Over the past several decades diffracted wave analysis was applied to such problems as detection of small objects on seismic and GPR data, enhanced fault imaging, detection of edges of the geological bodies. Recently we showed using 2D mathematical modelling the potential of diffracted wave analysis for detection of the CO2 leakage. In this paper we illustrate application of several diffracted waves imaging techniques based on the phase reversal phenomena for to detection of edges of the objects on 2D data and generalize the approach for 3D acquisition geometry. The proposed technique was tested on physical modelling data and 4D seismic data acquired as a part of CO2CRC Otway project conducted by the Cooperative Research Centre for Greenhouse Gases Technologies (CO2CRC).


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