Definition(s)
Drive-Off
The maximum uplift force during spudcan extraction
Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards
Drive-Off
Unintended movement of a dynamically positioned vessel off location driven by the vessel’s main propulsion or station-keeping thrusters.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards
Drive-Off
An unintended lateral move of a dynamically positioned vessel off its location driven by the vessel’s main propulsion or station keeping thrusters.
Source: API SPEC 16D, Specification for Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment, Upstream Segment, Second Edition, July 2004. Global Standards
Drive-Off
Unintended move of a dynamically positioned vessel off location driven by the vessel’s main propulsion or stationkeeping thrusters.
Source: ISO 13624-1:2009, Petroleum and natural gas industries – Drilling and production equipment – Part 1:Design and operation of marine drilling riser equipment. Global Standards