Methods and apparatus for seismic exploration using pressure changes caused by sea-surface variations
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United States of America Patent
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Dec 2, 2014
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app pub date -
May 31, 2011
filing date -
May 31, 2011
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Abstract
Disclosed are apparatus and methods for seismic exploration using pressure changes caused by sea-surface variations as a low-frequency seismic energy source. One embodiment relates to a method which obtains dual wave-fields measured below a sea surface. The measured dual wave-fields are decomposed into a down-going wave-field and an up-going wave-field at a selected observation level. Seismic images are then generated using the down-going and up-going wave-fields. Other embodiments, aspects, and features are also disclosed.
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