Vibration

Definition(s)


Vibration

In-line and transverse oscillation of the riser string as the result of the periodic shedding of vortices from sea currents.

Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards

Vibration

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

Vibration

Three-dimensional motion a machine exhibits from its static state.

Source: IADC UBO / MPD Glossary, December 2011. Global Standards