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.:
Date of Patent:
Apr. 13, 2021
Filed:
Oct. 11, 2017
Applicant:
National Oilwell Varco Denmark I/s, Brondby, DK;
Inventor:
Jens Rordam Thomsen, Copenhagen O, DK;
Assignee:
NATIONAL OILWELL VARCO DENMARK I/S, Brondby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01);
U.S. Cl.
CPC ...
E21B 17/017 (2013.01);
Abstract
An offshore installation comprising a riser pipe and a bend stiffener. The riser pipe comprises a flexible pipe body having a pipe length and an end fitting and the riser has a longitudinal pipe axis. The bend stiffener comprises a helically shaped body arranged to surround a stiffened length section of the flexible pipe body. The bend stiffener has a root end and a far end, wherein the root end is closer to the end fitting than the far end and the root end is locked at an axial distance to the end fitting, determined along the longitudinal pipe axis.