Riser pipe with adjustable auxiliary lines
AssigneeIfp
InventorsGérard Papon, Emmanuel Persent
Life of this patent
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Abstract
The riser pipe section comprises a main tube 22 and auxiliary line elements 23 arranged parallel to tube 22. The ends of the main tube comprise connectors 20a and 20b allowing longitudinal stresses to be transmitted. The ends of auxiliary line elements 23 comprise connectors 20c and 20d. Auxiliary line elements 23 consist of two parts 23a and 23b assembled by an adjustment device 23c or 30 allowing the axial length of each auxiliary line element to be adjusted.
Claims18
A riser section comprising a main tube, at least one auxiliary line element arranged substantially parallel to said tube, the main tube comprising connecting means allowing longitudinal stresses to be transmitted and the auxiliary line element comprises linking means, characterized in that the auxiliary line element is made up of two parts assembled by an adjustment device, separate from linking means, allowing to modify the axial length measured between the ends of said auxiliary line element.
Dependencies are inferred from the claim text.