METHOD OF EXTRACTING INTRINSIC ATTENTUATION FROM SEISMIC DATA

METHOD OF EXTRACTING INTRINSIC ATTENTUATION FROM SEISMIC DATA

The present disclosure generally relates to a computer-implemented method for determining intrinsic attenuation in a region of a subsurface. The method generally includes obtaining seismic data around the region of the subsurface; processing the seismic data to obtain a reflectivity spectrum in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Natu, Stefan S, Deckman, Harry W, Ertas, Mehmet D
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The present disclosure generally relates to a computer-implemented method for determining intrinsic attenuation in a region of a subsurface. The method generally includes obtaining seismic data around the region of the subsurface; processing the seismic data to obtain a reflectivity spectrum in the region of the subsurface; fitting the reflectivity spectrum to analytic formulas as a function of frequency; and determining the intrinsic attenuation in the region of the subsurface based on the fitting. Other aspects of the present disclosure relate to a computer-implemented method for determining the thickness of a thin subsurface bed at a horizon of interest.