METHOD FOR PZ SUMMATION OF 3-DIMENSIONAL WIDE AZIMUTH RECEIVER GATHERS AND DEVICE
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United States of America Patent
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Issued Date -
Aug 23, 2012
app pub date -
Feb 16, 2012
filing date -
Feb 22, 2011
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Abstract
Apparatus, computer instructions and method for de-pegging seismic data related to a subsurface of a body of water. The method includes receiving as input recorded seismic data (H, G), wherein the recorded seismic data is recorded with a receiver having at least three components; extracting a three-dimensional (3D) gather from the recorded seismic data (H, G); separating up-going and down-going components (U, D) from the 3D gather using a 3D calibration operator (Gcal); and calculating de-pegged seismic data (P) based on the up-going and down-going components (U, D). The de-pegged seismic data (P) is calculated with no radon transform.
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