Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_2_d9348d50-964b-4833-bfc1-ee33487e16fd
Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_3_7c348b79-49d8-48dc-b219-c863662941a2
Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_67fe88ca-5423-42c1-9640-7166fc191f42
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_2_d9348d50-964b-4833-bfc1-ee33487e16fd
Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_3_7c348b79-49d8-48dc-b219-c863662941a2
Quad-Wing-Arc-Edge-Coreless-PDC-Drill-Bit-for-Deep-Well-and-Geothermal-Mining-with-Methane-Ventilation-Hole_67fe88ca-5423-42c1-9640-7166fc191f42
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling
Precision-Double-Tube-Core-Drill-Bit-for-Hard-Rock-and-Fractured-Terrains-Ideal-for-Deep-Geological-and-Environmental-Sampling

四翼弧边无芯PDC钻头用于深井和地热开采，带有甲烷通风孔

该钻头的四翼弧形设计扩大了边缘接触面积，增加了切削能力，并提高了钻孔速度和穿透力。弧形边缘配备了PDC刀具，提高了耐磨性和抗断裂性，使其更适合复杂的地质条件。
型号: 250#标准

我们的工艺

Integrated forming of tungsten carbide alloy steel
PDC vacuum welding boosts strength, durability,performance
Diverse product line suitable for various fields.
Applications of drill bits in various rock layers and scenarios READ NOW
Model **
Brand FENGSU
Type Drill bit
Material Aolly
Size Range **
Thread Type **
Recommended Formation **
Origin HUNAN，China
Packaging Carton or Wooden Box

综合凿岩参考表

地层分类/名称 代表岩层 理论钻孔速度/推荐拔出长度 推荐钻头
1 级（松散土壤） 次生黄土、次生红石、软砂无砾石和角砾石、硅藻土 15米/小时，15米/小时 合金钻头、小齿复合钻头、普通复合钻头
第 2 级（松散岩石） Huangshi/Hongshi/Peaty Clay/Sandy Soil/Kaolin Type 8M/小时，2.4M/人 合金钻头、小齿复合钻头、普通复合钻头
第 3 级（轻摇滚） 强风化页岩/板岩/放牧岩/片岩/微胶结砂层 6M/小时，2M/人 普通复合钻头、三角复合钻头、面包形复合钻头、刀片形复合钻头
第四级（略微柔和的摇滚） 页岩、砂页岩、油页岩、碳质页岩、钙质页岩、砂页岩夹层、泥质灰岩 5米/小时，1.7米/小时 普通复合钻头、三角复合钻头、面包形复合钻头、刀片形复合钻头
5 级（略带硬摇滚） 砾石层、碎石层、塌陷层泥质板岩、绢云母绿泥石绿岩板岩、片岩、石灰岩、大理石 3米/小时，11.50米/小时 普通复合钻头、三角复合钻头、面包形复合钻头、刀片形复合钻头
6-7 级（中硬摇滚） 绿泥石、云母、板岩、千木岩、片岩、硅化灰岩、方解石 2M/h，1.3M/P-1.1M/P 刃形复合钻头、强化复合钻头、盔齿复合钻头、高档电镀金刚石钻头
8-9 级（硬摇滚） 硅化云母岩、片麻岩、玄武岩、闪长岩、辉石岩、石英鞍山斑岩 1.2M/h, 0.3M/P-0.65M/P 加厚复合钻头、刃形复合钻头、盔齿复合钻头、常规电镀金刚石钻头、热稳定聚晶金刚石（TSP）钻头
10-11 级（极硬摇滚） 花岗岩、花岗闪长岩、片麻岩、流纹岩、石英岩 0.8米/小时, 0.5米/磅-0.32米/磅 本体烧结钻头、低度电镀金刚石钻头、热稳定聚晶金刚石（TSP）钻头。
12 级（极硬摇滚） 石英岩、碧玉、角页岩、刚玉岩、石英、燧石、碧玉 0.3米/小时，0.16米/分钟 本体烧结钻头、低度电镀金刚石钻头、热稳定聚晶金刚石（TSP）钻头。

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