中国水井钻探设备配件/ TCI三牙轮钻头
TCI位系列
437
软地层TCI牙轮钻头
这种切削结构设计,结合最大锥偏移,导致高比特渗透率。 的刀行深压弯防止想逃位在粘地层。
517
中型组TCI牙轮钻头
这种设计提供了一个快速钻孔速率和加入切割结构耐久性在中到中硬地层。 在HSN橡胶O形圈提供足够的密封轴承的耐用性。
637
硬地层TCI牙轮钻头
的637位用于在所述外围行,以防止位计的损失。 半球型刀片最大的数字被用在所有行提供刀具的耐用性和寿命长。
617
中等硬地层TCI牙轮钻头
这种设计提供了快速钻井速度并增加切割介质结构耐久性中等野兔编队。 在HSN橡胶O型凛提供足够的密封轴承的耐用性。
IADC代码:112 121 131127,137215 216 217 311 312 315 317327417 427 437415 425,435517527,537547517525535617627637647625635637712737837832
尺寸 | BIT类型 | |
在。 | 毫米 | |
6 | 152.4 | 136, 127 |
6 1/2 | 165.1 | 126127 |
7 1/2 | 190.5 | 126, 136, 217, 227 |
8 1/2 | 215.9 | 114, 124, 126127 |
9 1/2 | 241.3 | 126, 127 |
9 5/8 | 244.5 | 127 |
9 7/8 | 250.8 | 127 |
12 1/4 | 311.1 | 114, 126, 127 |
13 5/8 | 346 | 117, 126, 127 |
14 3/4 | 374.6 | 124 |
15 | 381 | 124 |
15 1/2 | 393.7 | 124 |
17 1/2 | 444.5 | 114, 117, 124, 126, 216 |
22 | 558.8 | 124 |
24 | 609.6 | 124 |
26 | 660.4 | 114 |





TCI bits series
437
Soft Formation TCI Tricone Bits
This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations .
517
Medium Formation TCI Tricone Bits
This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard formations . The HSN rubber O-ring provides adequate sealing for bearing durability.
637
Hard Formation TCI Tricone Bits
The 637 bits are used in the outer rows to prevent loss of bit gauge . Maximum numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life .
617
Medium-Hard Formation TCI Tricone Bits
This design provides a fast drilling rate and added cutting structure durability in medium to medium hare formations . The HSN rubber O-rin provides adequate sealing for bearing durability.
IADC CODE: 112 121 131127 , 137215 216 217 , 311 312 315 317327417 427 437415 425, 435517527 , 537547517525535617627637647625635637712737837832
size | Bit Type | |
In. | mm | |
6 | 152.4 | 136, 127 |
6 1/2 | 165.1 | 126127 |
7 1/2 | 190.5 | 126, 136, 217, 227 |
8 1/2 | 215.9 | 114, 124, 126127 |
9 1/2 | 241.3 | 126, 127 |
9 5/8 | 244.5 | 127 |
9 7/8 | 250.8 | 127 |
12 1/4 | 311.1 | 114, 126, 127 |
13 5/8 | 346 | 117, 126, 127 |
14 3/4 | 374.6 | 124 |
15 | 381 | 124 |
15 1/2 | 393.7 | 124 |
17 1/2 | 444.5 | 114, 117, 124, 126, 216 |
22 | 558.8 | 124 |
24 | 609.6 | 124 |
26 | 660.4 | 114 |




