Multidimensional amplitude scaling of seismic data
Method for characterizing velocity estimates
Metod of geophysical exploration
Method of seismic time migration using a massively parallel computer
Resonant energy analysis method and apparatus for seismic data Patent #: 5414674
ApplicationNo. 233643 filed on 01/19/1999
US Classes:702/16Specific display system (e.g., mapping, profiling)
ExaminersPrimary: McElheny, Donald Jr.
Attorney, Agent or Firm
International ClassG06F 019/00
AbstractThe present invention is directed generally toward a method of processing seismic data to provide improved quantification and visualization of subtle seismic thin bed tuning effects and other sorts of lateral rock discontinuities. A reflection from a thin bed has a characteristic expression in the frequency domain that is indicative of the thickness of the bed: the reflection has a periodic sequence of notches in its amplitude spectrum, with the notches being spaced a distance apart that is inversely proportional to the temporal thickness of the thin bed. Further, this characteristic expression may be used to track thin bed reflections through a 3-D volume and estimate their thicknesses and lateral extent. The usefulness of this invention is enhanced by a novel method of frequency domain whitening that emphasizes the geologic information present within the spectrum. Although the present invention is preferentially applied to a 3-D seismic volume, it is alternatively applied to any collection of spatially related seismic traces.