Acquisition downtime resulting from bad weather is a significant factor in the cost of marine seismic surveys. In the North Sea, for instance, seismic data are acquired mostly during the summer, and weather downtime can still amount to 40% of the survey time. Swell noise resulting from bad weather conditions may obscure important reflections in the data and must be avoided or removed prior to further processing. We observe that such noise is mostly limited to low temporal frequencies and appears as spatially incoherent when recorded with conventional streamers. In this paper we propose to acquire multi-pass data in moderately bad weather, and try to filter and combine the acquired data and produce acceptable output. Perhaps, a few passes in bad weather can provide enough data to produce a good image.
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Good Data In Bad Weather: Can Quantity Make Up For Quality?
Paper presented at the 2000 SEG Annual Meeting, Calgary, Alberta, August 2000.
Paper Number: SEG-2000-0013
Published: August 06 2000
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Grion, S., Barsch, J., Kostov, C., and S. Ronen. "Good Data In Bad Weather: Can Quantity Make Up For Quality?." Paper presented at the 2000 SEG Annual Meeting, Calgary, Alberta, August 2000.
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