The multiples in seismic data cause distortions of primary reflections from the target layer, which will affect the accuracy of the final imaging and hence reduce the reliability of seismic interpretation. In this paper, we describe an efficient method that attenuates multiples from post-stack or migrated seismic data. It is named the zero offset SRME because the source and receiver are located at the same position without associating with offset and azimuth. The method is based on Surface-Related Multiple Elimination (SRME), which is derived from wave equation theory and is widely used in seismic marine data processing. Like conventional marine SRME methods, the zero offset SRME method does not rely on knowledge of subsurface structures or properties, and does not use seismic event properties to discriminate multiples and primaries. But unlike conventional 3D-SRME methods, the zero offset SRME method does not require harsh conditions, such as trace interpolations, signal-to-noise improvement, and amplitude balancing, as post-stack or imaging seismic data from desert areas has high signal-to-noise ratio and balanced amplitude. To demonstrate the effectiveness of zero offset SRME, we have applied it to a synthetic Sigsbee dataset and a real seismic data in the desert area from Tarim basin. Both results show efficacy in improving the accuracy of seismic imaging.

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