Method for imaging seismic structures
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United States of America Patent
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Jun 28, 2005
Grant Date -
N/A
app pub date -
May 8, 2003
filing date -
May 8, 2003
priority date (Note) -
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Abstract
A process for displaying seismic data that compares the data to a model function, typically a trigonometric sine wave. Sample points from the model function are compared to sample points of the seismic data at each graphic point being displayed. Seismic sample data for each graphic point, along with seismic data from neighboring graphic points, is correlated to sample data from the model function to produce a regression gradient for the graphic point. The absolute value of the regression gradient is displayed graphically at the graphic point location, using a gray scale. The correlation is performed by regressing the seismic data sample points with sample points from the model function using a least squares technique to determine the regression gradient for the graphic point.
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