Description
Applicable Conditions
- Formations: Soft Formation of Low Crushing Resistance and High Drillability
- Drilling Condition:
- Rotary Drilling
Bit Specifications
| Parameter | Specification |
|---|---|
| Bit Size | 17 1/2″ (444.5 mm) |
| Model / Type | LW117G |
| IADC Code | 117 |
| Bearing Type | Rolling Bearing |
| Total Teeth Count | 91 |
| Gage Row Teeth Count | 46 |
| Number of Gage Rows | 3 |
| Number of Inner Rows | 5 |
| Journal Angle | 33° |
| Offset | 11 mm |
| API Connection | 7 5/8″ Reg. Pin |
| Features | G: Extra Gauge Protection, Central nozzle |
General Operating Parameters
| Parameter | Recommended Range |
|---|---|
| Weight on Bit (WOB) | 90 – 200 KN |
| Rotary Speed (RPM) | 120 – 50 RPM |
| Recommended Upper Torque | 46.1 – 54.2 KN·m |
