About us
Hejian Wanxiang Drilling Equipment Co.,Ltd is a professional manufacturer &distributor of drilling tools and equipment in China.
We have many years' experiencein research and production of petroleum equipment. With flexible companystructures and advanced technologies, we have dedicated ourselves to supplyingdrilling industry with the best products available.
We takepride in offering prompt, courteous services to all facets of oilfield, waterwell, mining and construction industries.
We takepride in offering prompt, courteous services to all facets of oilfield, waterwell, mining and construction industries.
Features andapplications
1. Tungsten carbide hardfacingon tooth surface
2.Optimized profile and higher rateof penetration.
3.Better steel and longer stabledrilling hours.
4. Good wear-resistance
5.Higher stabiltiy.
Ouradvantage
1.Good quality,reasonableprice.
2.ISO9001:2000, ,APIcertified.
3.Timely delivery.
2.ISO9001:2000, ,APIcertified.
3.Timely delivery.
Available size
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 |
