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:
Nov. 11, 2014
Filed:
Dec. 01, 2008
Gérard Papon, Les Essarts le Froi, FR;
Emmanuel Persent, Croissy sur Seine, FR;
Gérard Papon, Les Essarts le Froi, FR;
Emmanuel Persent, Croissy sur Seine, FR;
IFP Energies Nouvelles, Cedex, FR;
Abstract
A riser pipe section () is disclose for offshore well drilling operations comprising a main tube element () having as an extension a male connector element () and a female connector element () comprising a first series of tenons. At least one auxiliary tube element () is secured to the male connector element () and to the female connector element () so that the main tube element () and the auxiliary tube element () jointly transmit tensile stresses between the male connector element () and the female connector element (). A locking ring is mounted on the male connector element and the ring comprises a second series of tenons.