Downloads
Each page below is the HTML record for one English PDF already on this site. Catalog and services come first. Site contact supersedes older lines on a print cover.
Last reviewed 2026-10-27 (Asia/Shanghai)
Catalog and services
Electric drive
- Electric drive control overview
- DC control system
- ROSS HILL 1400 control
- VFD control system
- Top drive control
- Mud pump control
- Workover rig drive
Power, motors, and automation
- Power supply control
- Drilling motors overview
- DC motor
- AC motor
- Direct-drive permanent-magnet motor
- Electrified retrofit
- Automated drilling overview
- Automated drilling control
- Integrated instruments
- Electric-drive fracturing