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. 08, 2018
Filed:
Feb. 19, 2013
Aker Subsea As, Lysaker, NO;
Ole Johan Bjerknes, Oslo, NO;
Ole A. Heggdal, Finstadjordet, NO;
Aker Solutions AS, Lysaker, NO;
Abstract
A subsea direct electrical heating assembly adapted to heat a hydrocarbon conducting steel pipeline () arranged subsea. The assembly comprises a direct electrical heating cable () extending along and being connected to the steel pipeline () and a power transmission cable () receiving electric power from a power supply () which is arranged onshore or at surface offshore, and which feeds the direct electrical heating cable (). The subsea direct electrical heating assembly comprises a power conditioning arrangement () arranged at a subsea location, in a position between the power transmission cable () and the direct electrical heating cable (). The power transmission cable () extends from the offshore or onshore power supply () and down to the power conditioning arrangement ().