发明名称 CORRODIBLE DOWNHOLE ARTICLE AND METHOD OF REMOVING THE ARTICLE FROM DOWNHOLE ENVIRONMENT
摘要 A method of removing a corrodible downhole article having a surface coating includes eroding the surface coating by physical abrasion, chemical etching, or a combination of physical abrasion and chemical etching, the surface coating comprising a metallic layer of a metal resistant to corrosion by a corrosive material.
申请公布号 WO2012174101(A2) 申请公布日期 2012.12.20
申请号 WO2012US42236 申请日期 2012.06.13
申请人 BAKER HUGHES INCORPORATED;MAZYAR, OLEG, A.;MCCOY, MATTHEW, T. 发明人 MAZYAR, OLEG, A.;MCCOY, MATTHEW, T.
分类号 E21B17/01;E21B4/06 主分类号 E21B17/01
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