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测井仪器的刻度是为了进行定量解释而发展起来的一项基础工作。各种测井方法都有不同的特性和使用条件,故刻度方法和刻度装置也不一样。其中,最复杂的刻度装置要设立三个等级。即一级标准刻度井、二级普通刻度井和三级现场刻度器。并且,以标准刻度井的物理参数值为基准,确定下两级刻度装置的物理参数值,物理参数的单位有绝对制和任意制两种。下面按测井方法介绍测井刻度简况。
The calibration of logging tools is a basic work developed for quantitative interpretation. Various logging methods have different characteristics and conditions of use, so the scale method and scale devices are not the same. Among them, the most complex scale device to set up three levels. That is, a standard scale wells, two ordinary scale wells and three on-site scale. In addition, the physical parameter values of the next two-stage calibration device are determined based on the physical parameter values of the standard calibration wells. The unit of the physical parameters is absolute and arbitrary. The following logging method introduced log scale.