Definition(s)
False Rotary
Component that sits on the drilling rotary and provides a slip profile for single, dual or triple tubing strings. NOTE This allows the workover control system umbilical to feed into the drilling riser without interfering with the slips.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards