产品参数 Product Parameter 钻头规格Bit Size 8-1/2 刀翼数Number of Blade 6 主切削齿规格Primary Cutter Size Φ16mm 喷嘴数量/类型Nozzle Qty/Type 6NZ 保径长度Gauge Length 3.1" 排屑槽面积Junk Slot Area(in2) 19.0 连接扣型Connection 4-1/2”API reg 上扣扭矩Make up Torque(KN.m) 24.1~26.5 推荐操作参数 Operating Parameters 转速Rotary Speed(rpm) 60~260 钻压Weight on Bit(KN) 25~100 较大钻压Max.WOB(KN) 130 排量Flow Rate(lps) 22~35 特性及应用 使用优质钢材做钻头基体材料,刀翼表面堆敷焊高性能耐磨材料,运用计算机软件对钻头进行三维整体设计,弧线形双排齿,长抛物线冠部,长保径直刀翼外形结构。切削结构采用力平衡设计,不同结构的PDC复合片合理布置在钻头的不同位置,使用高质量切削齿,较大限度的增加局部PDC复合片切削齿的当量密度,有效提高了钻头的攻击性和抗研磨性。将流体动力学分析技术和数值模拟分析技术应用到水力流场设计中,排屑槽和水道面积较大化,较大的过流体积有利于提高钻头排屑速度和防泥包能力。 适用于抗压强度高,含研磨性的中硬到硬地层,如泥岩,灰岩,硬石膏,砂岩等。 Features and Applications Use high-quality steel to make the base material ofPDC bit,the surface fo the blade weld high-performance wear-resi-stant materials,the use of computer software for the overall design of Arc-shaped doubie row of teeth,long paraboliccrown,longstraight blades shape structure.Cutting structure design using the force balance,cutters rational arrangeme-nt of different structures in different locations of the PDC bit,using high-quality cutting teeth,the maximum increaselocal equivalent density cutters cutting teeth,improve the resistance and PDC bit attack abrasive.The application of flu-id dynamics analysis and numerical simulation analysis techniques to the design of the hydraulicflow field,flutes andmaximizing waterway area,the larger the volume of over current help improve chip speed drill and anti-balling capacity. Suitabie for high compressive strength,with abrasive medium hard to hard formations,such as shale,limestone,anhydrite,sandstone and so on.IMG_1552 产品参数Product Parameter 产品规格Bit Size 8-1/2“x4” 切削齿数量Total Cutters 30 保径长度Gauge Length 1.8“ 连接扣型Connection 川7-4 上扣扭矩Make up Torque(KN.m) 13.4~16.3 主切削齿规格Primary Cutter Size Φ13mm 推荐参数Operating Parameters 转速Rotary speed(rpm) 40~150 钻压Weight on Bit(KN) 40~80 较大钻压Max.WOB(kN) 90 排量Flow Rate(lps) 10~30 特性及应用 该款胎体取芯钻头采用弧形水眼冠部设计,刀翼式布齿,内外聚晶金刚石保径,具**械钻速快,岩心收率高,使用寿命长等优点,钻头采用力平衡设计,在提高机械钻速的同时,增强钻头的稳定性。 适用于抗压强度高,研磨性薄夹层的中等到中硬地层,如泥岩,灰岩,硬石膏。 Features and Applications Which has a shallow parabolic profile and medium cutter density,designd for coring the medium hard formation.Utilizing different patented PDCcutters enhance the bits,s ability to drill in hard formations. Soft to medium hard formation with low compressive strength in terbedded with hard layers.rock type:Mudstone,limestone,anhydri