利用井间地震特有的共偏移距道集，找出了适宜于分析井间地震偏移速度的方法。
Using special common offset gather for crosshole seismic, a migration velocity analysis method is developed for crosshole seismic.
介绍了井间示踪、井间地震和井间电磁成像等测井技术的方法、原理及应用情况。
This paper introduced the methodology and applications of cross-hole survey technologies such as crosswell tracing, crosswell seismic, and crosswell electromagnetic imaging.
常用的时间域反演方法不能直接用于深度域的井间地震资料。
The conventional inversion for time domain is unfavorable to cross-hole seismic data in depth domain.
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