Due to the special structure of controlled direction well, it can lead to severe abrasion even jamming if not adopting any measure when using progressing cavity pump rod to pump oil.

由于定向井井身结构特殊，利用螺杆泵进行抽油时如不采取任何措施势必造成杆柱严重磨损甚至卡死。

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It can simulate a human expert to make analysis and design scheme mainly for four kinds of typical engineering components-pressure vessels, huge rotation constructions, pump-rod and welded structures.

它可以模仿人类专家，对四种典型工程构件-压力容器、大型旋转构件，螺杆泵及焊接结构进行分析和设计。

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Based on the principle of model recognition, we can quickly and accurately identify the impedance charts of various defects on the surface of pump-rod.

利用计算机模式识别原理，快速、准确地识别出抽油杆表面多种缺陷的阻抗图。

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