8 1/2 inch Tricone Rock Bit – IADC 117
Short Description215.9 mm IADC 117 tricone rock bit with a 4 1/2 API REG connection.
Rock Bits
8 1/2 inch Tricone Rock Bit – IADC 117
215.9 mm IADC 117 tricone rock bit with a 4 1/2 API REG connection.
ÜRÜN AÇIKLAMASI
8 1/2 inch Tricone Rock Bit – IADC 117 is a three-cone drilling bit with a nominal diameter of 215.9 mm and a 4 1/2 API REG connection. The IADC 117 class identifies a Milled steel tooth cutting structure and Gauge-protected sealed journal bearing arrangement for very soft and soft formations.
The reference operating range is 40–300 RPM with 40–230 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 | 8 1/2 inch / 215.9 mm |
| IADC code | 117 |
| Cutting structure | Milled steel tooth |
| Formation class | Very soft and soft formations |
| Bearing arrangement | Gauge-protected sealed journal bearing |
| Connection | 4 1/2 API REG |
| Reference rotary speed | 40–300 RPM |
| Recommended WOB | 40–230 kN |
| Circulation / nozzles | Combined / 4 |
| Reference make-up torque | 16–22 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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