南海南部深水区低品质地震资料处理关键技术

张治忠, 谢岚, 陈华, 覃殿明, 何秋寒, 赵明, 常坤

The key technologies for the processing of low-quality deepwater block seismic data in southern South China Sea

Zhi-Zhong ZHANG, Lan XIE, Hua CHEN, Dian-Min QIN, Qiu-Han HE, Min ZHAO, Kun CHANG

图6 SRME与改进后SWMA组合压制多次波 a—多次波压制前叠加剖面(左)、道集(中)、速度谱(右);b—应用SRME多次波压制后叠加剖面(左)、道集(中)、速度谱(右);c—应用SRME与改进后SWMA组合法压制多次波后叠加剖面(左)、道集(中)、速度谱(右)

Fig. 6 SRME combined with improved SWMA for multiple suppression a—Stack section(left)、CDP(mid)、velocity spectrum(right) before multiple waves suppression;b—Stack section(left)、CDP(mid)、velocity spectrum(right) after multiple waves suppression by the SRME;c—Stack section(left)、CDP(mid)、velocity spectrum(right) after multiple waves suppression by the SRME combined with improved SWMA