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为了论证提高钻机总有效载荷的可能性,以便增加其钻井深度,就必须确定动载荷值,并估计动载荷对提升系统零件的疲劳强度的影响。钻机动力学研究的现有发展水平,已能采用数学模拟的方法来解决这些问题。人们用电子计算机对钻具起下过程进行了研究,根据这些研究资料绘制了动载系数和最大动载荷与钻柱重量的综合关系曲线,例如图1给出的综合
In order to demonstrate the possibility of increasing the total rig payload, in order to increase its depth of drilling, dynamic load values must be determined and the effect of dynamic loads on the fatigue strength of the system components raised. The current level of rig research on rig dynamics has led to the adoption of mathematical simulations to solve these problems. People use the computer to drill down the process of study carried out on the basis of these research data drawn dynamic load factor and maximum dynamic load and the weight of the drill string comprehensive relationship curve,