Riser element with integrated auxiliary pipes
First Claim
1. A riser pipe element comprising a main tube comprising a plurality of elements, connection means connecting ends of the elements of the main tube, at least one auxiliary pipe length each comprising a plurality of sections arranged substantially parallel to said main tube, wherein said connection means are subjected to tension stresses, and fastening means securing adjacent ends of sections of said auxiliary pipe length to said connection means so as to distribute tension stresses in the main tube and the auxiliary pipe when the riser pipe element is tensioned.
1 Assignment
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Accused Products
Abstract
The present invention relates to a riser pipe element comprising a main tube (5), connection means (2) at both ends, at least one auxiliary pipe length (4) arranged substantially parallel to the tube. The auxiliary pipe length is secured at both ends to the connection means of the main tube so that the longitudinal mechanical stresses to which the connection means are subjected are distributed in the tube and in the pipe.
35 Citations
9 Claims
- 1. A riser pipe element comprising a main tube comprising a plurality of elements, connection means connecting ends of the elements of the main tube, at least one auxiliary pipe length each comprising a plurality of sections arranged substantially parallel to said main tube, wherein said connection means are subjected to tension stresses, and fastening means securing adjacent ends of sections of said auxiliary pipe length to said connection means so as to distribute tension stresses in the main tube and the auxiliary pipe when the riser pipe element is tensioned.
Specification