METHODS AND APPARATUS FOR SEISMIC IMAGING WHICH ACCOUNTS FOR SEA-SURFACE VARIATIONS
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Jul 25, 2011
filing date -
Jul 25, 2011
priority date (Note) -
Abandoned
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Abstract
Disclosed are apparatus and methods for seismic imaging which accounts for sea-surface variations. In accordance with one embodiment, a source wave-field is forward propagated to a subsurface level below a sea floor. In addition, a receiver wave-field is backward propagated to the subsurface level, wherein the backward propagation in time comprises synchronized backward running of the sea surface. Other embodiments, aspects, and features are also disclosed.
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