National Oilwell Varco Datasheets for Top Drives

Top drives are suspended mechanical devices that provide torque to the drill string and serve as an alternative to the use of a Kelly drive or rotary table.
Top Drives: Learn more

Product Name Notes
Hydraulic Top Drives Hydraulic Top Drives We offer a premier line of hydraulic top drive drilling systems for today's advanced land drilling rigs. We continue to provide low maintenance, high performance, hydraulic top...
Portable Electric Top Drives Portable Electric Top Drives We offer the premier line of top drive drilling systems for today's advanced land drilling rigs. We lead the development of AC technology for land drilling...