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在迭加偏移、时深转换和水平迭加时间剖面的定量解释工作中,正确和准确地求取参数V_0和β值,是经常而重要的一项工作。目前,求取参数V_0和β值所依据的速度资料有两类:一类是地震测井资料和声波测井资料;另一类是速度谱资料。由于测井所提供的资料,在数量和地区分布上远不能满足回放和地质解释的要求,而速度谱资料则由于数字化工作的逐步进展,可以及时、大量地提供丰富多采的速度资料,为回放和地质解释提供确切的参数。速度谱所提供的速度资料比测井所提供的速度资料,在应用上更及时、更具有针对性,因而如何正确地应
In the quantitative interpretation work of superposition offset, time-depth conversion and horizontal superposition time profile, it is a common and important task to get the parameters V_0 and β accurately and accurately. At present, there are two types of velocity data for determining the values of V_0 and β: one is seismic logging data and acoustic logging data, and the other is velocity spectrum data. Because of the data provided by logging, the quantity and geography distribution far can not meet the requirements of replay and geological interpretation. However, due to the gradual progress of digitization, the speed spectrum data can provide rich and varied speed data in time and in large quantities. Playback and geological interpretation provide the exact parameters. The velocity data provided by the velocity spectrum is faster and more targeted than the velocity data provided by the well, so how to correctly