Method and device for marine seismic acquisition
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United States of America Patent
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Jun 13, 2017
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N/A
app pub date -
Aug 26, 2014
filing date -
Nov 9, 2011
priority date (Note) -
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Abstract
Method and system for improving azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front sources located in front of the plural streamers along a traveling direction of the streamer vessel; and first and second large offset front sources located in front of the first and second front sources along the traveling direction. The offset distance between the first and second large offset front sources, along a cross-line direction, is larger than an offset distance between the first and second front sources.
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