<p>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.</p>
申请公布号
AU2003254369(A1)
申请公布日期
2004.02.02
申请号
AU20030254369
申请日期
2003.07.17
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
MARK, WILSON ANDERSON;JOHANNIS, JOSEPHUS DEN BOER;ANTHONY, THOMAS COLE;KLISTHENIS DIMITRIADIS;JAN, ERIK VOLLEBREGT;DJURRE, HANS ZIJSLING