| 发明名称 |
PROCESS TO CONTROL IRON IN OIL AND GAS APPLICATIONS USING A CHELATING AGENT |
| 摘要 |
The present invention relates to a process to control iron in a subterranean formation wherein a fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) is introduced into the formation at a temperature between 77 and 400°F (about 2 and 204°C). The invention also covers a process of treating a subterranean formation wherein simultaneously iron control takes place. |
| 申请公布号 |
CA2820918(A1) |
申请公布日期 |
2012.06.21 |
| 申请号 |
CA20112820918 |
申请日期 |
2011.12.14 |
| 申请人 |
AKZO NOBEL CHEMICALS INTERNATIONAL B.V. |
发明人 |
NASR-EL-DIN, HISHAM;LEPAGE, JAMES N.;DE WOLF, CORNELIA ADRIANA;NASR-EL-DIN MAHMOUD, MOHAMED AHMED;ASSEM, AHMED ISSAM ELSAYED SALAMA |
| 分类号 |
C09K8/60;C09K8/035;C09K8/528;C09K8/54;C09K8/72;C09K8/74;C09K8/86 |
主分类号 |
C09K8/60 |
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