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:
May. 23, 2006
Filed:
Oct. 21, 2002
Applicant:
Stéphane Anres, Versailles, FR;
Inventor:
Stéphane Anres, Versailles, FR;
Assignee:
Saipem S.A., Montigny Le Bretonneux, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 5/10 (2006.01); E21B 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A guide device suitable for use in an offshore drilling installation having at least one drilling riser extending from a floating support to the guide device on the seabed. The guide device includes a guide pipe in a buried position, wherein the guide pipe has a front end resting horizontally on the seabed, a curved intermediate portion buried in the subsoil of the seabed at a radius of curvature preferably being greater than 500 m, and an inclined substantially linear rear portion at the rear end of the guide pipe buried in the subsoil of the seabed at a given angle of inclination lying in the range 50° to 60°.