ON DRILLING PARAMETERS MEASU 总线式钻井测量系统监测软件的开发 hydraulic drilling parameters 水力参数影响系数 Drilling Parameters Instrument 钻井参数仪 ..
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The paper elaborates the relation of main factors influenced on the drilling speed of hydraulic roofbolter, which provides a calculation basis for reasonable match of main parameters of roofbolter.
系统阐述影响液压锚杆钻机钻进速度的主要因素之间的关系，为锚杆钻机主要参数的合理匹配提供了计算依据。
Different combinations of PDC drilling bits hydraulic parameters are comprehensively reflected by flow field energy transformation at oil well bottoms.
针对实际PD C钻头建立了不同的流场计算模型，比较分析了流场能量的变化规律。
Different combinations of PDC drilling bits hydraulic parameters are comprehensively reflected by flow field energy transformation at oil well bottoms.
PD C水力参数的不同综合表现为井底流场能量的变化。
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