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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So the theory to the application of rod string absorber in engineering is provided.

本文的定量研究为抽油杆减震器在工程中的应用提供了理论支持。

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

建立下泵深度和抽油杆柱组合优化设计模型。

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The flexible, 140-seat auditorium and presentation area, will feature a puppet bridge for string puppet operators to work from and a floor trench for rod puppet operation.

BBC: Artist impression of the new building