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. 22, 2014
Filed:
Apr. 20, 2007
Applicants:
Tricia Hill, Katy, TX (US);
Yanqiu Zhang, Houston, TX (US);
Inventors:
Tricia Hill, Katy, TX (US);
Yanqiu Zhang, Houston, TX (US);
Assignee:
Wellstream International Limited, Newcastle-upon-Tyne, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A riser assembly and method for providing buoyancy to a riser assembly are disclosed. The riser assembly which is of the type for transporting fluids from a sub-sea flowline to a floating structure comprises a first segment of flexible pipe, a further segment of flexible pipe and a rigid buoyancy support for providing at least one buoyancy element at the support.