Passive seismic imaging is based on the relation between the reection and the transmission responses of the subsurface. By cross-correlating the transmission responses of a 3-D inhomogeneous medium in the presence of white noise sources, measured at points A and B, one can simulate the reection response of the same medium as if measured at point A in the presence of an impulsive source at point B. In this paper we show by numerical simulations that the received reection response strongly depends on the whiteness of the sources. Reectors present beneath the noise sources cause some ghost events to appear. Random distribution of the noise sources weakens these ghost reections. Introduction One of the applications of the general relations between the reection and the transmission response of a medium is in passive seismic imaging. Claerbout (1968) derived the relation for a horizontally layered medium.
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Passive Seismic Imaging In the Presence of White Noise Sources: Numerical Simulations
Deyan Draganov;
Deyan Draganov
Delft University of Technology, Department of Applied Earth Sciences
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Kees Wapenaar;
Kees Wapenaar
Delft University of Technology, Department of Applied Earth Sciences
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Jan Thorbecke
Jan Thorbecke
Delft University of Technology, Department of Applied Earth Sciences
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Paper presented at the 2003 SEG Annual Meeting, Dallas, Texas, October 2003.
Paper Number:
SEG-2003-0090
Published:
October 26 2003
Citation
Draganov, Deyan, Wapenaar, Kees, and Jan Thorbecke. "Passive Seismic Imaging In the Presence of White Noise Sources: Numerical Simulations." Paper presented at the 2003 SEG Annual Meeting, Dallas, Texas, October 2003.
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