针对定向井、侧钻井井眼轨道的常见类型给出了不同的优化数学模型，分析了计算过程，并给出了应用实例。
According to the normal well path types of the directional and sidetrack Wells, the calculating process is analyzed and the application cases are given.
提出了存在邻井障碍时定向井轨道的优化设计方法。
The design method of directional well trajectory under existing drilled well obstacles is studied in this paper.
对定向井有杆泵采油设计进行了研究，提出了优化设计的原理和方法，建立了定向井有杆泵采油设计模型。
Based on the research of oil production design of beam bump in directional Wells, we bring forward the principle and method for optimization and set the design model for oil production.
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