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:
Apr. 22, 2014
Filed:
Jun. 17, 2004
Applicants:
Keijo J. Kinnari, Myklaberglia, NO;
Kjell Morisbak Lund, Stavanger, NO;
Atle Harald Børnes, Fyllingsdalen, NO;
Catherine Labes-carrier, Hafrsfjord, NO;
Inventors:
Keijo J. Kinnari, Myklaberglia, NO;
Kjell Morisbak Lund, Stavanger, NO;
Atle Harald Børnes, Fyllingsdalen, NO;
Catherine Labes-Carrier, Hafrsfjord, NO;
Assignee:
Statoil Petroleum AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/15 (2006.01); E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method and system for direct electric heating of a pipeline to contribute to removal or hindrance of plugs of ice and optionally hydrates, distinguished in that heating takes place to a temperature above the ice melting point, but below the hydrate melting point.