Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Wilson Anderson0
Jan Erik Vollebregt0
Johannis Josephus Den Boer0
Klisthenis Dimitriadis0
Anthony Thomas Cole0
Djurre Hans Zijsling0
Date of Patent
February 27, 2007
Patent Application Number
10621631
Date Filed
July 17, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of joining expandable tubulars includes joining the tubulars by forge welding and flushing a reducing flushing gas around the heated tubular ends during at least part of the forge welding operation such that oxides are removed from the forge welded tubular ends and the amount of irregularities between the forge welded tubular ends is limited.
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