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Expression of acted bias force from exterior pad of a modulated steering rotary drilling system on the hole wall
Author(s): 
Pages: 84-86,91
Year: Issue:  4
Journal: ACTA PETROLEI SINICA

Keyword:  钻井旋转导向系统井壁导向力仿真计算井眼轨迹控制;
Abstract: 对调制式旋转导向工具RCLD系统的导向力的形成机理进行了探讨.结果表明,RCLD系统的导向力的形成方式与第一代PowerDrive系统相比有其独特的优势,是一种更为合理的方式.当单个伸缩块在控制面作顺时针和逆时针摆动时,每次伸出对井壁施加的作用力均受到控制面摆动速度、高压阀孔圆心角、转盘转速的影响.给出了无约束条件下这些参数对作用力影响的计算模型和仿真结果.
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