Joining expandable tubulars

Details Joining expandable tubulars Joining expandable tubulars

2007-02-27

2007-02-27

Bryant, David P. (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S523000, C029S505000, C405S259300, C228S127000, C228S220000, C228S228000

Reexamination Certificate

active

10621631

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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