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:
Mar. 03, 1987
Filed:
Sep. 14, 1984
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166355 ; 166359 ;
Abstract
A circular guide table is provided for a marine production riser comprising an opening for the central tube having a ball joint allowing angular movement of the tube in any direction with respect to the table and two radial arms offset from each other by an angle close to 90.degree. fixed to the table and whose ends each support a sliding device, such as a roller carriage capable of sliding along vertical rails fixed to the platform. The table is formed from an inner collar in the form of a hub to which are fixed spokes between which the peripheral production stringers pass, the opposite ends of the spokes being joined together by an external collar provided with radial arms.