According to the theory of drilling hydraulics, prediction model for mud pump was established on the basis of ensuring minimum flow rate.

根据钻井水力学理论，在各井段最小排量确定的基础上，建立了泥浆泵泵压、泵功率预测模型。

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Using this model, using pattern recognition method can be carried out on the work area of other pending drilling bit selection, to improve the drilling rate when drilling to reduce drilling risk.

应用该模型，采用模式识别法可对工区其它待钻井进行钻头推选，从而提高待钻井的钻井速度，降低钻井风险。

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The utility model has the advantages of high drilling collimation rate, low waster rate, long service life and is not easy to be damaged.

本实用新型具有钻孔准直率高、废品率低、不易损坏、使用寿命长的优点。

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