12 1/4 inch Tricone Rock Bit – IADC 737
Short Description311.2 mm IADC 737 tricone rock bit with a 6 5/8 API REG connection.
Rock Bits
12 1/4 inch Tricone Rock Bit – IADC 737
311.2 mm IADC 737 tricone rock bit with a 6 5/8 API REG connection.
ÜRÜN AÇIKLAMASI
12 1/4 inch Tricone Rock Bit – IADC 737 is a three-cone drilling bit with a nominal diameter of 311.2 mm and a 6 5/8 API REG connection. The IADC 737 class identifies a Tungsten carbide insert (TCI) cutting structure and Gauge-protected sealed journal bearing arrangement for hard, abrasive formations.
The reference operating range is 40–180 RPM with 190–350 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 | 12 1/4 inch / 311.2 mm |
| IADC code | 737 |
| Cutting structure | Tungsten carbide insert (TCI) |
| Formation class | Hard, abrasive formations |
| Bearing arrangement | Gauge-protected sealed journal bearing |
| Connection | 6 5/8 API REG |
| Reference rotary speed | 40–180 RPM |
| Recommended WOB | 190–350 kN |
| Circulation / nozzles | Side / 3 |
| Reference make-up torque | 38–43 kN·m |
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Tricone sondaj matkabı; su kuyusu, maden ve jeotermal sondaj uygulamalarında farklı kaya formasyonlarının delinmesi için kullanılan üç konili döner bir rock bit çeşididir.
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