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. 13, 2007
Filed:
Nov. 13, 2003
Applicant:
Magne Mathias Moe, Harstad, NO;
Inventor:
Magne Mathias Moe, Harstad, NO;
Assignee:
National Oilwell Norway AS, Stavanger, NO;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for tensioning and relieving production tubing () extending from a subsea hydrocarbon well () up through a riser () to a floating installation (), a continuous production tubing extension () passing through a telescopic unit () in the upper part of the riser (), preferably extending above a production deck () on the floating installation (), where the production tubing () is provided with a tubing tensioner unit () below and in the proximity of the lower end of the telescopic unit ().