distance between first and last straight line paths corresponding to first and last vessels, respectively, of the multi-vessel acquisition system; a step of receiving an inline distance between the first and last vessels; a step of selecting shapes of undulating paths for the vessels of the multi-vessel acquisition system; a step of receiving a desired azimuth and/or offset distribution of receivers towed by one or more streamer vessels of the multi-vessel acquisition system relative to source vessels of the multi-vessel acquisition system; and a step of calculating amplitudes (Ai), periods (Ti) and phases of the undulating paths.
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