Description
Applicable Conditions
- Formations: Soft to Medium Hard Formation of Low Crushing Resistance
- Drilling Condition:
- Rotary Drilling
- High Temp. Drilling
- Deep Drilling
- Motor Drilling
Bit Specifications
| Parameter | Specification |
|---|---|
| Bit Size | 12 1/4″ (311.1 mm) |
| Model / Type | LS437G |
| IADC Code | 437 |
| Bearing Type | Journal Bearing |
| Total Insert Count | 92 |
| Gage Row Insert Count | 41 |
| Number of Gage Rows | 3 |
| Number of Inner Rows | 7 |
| Journal Angle | 33° |
| Offset | 9.5 mm |
| API Connection | 6 5/8″ Reg. Pin |
| Features | G: Extra Gauge Protection |
General Operating Parameters
| Parameter | Recommended Range |
|---|---|
| Weight on Bit (WOB) | 109 – 320 KN |
| Rotary Speed (RPM) | 300 – 60 RPM |
| Recommended Upper Torque | 37.93 – 43.3 KN·m |
