Institut Francais Du Pe'trole

Cédric Le Cunff

Daniel Averbuch

Marie-Hélène Klopffer

Yann Creff

Jean Levine

Francis Biolley

Claude Putot

Rida Sabri

The present invention relates to a method and to a system for limiting vortex-induced vibrations on a riser suspended at one end from a support and subjected to substantially transverse fluid flows. The system comprises suspension means () for hanging the riser from the support, which include displacement means for moving the end in a transverse direction in relation to the principal axis of the riser.

System and method for limiting vortex-induced vibrations on an offshore production riser

Method intended for automatic control of an underwater pipe for connecting the lower end of the pipe to a wellhead, wherein the following stages are carried out:

Automatic control methods for positioning the lower end of a filiform structure, notably an oil pipe, at sea

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Paris, France

Cédric Le Cunff