发明名称 Flash welding process for field joining of tubulars for expandable applications
摘要 The present invention generally relates to methods of connecting two expandable tubulars. In one aspect, the method includes flash welding the ends of the expandable tubulars together. Thereafter, the connected tubulars are lowered into the wellbore for expansion. The flash welding process provides a highly reliable joint for expansion.
申请公布号 US2004149439(A1) 申请公布日期 2004.08.05
申请号 US20030356360 申请日期 2003.01.31
申请人 BADRAK ROBERT P. 发明人 BADRAK ROBERT P.
分类号 B23K11/04;E21B17/08;E21B43/10;(IPC1-7):E21B43/10;E21B19/00 主分类号 B23K11/04
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