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鉴于井间地震资料波场的复杂性,现在多数情况下只能利用初至波的旅行时数据来进行井间层析成像。本文将VSP资料处理技术应用于井间地震资料之中,对两个共炮点道集和两个共接收点道集的上下行反射波作了井间成像,获得了十分理想的高分辨率成像剖面。分析结果表明,这种剖面的地震分辨率比VSP成果剖面约高4~5倍。此项处理技术有效地提高了原始资料的利用率。
Due to the complexity of the cross-well seismic data wavefields, in most cases, only first-arrival travel-time data can be used for interwell tomography. In this paper, the VSP data processing technology is applied to cross-well seismic data. Cross-bore imaging is performed on the two common shot gathers and the two common receiver gathers, and a very good high resolution Imaging section. The analysis results show that the seismic resolution of this section is about 4 ~ 5 times higher than that of the VSP. This processing technology effectively improves the utilization of raw data.