The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8231308 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 31, 2012

Filed:

Jun. 16, 2006
Applicant:

Vincent Marcel Ghislain Alliot, Paris, FR;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 23/02 (2006.01); E02D 23/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of installing a subsea structure, such as a hybrid riser tower, is disclosed. The riser tower includes a main portion and a buoyancy portion. When installed, the riser tower extends substantially from the seabed towards the surface with the buoyancy portion attached at a top end. The method includes taking the riser tower to an installation site in a substantially horizontal configuration with the main portion containing a first fluid and the buoyancy portion containing a second fluid, the second fluid being more dense than the first fluid. Then, tilting of the riser tower is performed such that it takes a substantially vertical configuration by allowing the first fluid in the elongate portion to interchange with the second fluid in the buoyancy portion. Also disclosed is a suitable apparatus for performing the method.


Find Patent Forward Citations

Alliot, Vincent Marcel Ghislain. (2012). Hybrid riser tower and method of installation thereof (U.S. Patent No. 8231308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8231308

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