Zenith™ 4 3/4″ Rotary Steerable System (RSS)
Product Overview
The Zenith™ 4 3/4″ RSS brings advanced wellbore steering to slimhole and directional drilling environments. Delivering exceptional build rates with energy-efficient pad design and superior downhole control.
Key Features
- Effective directional drilling up to 160 RPM
- Real-time toolface, survey, and diagnostics
- Mud-powered operation with onboard backup battery
- Ready for high dogleg sliding and rotating applications
- Field-serviceable wear parts require no return to base
Applications & Drilling Scenarios
- Slim bore sidetracks
- Onshore directional land wells
- High DLS build programs with tight targets
Advantages
- Industry-leading rotating DLS of 18°/100’
- Independent pad control ensures continuous steering even under partial failure
Technical Specifications
Operational Parameters
| Parameter | Specification |
|---|---|
| Build Rate | 10°/100' (10°/30 m) |
| Max Rotary Speed | 160 RPM |
| Weight on Bit (WOB) | Bit Limited |
| Flow Rate (Max) | 450 GPM |
| Torque | 10,000 ft-lbs |
| Pressure Drop @ Bit | 250–500 PSI |
| Max Temperature | 150°C |
Mechanical Specifications
| Feature | Specification |
|---|---|
| Tool OD | 4 3/4" |
| Length / Weight | 33 ft / 1400 lbs |
| Hole Sizes | 5 7/8" – 6 1/8" |
Survivability
| Property | Value |
|---|---|
| DLS (Sliding) | 15°/100' |
| DLS (Rotating) | 18°/100' |
| Overpull | 300,000 lbs |