Method for reconstructing seismic wavefields

Method for reconstructing seismic wavefields

A method for reconstructing (138) a selected wavefield at a designated common midpoint and offset location (132) from a set of prestack seismic data traces (126). The method uses actual data traces from other common midpoint and offset locations to reconstruct the selected wavefield at the designate...

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Hauptverfasser: ERIC A. ERIKSEN, EUGENE CLARK TRANTHAM, RICHARD E. DUREN
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator ERIC A. ERIKSEN
EUGENE CLARK TRANTHAM
RICHARD E. DUREN
description A method for reconstructing (138) a selected wavefield at a designated common midpoint and offset location (132) from a set of prestack seismic data traces (126). The method uses actual data traces from other common midpoint and offset locations to reconstruct the selected wavefield at the designated reconstruction location. The method may be used to reconstruct any selected wavefield, including both primary reflection wavefields and secondary wavefields such as water-bottom multiple wavefields, and may be used with both 2-D and 3-D seismic data. If the reconstructed wavefield is a secondary wavefield, it may be subtracted from the restack seismic data traces to eliminate interference between wavefields. The method may also be used to reconstruct data from missing shots to avoid spatial aliasing problems in other data processing operations.
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title Method for reconstructing seismic wavefields
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