发明名称 |
IMPROVED CORROSION RESISTANCE WHEN USING CHELATING AGENTS IN CARBON STEEL-CONTAINING EQUIPMENT |
摘要 |
<p>The present invention relates to the use of solutions containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) in treating subterranean formations, wherein the solutions contact carbon steel-containing equipment, and to a system containing a carbon steel-containing material in contact with a solution containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), at elevated temperatures and/or employing carbon steel types as usually found in subterranean formations.</p> |
申请公布号 |
CA2863454(A1) |
申请公布日期 |
2013.08.22 |
申请号 |
CA20132863454 |
申请日期 |
2013.02.11 |
申请人 |
AKZO NOBEL CHEMICALS INTERNATIONAL B.V. |
发明人 |
DE WOLF, CORNELIA ADRIANA;BOUWMAN, ALBERTUS JACOBUS MARIA;NASR-EL-DIN, HISHAM |
分类号 |
C23F11/04;C09K8/54;C09K8/74;C11D3/33;C23F11/14;C23G1/08 |
主分类号 |
C23F11/04 |
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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