In the paper, the wave ray path formula is obtained by the Euler equation in the continuousstratified medium. Through the use of the formula, we derive the velocity inversion formula forthe VSP data processing.

• 本文根据欧拉方程对于连续性层状介质进行了方程推导，得出一个波传播的射线路径公式，利用路径公式导出了VSP资料处理中的速度反演公式。