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Model Number: 15 1/2 S135G(IADC:135)
Brand Name: TRANSTONE
Key Specifications/Special Features:
Cutting structure:Wear-resistant of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bitDurability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bitGauge structure:Multiple gaugeprotection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing lifespan
Bearing structure:
Balls lock the cone:
Seal and lubrication:
Product applications:
- High precision rollerbearing with two thrust faces
- Thrust faces hardfaced with wear resistant alloy
- Abrasion resistance and seizure resistance of the bearing are improved
- Premium HNBR O-ring, optimal seal compression and curved seal structure can enhance the seal performance
- Pressure compensator system and advanced grease can greatly increase the lubricating reliability
- It is suitable for various formations and achieves high RPM under low to medium WOB application
| Size (in) | Size (mm) | IADC | WOB (kN/mm) | RPM (r/min) | Applicable Formations |
| 15 1/2 | 393.7 | 135 | 0.3-0.95 | 150-60 | Soft to medium soft formations with low compressive strength and high drillability, such as medium soft shale, anhydrite, medium soft limestone, medium soft sandstone, soft formation with harder interbed |
Shipping Information:
- Lead Time: 10 - 60 days
Main Export Markets:
- Asia
- Central/South America
- Eastern Europe
- Mid East/Africa