TUBULAR THREADED MEMBER WITH DRY PROTECTION COATING
摘要
<p>A tubular threaded element including a dry protective coating. The coating includes a solid matrix adhering to the substrate in which there are dispersed particles of at least one solid lubricant belonging to one and the same class. The solid matrix is lubricating and has a rheological behaviour of plastic or viscoplastic type. The coating protects the threadings of the threaded elements, used for example in hydrocarbon wells, from corrosion and galling.</p>
申请公布号
EP2150740(A1)
申请公布日期
2010.02.10
申请号
EP20070731294
申请日期
2007.04.13
申请人
VALLOUREC MANNESMANN OIL & GAS FRANCE;SUMITOMO METAL INDUSTRIES, LTD.
发明人
BORDET, LAURENT;GILLOT, LAURENT;PINEL, ELIETTE;GARD, ERIC