Products details
1.API 9 1/2'' IADC 136 rubber sealed journal bearing insert tooth tricone bit for oilfield drilling
2.Meet with API Spec7-1 ISO 9001:2008
3.Suitable for soft formation
4.IADC code suitable for different formations
5.High temperature and wear resistance
6.Good quality and after-sale service
7.Long service life and resonable price
8.Delivery on time
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About us
Hejian Wanxiang Drilling Equipments Co., Ltd.
We produce the drilling bits strictly according to our customers' requirements with advanced equipments to make the quality perfect.
Specification
No | Sizes Available |
Inch (in) | Metric (mm) |
1 | 7 7/8 | 200.0 |
2 | 8 1/2 | 215.9 |
3 | 9 1/2 | 241.3 |
4 | 12 1/4 | 311.1 |
5 | 17 1/2 | 444.5 |
No | IADC Code | Recommendation |
WOB(KN/mm) | Rotary Speed(rpm) |
1 | 117 | 0.35~0.8 | 240~80 |
2 | 127 | 0.35~0.9 | 240~70 |
3 | 437 447 | 0.35~0.9 | 240~70 |
4 | 517 527 | 0.35~1.0 | 220~60 |
5 | 537 547 | 0.45~1.0 | 220~50 |
6 | 617 627 | 0.45~1.1 | 200~50 |
7 | 637 | 0.5~1.1 | 180~40 |
Note:
1.Large inventory on hand
2.Good quality and after-sale service
3.Can be customized