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121/4inDS34HF混合式PDC钻头是Hycalog的各种PDC钻头中的一种。DS34HF是一种大切削齿、高出刃的钻头,为用高机械钻速钻软至中等地层和钻较难控制的研磨性低产地段而设计的。
The 121 / 4inDS34HF hybrid PDC drill bit is one of Hycalog’s various PDC drill bits. The DS34HF is a large-cut, blade-out bit designed for drilling soft-to-medium formations and hard-to-grind low-productivity areas with high mechanical penetration.