发明名称 |
TUBULAR THREADED ELEMENT PROVIDED WITH A DRY PROTECTIVE COATING |
摘要 |
A tubular threaded element including a dry protective coating. The coating includes a solid matrix adhering to the substrate in which are dispersed particles of solid lubricants from at least two classes that are selected to exert a synergistic effect between themselves and with the constituents of the matrix, i.e. coating provides protection against corrosion and against galling of the threadings of threaded elements used in hydrocarbon wells.
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申请公布号 |
US2009220780(A1) |
申请公布日期 |
2009.09.03 |
申请号 |
US20060089467 |
申请日期 |
2006.10.04 |
申请人 |
VALLOUREC MANNESMANN OIL & GAS FRANCE;SUMITOMO METAL INDUSTRIES, LTD. |
发明人 |
BORDET LAURENT;GILLOT LAURENT;PINEL ELIETTE;GARD ERIC |
分类号 |
B32B9/00;B05D1/08;B05D3/00;B05D3/02;C10M125/02;C10M131/02;C10M139/06;C10M155/02 |
主分类号 |
B32B9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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