About us
Hejian Wanxiang Drilling Equipment Co., Ltd is a professional manufacturer & distributor of drilling tools and equipment in China.
We have many years' experience in research and production of petroleum equipment. With flexible company structures and advanced technologies, we have dedicated ourselves to supplying drilling industry with the best products available.
We take pride in offering prompt, courteous services to all facets of oilfield, water well, mining and construction industries.
We take pride in offering prompt, courteous services to all facets of oilfield, water well, mining and construction industries.
Features and applications
1. Force balanced Cutting structure.
2.Symmetrical blade design.
3.Better load burden balance.
4.Higher stabiltiy.
5.Better steel and longer stable drilling hours.
6.Optimized profile and higher rate of penetration.
7.Better hydralic system.
8.Good gaue protection.
Our advantage
1.Good quality,reasonable price.
2.ISO9001:2000, ,API certified.
3. Timely delivery.
2.ISO9001:2000, ,API certified.
3. Timely delivery.
No | Size 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 |
