发明名称 COMPOSANT FILETE TUBULAIRE RESISTANT AU GRIPPAGE ET PROCEDE DE REVETEMENT D'UN TEL COMPOSANT
摘要 <p>A galling-resistant threaded tubular component for drilling or operating hydrocarbon wells includes at one of its ends a threaded zone produced on its external or internal peripheral surface depending on whether the threaded end is male or female in type, with at least one portion of the threaded zone being coated with a dry film with a crystalline structure with a high specific surface area principally constituted by one or more mineral salts which are not reactive towards metals, and a process for coating such a component using a dry mineral film with a crystalline structure having a high specific surface area principally constituted by one or more mineral salts which are not reactive towards metals.</p>
申请公布号 FR2950667(B1) 申请公布日期 2011.12.16
申请号 FR20090004659 申请日期 2009.09.30
申请人 VALLOUREC MANNESMANN OIL & GAS FRANCE 发明人 PINEL ELIETTE;GARD ERIC
分类号 F16L58/18;C09D1/00;E21B17/042;F16B33/06;F16L15/00 主分类号 F16L58/18
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