SCR电驱动钻机的柴油发电机组所使用的柴油机，在低负荷运行时结碳严重，直接影响钻机的可靠性和经济性。
Carbon-laydown occurs seriously in diesel engines on SCR electric drilling rigs during underload Performance, which affects the reliability and efficiency of the rigs.
石油钻机柴油机启动是整台钻机的关键之一，而提供压缩空气又是启动柴油机的必要条件。
The diesel start is the essential for whole drilling rig and while the supply of compressed air to diesel for start is the necessary condition.
SCR电驱动钻机主柴油发电机组的柴油机与发电机匹配是否合理，直接影响钻机的可靠性和经济性。
Whether or not the engine matches the generator on the main diesel-generator-set of a SCR rig, exerts directly an influence on the reliability and economic result of the rig.
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