• Dynamic vibration equation of drilling string is established based on the theory of dynamics.

    根据动力学理论建立动力学振动方程

    youdao

  • The rule of lateral vibration under axial load was studied in theory, the inherent frequency of drilling string was obtained.

    理论上分析轴向载荷存在情况下钻柱横向自由振动规律,获得了柱横向振动固有频率

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  • Based on theory of vibration mechanics, this paper analyzes the vibration mechanics model of rod string systematically.

    振动力学理论出发,对现行抽油杆柱的振动力学模型进行了系统分析。

    youdao

  • Based on theory of vibration mechanics, this paper analyzes the vibration mechanics model of rod string systematically.

    振动力学理论出发,对现行抽油杆柱的振动力学模型进行了系统分析。

    youdao

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