Established a method to design rod string of heavy oil directional wells.

建立了一套适合于稠油定向井的杆管柱设计方法.

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It is used to solve the rod string optimal design issue of the rod pump system.

确定下泵深度与抽油杆柱组合是抽油机井生产参数设计的重要内容.

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Finally, a method of determining spacing of rod guides along rod string is presented.

给出了如何沿抽油杆柱分布扶正器的计算方法.

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And these provides a bases for the rod string design, pump selection and condition diagnosis.

最终给出了各项载荷的计算公式,为抽油杆柱的合理设计 、 泵的选择及工况诊断提供了依据.

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

油管屈曲造成套管 、 油管、抽油杆柱之间的多重磨损.

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To ensure a better system performance, rod string design should base on actual well path.

指出杆柱组合设计要基于实际井眼,才能保证杆柱工作时具有较好的系统性能.

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The problem of sucker rod string lagging in oil slant hole has seriously restricted normal production.

稠油斜直井抽油杆柱滞后的问题严重制约正常生产.

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