别名 | 三牙轮钻头,牙轮钻头 |
---|---|
规格 | 152mm,215.9mm |
立轴转速 | 240-35 |
外形尺寸 | 660(mm) |
用途 | 水井 |
重量 | 0.04(t) |
钻杆直径 | 标准 |
钻孔角度 | 180(°) |
钻孔深度 | 1000(m) |
钻孔直径 | 660(mm) |
品牌 | 辰鹏 |
型号 | 齐全 |
加工定制 | 是 |
牙轮钻头是使用**泛的一种钻头。牙轮尊头工作时切削齿交替接触井底,破岩扭矩小,切削齿与井底接触面积小,比压高,易于吃入地层;工作刃总长度大,因而相对减少磨损。牙轮钻头能够适应从软到坚硬的多种地层。
IADC CODE (可供型号) | 116, 117, 126, 127, 136, 137, 216, 217, 226, 236, 316, 317, 326, 327, 336, 337, 115, 125, 135, 215, 225, 235, 315, 325, 335, 114, 124, 214, 314, 111, 121, 131,346, 347, |
417, 427, 437, 517, 527, 537, 617, 627, 637, 737, 837, 415, 425, 435, 445, 525, 625, 635, 416, 446, 447, 516, 526, 537, 547, 516, 536, 535. | |
Available Sizes (可供尺寸) | 3’’ 3 3/8’’ 3 1/2’’ 3 7/8’’ 4 1/2’’ 4 5/8’’ 4 3/4’’ 5 1/4’’ 5 1/2’’ 5 5/8’’ 5 3/4’’ 5 7/8’’ 6’’ 6 1/4’’ 6 1/2’’ 6 3/4’’ 7 1/2’’ 7 5/8’’ 7 7/8’’ 8 1/2’’ 8 3/4’’ 9 1/2’’ 9 5/8’’ 9 7/8’’ 10 5/8’’ 11 5/8’’ 12 1/4’’ 13 5/8’’ 14 3/4’’ 15 1/2’’ 16’’ 17 1/2’’ 20’’ 22’’ 24’’ 26’’ |
Advantage (优势) | Most attractive price and quality |
Bearing (轴承类型) | Sealed bearing and Non-sealed bearing (密封轴承与非密封轴承) HJ(metal sealed journal bearing) (金属密封轴承) HA(rubber sealed journal bearing) (橡胶密封轴承) |
Formation (适用地层) | Soft, medium soft, hard, medium hard, very hard (软,中软,硬,中硬,坚硬) |
Button sizes (extra features) (齿形) | Button bit, saw teeth(齿的形状) 1)Y-conical teeth(锥形齿) 2)X-chisel teeth(楔形齿) 3)K-spherical teeth (球形齿) 4)G-gauge protection(保径) |