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根据实测结果，分析了钻１口井过程中带泵的电机功率变化规律，和钻１根单根过程中带泵的电机功率变化规律；提出了钻井泵实际功率利用率的计算方法，并具体地对钻１口井过程中的功率利用率进行了计算；分析了３ＮＢ－１３００型钻井泵功率利用率低的原因，并指出了提高钻井泵功率利用率的方法
According to the measured results, the change rule of motor power with pump in one well and the law of motor power with pump in single root drilling are analyzed. The calculation method of actual power utilization rate of drilling pump is put forward, and the specific The calculation of the power utilization rate in the process of drilling 1 well was analyzed. The reason of low power utilization rate of 3NB-1300 drilling pump was analyzed and the method of improving the power utilization rate of drilling pump was pointed out