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海上地震勘探中一直存在着不同类型的多次波,但与自由界面有关的多次波占其主要成分,由于多次波的存在严重影响了后续地震资料处理的精度,降低了地震资料的可靠性和真实性,并影响最终的地震资料解释结果。本文首先介绍了SRME多次波压制技术的基本原理,对实际工区的地震资料进行了处理,结果表明,该方法可以有效去除与自由界面有关的多次波,提高了资料的信噪比,为后续的地震资料处理和解释提供更好的数据。
There are always different types of multiple waves in offshore seismic exploration, but the multiple components related to the free interfaces occupy the main components. The existence of multiple waves seriously affects the accuracy of subsequent seismic data processing and reduces the reliability of seismic data Sexual and authenticity, and affect the final interpretation of seismic data. In this paper, the basic principle of SRME is introduced firstly. The seismic data of the actual working area are processed. The results show that this method can effectively remove the multiples associated with the free interface and improve the signal to noise ratio of the data. Subsequent seismic data processing and interpretation provide better data.