发明名称 |
METHOD OF CONTROLLING CORROSION RATE IN DOWNHOLE ARTICLE, AND DOWNHOLE ARTICLE HAVING CONTROLLED CORROSION RATE |
摘要 |
A method of removing a downhole assembly comprises contacting, in the presence of an electrolyte, a first article comprising a first material and acting as an anode, and a second article comprising a second material having a lower reactivity than the first material and acting as a cathode, the downhole assembly comprising the first article in electrical contact with the second article, wherein at least a portion of the first article is corroded in the electrolyte. |
申请公布号 |
WO2013022635(A2) |
申请公布日期 |
2013.02.14 |
申请号 |
WO2012US48792 |
申请日期 |
2012.07.30 |
申请人 |
BAKER HUGHES INCORPORATED;MAZYAR, OLEG, A.;JOHNSON, MICHAEL;GAUDETTE, SEAN |
发明人 |
MAZYAR, OLEG, A.;JOHNSON, MICHAEL;GAUDETTE, SEAN |
分类号 |
E21B41/02;E21B43/27 |
主分类号 |
E21B41/02 |
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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