发明名称 |
PROCESS FOR COATING A THREADED TUBULAR COMPONENT, THREADED TUBULAR COMPONENT AND RESULTING CONNECTION |
摘要 |
The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, in which at least a portion of the end (1; 2) is coated with at least one lubricating dry film (12) comprising at least 65% by weight of a polyaryletherketone. The invention also concerns a process for depositing said film (12). |
申请公布号 |
EA024642(B1) |
申请公布日期 |
2016.10.31 |
申请号 |
EA20130070114 |
申请日期 |
2011.11.02 |
申请人 |
VALLOUREC MANNESMANN OIL & GAS FRANCE;NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
GARD Eric;PINEL Eliette;PETIT Mikael;GOUIDER Mohamed |
分类号 |
C10M107/32 |
主分类号 |
C10M107/32 |
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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