A deblending method based on vector median filter for ISS high density seismic data
Xu Hai1,2, Fan Tailiang1, Zhao Xia3, Zhai Lixin4, Zhang Yumeng4, Yang Jian5, Han Ruidong5
1. Institute of Energy,China University of Geosciences(Beijing),Beijing 100083,China;
2. Research Center of Reservoir Geophysics,BGP Inc.,CNPC,Zhuozhou,Hebei 072751,China;
3. Overseas Business Department,GRI,BGP Inc.,CNPC,Zhuozhou,Hebei 072751,China;
4. BGP International,BGP Inc.,CNPC,Zhuozhou,Hebei 072751,China;
5. Research & Development Center,BGP Inc.,CNPC,Zhuozhou,Hebei 072751,China
Abstract:As a high efficiency and high density acquisi-tion method,the vibroseis independent simultane-ous sweeping(ISS) is different from the other con-ventional acquisitions.The signals are almost com-pletely covered by multi-coherent shots,which areconsidered as the random noise in the normalshots.In this paper, we propose a new vector me-dian filter method for deblending the noise in thecross-spread or receiver domains for ISS data.Based on a theory model,we briefly analyze the af-fections on signal and noise by the different spatialfilter parameters,and point out what should bepaid attention to during processing.The model andreal data results demonstrate that the new method canimprove the signal to noise ratio and preserve signals.
徐海, 樊太亮, 赵夏, 翟立新, 张翊孟, 杨剑, 韩瑞冬. 基于矢量中值滤波的ISS高密度地震数据去噪方法[J]. 石油地球物理勘探, 2013, 48(3): 340-344.
Xu Hai, Fan Tailiang, Zhao Xia, Zhai Lixin, Zhang Yumeng, Yang Jian, Han Ruidong. A deblending method based on vector median filter for ISS high density seismic data. OGP, 2013, 48(3): 340-344.