| 发明名称 |
METHOD OF JOINING EXPANDABLE TUBULARS |
| 摘要 |
<p>A method of joining expandable tubulars and expanding the joined tubulars comprises joining the tubulars by forge welding and flushing a reducing flushing gas around the heated tubular ends during at least part of the forg e 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 and radially expanding the joined tubulars.</p> |
| 申请公布号 |
CA2492476(A1) |
申请公布日期 |
2004.01.22 |
| 申请号 |
CA20032492476 |
申请日期 |
2003.07.17 |
| 申请人 |
SHELL CANADA LIMITED |
发明人 |
DEN BOER, JOHANNIS JOSEPHUS;COLE, ANTHONY THOMAS;DIMITRIADIS, KLISTHENIS;ZIJSLING, DJURRE HANS;VOLLEBREGT, JAN ERIK;ANDERSON, MARK WILSON |
| 分类号 |
B23K13/00;B23K13/01;B23K20/00;B23K20/02;B23P15/26;(IPC1-7):B23K13/00 |
主分类号 |
B23K13/00 |
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