Oil & Gas Exploration
Brushless servo motors for downhole applications – proven in 20,000+ installations
WITTENSTEIN cyber motor delivers high-performance brushless DC servo motors engineered for the most demanding downhole environments. Designed for extreme conditions, our motors are trusted in over 20,000 installations across applications such as:
- Rotary Steerable Systems (RSS)
- Power Generation
- Pulser
- Measurement While Drilling (MWD)
- Logging While Drilling (LWD)
- Wireline Tools
- Downhole Tractors
- Coiled Tubing Systems
- Completion (e.g., Valve Actuators)
Strategic partner for China
Our components for downhole and topside applications
Explosion proof motors and actuators
Zone 1 & 2
Special features:
• IECEx certificated solutions with scalable torque and speed option
• Existing solutions as well as customized versions
• Voltage up to 560V
• Certified and tested for operating ambient temperatures up to 80°C
Brushless DC Motor with Hydraulic Pump Interface
(e.g. Rotary Steerable System)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable high temperature/high pressure winding protection
• Interface for micro-hydraulic (e.g. Bieri)
Frameless Brushless DC Motor
(e.g. Alternator, MWD, Wireline)
Special features:
• Rotor and Stator as kit
• Maximized compactness
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable HT/HP 3-fold winding protection
Small linear BLDC actuator (22mm & 30mm)
(e.g. Flow Control)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable high temperature/high pressure winding protection
• Wide choice of feedback, gear, screw, front indexer options
Small BLDC motor/actuator
(e.g. Wireline Applications)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable HT/HP winding protection
• Wide choice of feedback & gear options
• Hollow Shaft Option
Zero-Speed Sensorless Control
Special features:
• No feedback device needed
• Full torque @ zero-speed
• Position control @ zero-speed
Maintenance & Service
• Customer-specific maintenance schedules
• Detailed documentation regarding condition and expected service life
• Regular maintenance of your drive through systematic replacement of wearing parts
• Proactive approach minimizes risk of failure and prevention of unplanned downtimes
Explosion proof motors and actuators
Zone 1 & 2
Special features:
• IECEx certificated solutions with scalable torque and speed option
• Existing solutions as well as customized versions
• Voltage up to 560V
• Certified and tested for operating ambient temperatures up to 80°C
Brushless DC Motor with Hydraulic Pump Interface
(e.g. Rotary Steerable System)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable high temperature/high pressure winding protection
• Interface for micro-hydraulic (e.g. Bieri)
Frameless Brushless DC Motor
(e.g. Alternator, MWD, Wireline)
Special features:
• Rotor and Stator as kit
• Maximized compactness
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable HT/HP 3-fold winding protection
Small linear BLDC actuator (22mm & 30mm)
(e.g. Flow Control)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable high temperature/high pressure winding protection
• Wide choice of feedback, gear, screw, front indexer options
Small BLDC motor/actuator
(e.g. Wireline Applications)
Special features:
• >350 F & 30K PSI operating ambient conditions
• Proven shock & vibration resistant design
• Most reliable & durable HT/HP winding protection
• Wide choice of feedback & gear options
• Hollow Shaft Option
Zero-Speed Sensorless Control
Special features:
• No feedback device needed
• Full torque @ zero-speed
• Position control @ zero-speed
Maintenance & Service
• Customer-specific maintenance schedules
• Detailed documentation regarding condition and expected service life
• Regular maintenance of your drive through systematic replacement of wearing parts
• Proactive approach minimizes risk of failure and prevention of unplanned downtimes
Key features:
- Outer diameter: 22 – 76.2 mm (0.87 – 3 inches)
- Voltage range: 48 – 800 VDC
- Operating conditions: Up to 450 °F (232 °C) / 35,000 PSI (2,413 bar)
- Submersible in hydraulic oil
- Robustness: high shock & vibration resistance
With a proven portfolio and a team of experienced engineers, we ensure rapid customization and integration to meet your specific application requirements.
