化学示踪剂试井(Chemical Tracer)是七十年代在美国发展起来的一种新的试井方法。近年来发展很快。其主要用途是评价油田的水驱油效果。由于可以较准确的计算出油藏的残余油饱和度,该方法对于是否进行三次采油或补充井网的设计有很大的意义。通过示踪剂试井可以得到的地层和水驱参数是:残余油饱和度,束缚水饱和度,油藏含层、分层渗透率及厚度,注水体积波及系数,以及注入流体相对流动速度。谈方法还可用于油藏非均质性的分 Chemical Tracer A well test well developed in the United States in the seventies. In recent years the rapid development. Its main purpose is to evaluate the water flooding effect of the oilfield. Since the residual oil saturation of a reservoir can be calculated accurately, this method is of great significance to the design of whether to carry out the third oil recovery or to replenish the well pattern. The formation and water flooding parameters that can be obtained through tracer well testing are residual oil saturation, irreducible water saturation, reservoir containing layer, stratified permeability and thickness, water flooding volume swept coefficient, and the relative flow rate of injected fluid. The method can also be used for reservoir heterogeneity