建立下泵深度和抽油杆柱组合优化设计模型。

The optimal design model of downhole pump depth and rod string assemblage is set up.

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抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一。

Rod fatigue rupture is one of its main failure forms.

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油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。

Finally, the buckled string will make multiple wear on casing, tubing and rod string.

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油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。

Finally, the buckled string will make multiple wear on casing, tubing and rod string.

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