发明名称 Tubing expansion
摘要 A tubing expansion device is adapted to be advanced axially, without rotation, through tubing to be expanded. The device comprises a body and a plurality of expansion members mounted on the body, the expansion members being independently radially movable. The expansion members may be rotatable, or may be non-rotating.
申请公布号 US8075813(B2) 申请公布日期 2011.12.13
申请号 US20060567108 申请日期 2006.12.05
申请人 STEPHENSON DAVID;ADAMS GRANT;GRANT DAVID H.;SIMPSON NEIL ANDREW ABERCROMBIE;WEATHERFORD/LAMB, INC. 发明人 STEPHENSON DAVID;ADAMS GRANT;GRANT DAVID H.;SIMPSON NEIL ANDREW ABERCROMBIE
分类号 E04B1/16;B21D39/08;E21B43/10 主分类号 E04B1/16
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