Title:
耐ゴーリング性被覆を有する管状部材
Document Type and Number:
Japanese Patent JP4267458
Kind Code:
B2
Abstract:
A tubular member 12 having an internal and/or external metal thread 18, 20 at one end thereof, at least part of the thread 18, 20 being coated with an alloy of copper and tin, said alloy containing 5 wt % to 95 wt % copper. The tubular member 10 can be combined with another tubular member 14, 16 to provide a threaded connection 10 having improved galling resistance.
Inventors:
Richard J. Geise
Michael G. Edwards
Michael G. Edwards
Application Number:
JP2003560274A
Publication Date:
May 27, 2009
Filing Date:
December 20, 2002
Export Citation:
Assignee:
Hunting Oilfield Services Uk Limited
MPP Eastern Limited
MPP Eastern Limited
International Classes:
E21B43/00; F16L15/04; C22C9/02; C22C38/00; C22C38/20; C25D3/58; C25D3/60; C25D7/00; F16B33/06; F16J15/12; F16L15/00; F16L58/08; F16L58/18
Foreign References:
| US5413756 | ||||
| US4872515 | ||||
| US6305723 |
Attorney, Agent or Firm:
Toru Ishikawa