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. 16, 2006
Filed:
May. 06, 2003
Applicant:
Roger Stave, Knarrevik, NO;
Inventor:
Roger Stave, Knarrevik, NO;
Assignee:
AGR Subsea AS, Straume, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/00 (2006.01); E21B 23/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a device for removing a hydrate plug () from a pipeline (), wherein a pig (), which is connected to an umbilical () extending to surface, is displaced down into the pipeline () until proximity of the hydrate plug (), after which a fluid arranged with hydrate-plug-dissolving properties is pumped through the umbilical ().