Method for packing and filtering geophysical events to...

Details Method for packing and filtering geophysical events to... Method for packing and filtering geophysical events to...

2007-10-30

2007-10-30

McElheny, Jr., Donald E (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

Reexamination Certificate

active

10527082

ABSTRACT:
The invention relates to a method for packing and filtering geophysical events read on multi-domain records, with distribution of said events into families each having a particular geophysical significance: iso-offset or iso-incidence angle data cubes, elastic parameter cubes derived from a joint stratigraphic inversion and the like, in order to extract therefrom data on the type of subsoil, using a multivariate statistical technique. The method essentially comprises forming, by combination of geophysical variables, synthetic variables much fewer in number, which are obtained by constructing an orthogonal vector base in each of the sets of analysis constituted by the data of each of the families, wherefrom is derived the formation of an orthonormal vector base (new attributes) for filtering and describing said geophysical events. The invention is applicable to geological interpretation or to interpretation of an underground reservoir, from seismic measurements or logs for example.

REFERENCES:
patent: 4937747 (1990-06-01), Koller
patent: 6052651 (2000-04-01), Fournier
IEEE Transactions on Geoscience and Remote Sensing, vol. 37, No. 1, Jan. 1999.

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