6 1/4 inch Tricone Rock Bit – IADC 512
Kısa Tanıtım158.8 mm IADC 512 tricone rock bit with a 3 1/2 API REG connection.
Rock Bits
6 1/4 inch Tricone Rock Bit – IADC 512
158.8 mm IADC 512 tricone rock bit with a 3 1/2 API REG connection.
ÜRÜN AÇIKLAMASI
6 1/4 inch Tricone Rock Bit – IADC 512 is a three-cone drilling bit with a nominal diameter of 158.8 mm and a 3 1/2 API REG connection. The IADC 512 class identifies a Tungsten carbide insert (TCI) cutting structure and Air-cooled open bearing arrangement for soft to medium-hard formations.
The reference operating range is 60–115 RPM with 20–110 kN recommended weight on bit. Poor bottom-hole cleaning causes cuttings to be reground, raises heat and shortens cutter life. Final operating values must be checked against the formation, rig capacity and circulation conditions on site.
TECHNICAL SPECIFICATIONS
| Product type | Three-cone tricone rock bit |
|---|---|
| Nominal diameter | 6 1/4 inch / 158.8 mm |
| IADC code | 512 |
| Cutting structure | Tungsten carbide insert (TCI) |
| Formation class | Soft to medium-hard formations |
| Bearing arrangement | Air-cooled open bearing |
| Connection | 3 1/2 API REG |
| Reference rotary speed | 60–115 RPM |
| Recommended WOB | 20–110 kN |
| Circulation / nozzles | Side / 3 |
| Reference make-up torque | 9.5–12 kN·m |
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