Electric heating – Inductive heating – With heat exchange
Reexamination Certificate
2005-09-06
2005-09-06
Leung, Philip H. (Department: 3742)
Electric heating
Inductive heating
With heat exchange
C219S635000, C219S665000, C219S388000, C392S314000, C138S149000
Reexamination Certificate
active
06940054
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.
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Knobbe Martens Olson & Bear LLP
Kvaerner Oilfield Products AS
Leung Philip H.
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