Completing control method of well path due to the rock characters and the interaction between bit and formation.
根据地层岩石特性及钻头与地层的相互作用关系，完成井眼轨迹控制方法。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
In accordance with the characteristics and coverage requirement of path coverage test as well as the graph theory, this paper presents a new program control flow diagram model.
针对路径测试的要求及其特点，结合图论的概念，提出了程序控制流程图的一种表示方法。
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