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9 5/8″ MR832 Tricone Bit
IADC 832 · Φ244.5mm · 65kg · 6 5/8″ API
Cutting structure & formations
Gage rows: Conical. Inner rows: Conical. For hard formations with high compressive strength.
ORIGINAL · EN Ovoid on gage, ovoid on inner rows. Designed for extremely hard and abrasive formations with high compressive strengths such as magnetite quartzite, quartzite, granite.
Shirttail protection
Hardmetal and wear resistant carbide on shirttail lip and lug.
ORIGINAL · EN Hardmetal and wear resistant carbide on shirttail lip and lug.
- Diameter 9 5/8″ / Φ244.5 mm, weight 65 kg
- Connection 6 5/8″ API, bearing Roller-Ball-Roller-Thrust Button/Open Bearing
- WOB 48,125–77,000 lbs, rotary speed 50–80 rpm
Technical parameters
| Model | MR832 |
|---|---|
| IADC code | 832 |
| Diameter | 9 5/8″ / Φ244.5mm |
| Thread | 6 5/8″ API |
| Weight | 65 kg |
| Bearing type | Roller-Ball-Roller-Thrust Button/Open Bearing |
| Circulation | Jet Air |
| Inner row teeth | Ovoid |
| Gage row teeth | Ovoid |
| Gage bevel protection | Flat-top |
Operating suggestions
Actual parameters must be set per application
| Weight on bit | 48,125–77,000 lbs |
|---|---|
| Rotary speed | 50–80 rpm |
| Air back pressure | 0.2–0.4 MPa |
| Formation strength | 55,000–66,000 Psi |
