技术规范 PRODUCT SPECIFICATIONS
刀翼数量 Number of Blades	5
切削齿数量 Cutter Quantity	29
主切削齿尺寸 Primary Cutter Size	16mm
主切削齿数量 Primary Cutter Quantity	14
保径长度 Gauge Length	65mm
排屑槽面积 Junk Slot Area	5790mm2
连接扣型 Connection	3 1/2 API REG
钻头重量 Bit Weight	24KG
喷嘴数量/类型 Nozzle Quantity/Type	4NZ+2PZ

推荐参数 OPERATING RECOMMENDATIONS
钻压 Weight on Bit	10～80 KN
转速 Rotatoin Speed	50～200 RPM
排量 Hydraulic Flow Rate	8～18 L/S

设计特征 Design Features
■适应软—中等硬度地层。
Suitable for drilling soft to medium hard formations
■抗冲击切削结构技术、辅助切削等技术的应用，增大了钻头适应范围。
Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc.
■切削深度控制技术，减少各向振动，使钻头工作稳定。
Penetration depth control technology is applied on the bit to reduce vibration in all directions so as. to make the bit working more steadily.
■井底流场模拟（CFD）水力平衡设计
CFD hydraulic balance design.

PDC钻头 152.4 ES1645RE/S323

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