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:
Sep. 06, 2005
Filed:
Aug. 18, 2000
Applicant:
Ole A. Heggdal, Finstadjordet, NO;
Inventor:
Ole A. Heggdal, Finstadjordet, NO;
Assignee:
Kvaerner Oilfield Products AS, Lysaker, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B006/10 ; F16L009/19 ;
U.S. Cl.
CPC ...
Abstract
A production/injection line including a production/injection tube and heating apparatus for heating of the production/injection tube. The line also includes insulation and heat conductive material to control the heat transfer from the heating apparatus towards the production/injection tube. A method is also described for supplying heat to a production/injection line in which cooling fluid from a process on an installation is supplied to transport channels extending along a production/injection tube. Methods are also described for manufacturing a production/injection line.