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.

Date of Patent:
Dec. 09, 2014

Filed:

Sep. 21, 2009
Applicant:

Jean-luc Bernard Legras, Houston, TX (US);

Inventor:

Jean-Luc Bernard Legras, Houston, TX (US);

Assignee:

Acergy France SA, Suresnes, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/012 (2013.01); E21B 17/1035 (2013.01);
Abstract

Disclosed herein is a guide frame () for location at one or more points along the length of a riser tower structure (). The riser tower structure is of a type that has an upper end supported at a depth below the sea surface and has a central core () with one or more conduits () arranged therearound extending from the seabed toward the surface. In use, the guide frame guides the conduit (s) relative to the central core, said guide frame () being attachable to said riser tower structure non-continuously (), thereby not becoming an integral part of said riser tower structure. Also disclosed is a riser tower comprising such guide frames.


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