Abstract: A bottom-to-surface link with at least one underwater pipe having a portion with a substantially constant diameter and one or more floats in a string, the floats constituting cans surrounding the pipe and being located in a float zone around the top underwater portion of the pipe. The pipe is held at the surface by a guide device, preferably on a floating float support. The link includes at least one stabilizer situated in the top portion of the pipe. The link is arranged so that the bottom portion of the float zone, is preferably on or level with the lowest float and a transition zone is between the floats and the substantially constant diameter portion of the pipe.

Abstract: A bottom-to-surface link comprising at least one underwater pipe (1) having at least one float (2), preferably a plurality of floats in a string, said floats constituting cans surrounding said pipe (1) and being located in the top underwater portion of the pipe, said pipe being held at the surface by a guide device, preferably on a floating float support (15).