- Place of Origin: Hebei, China (Mainland)
- Brand Name: Wanxiang
- Model Number: Cover all IADC code
- Type: Drill Bit
- Machine Type: Drilling Equipment
- Certification: API
- Material: Tungsten Carbide
- Processing Type: Forging
- Use: Well Drilling
- Warranty: Service Life: 200hs; Penetration Length: 1000m
Packaging & Delivery
|Packaging Details: ||Wooden cases or as customer's requirements |
|Delivery Detail: ||Within 7-10 days after receipt of payment |
Water well drilling and rig machine/ small oilfield and gas drilling bit
1. Good quality, reasonable price
2. ISO9001: 2000 API
|No ||Bit Size |
|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 |
The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
High precision bearing with two thrust faces. Balls lock the cone. Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and suitable for high rotary speed.
Seal and Lubrication
The advanced metal seal package consists of two metal seats and two elastic energizers. Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force, and achieve the bearing seal. In the drilling, metal seal are relatively dynamic, and the energizers are static. This will improve the reliability and durability of bearing seal. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
It is suitable for downhole motor and high speed applications?
Recommended Drilling Parameter
|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 |