Combining with the heavy oil reservoir characteristics in Xinjiang A oilfield, using the numerical simulation method, according to the different length of the horizontal well, studying the the optimal injection point numbers of multi-point soak of thermal horizontal well in heavy oil reservoir. The results show, the optimal injection point numbers of horizontal well (the length are 150 m, 250 m, 350 m, 450 m) are two, three and four respectively. Basing on the analysis to effectively control range of single steam injection point, determining the five points are the optimal number to 450 m horizontal well. The research results can be used to provide theoretical basis for optimization design of different length horizontal well by using multi-point stimulation technology.%结合A油田稠油油藏储层特征,运用数值模拟方法,对不同水平段长度的水平井多点吞吐最优注汽点个数进行了研究.研究结果表明,段长为150 m、250 m及350 m的水平井最优注汽点个数分别为两个、三个和四个.通过对单注汽点有效控制范围的分析,确定了段长为450 m的水平井采用五点吞吐技术进行开发为宜,研究结果可为不同水平段长的稠油水平井采用多点吞吐技术进行开发的注汽点个数优化设计提供参考.
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