剩余层速度平面图的应用

本文给出了Dix公式计算层速度的误差公式，并对误差因素进行了分类。在做剩余层速度平面图时，要设法消除各种误差。对系统误差用平均差层速度的办法消除;对可计算误差用趋势分析的办法消除;对随机因素的影响，在处理的每一环节都要注意加以消除。并用一实例说明了剩余层速度平面图在油气检测中的应用效果。

Application of residue interval velocity contours

The error formula for interval velocity derived from Dix formula is given and the error factors are divided into several categories. Various kinds of errors should be eliminated before the residue interval velocity contours have been made.The mean difference value of the interval velocities has been used to deal with the system error, while the trend analysis method has been chosen to eliminate the calculatable error, and the random errors should be taken care of during every processing stage. An example demostrates the application of residue interval velocity contours in hydrocarbon detection.