发明公开
- 专利标题： COMPOSITION CONTAINING AN EMULSIFIED CHELATING AGENT AND PROCESS TO TREAT A SUBTERRANEAN FORMATION
- 专利标题（中）： 与用于治疗地层中乳化螯合剂和方法组成
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申请号： EP13728152.3申请日： 2013-06-04
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公开(公告)号： EP2861691A1公开(公告)日： 2015-04-22
- 发明人: NASR-EL-DIN, Hisham , DE WOLF, Cornelia, Adriana , SAYED, Mohammed, Ali, Ibrahim
- 申请人： Akzo Nobel Chemicals International B.V.
- 申请人地址： Stationsstraat 77 3811 MH Amersfoort NL
- 专利权人： Akzo Nobel Chemicals International B.V.
- 当前专利权人： Akzo Nobel Chemicals International B.V.
- 当前专利权人地址： Stationsstraat 77 3811 MH Amersfoort NL
- 代理机构： Akzo Nobel IP Department
- 优先权： US201261661017P 20120618; EP12175056 20120705; PCT/EP2013/058457 20130424
- 国际公布： WO2013189731 20131227
- 主分类号： C09K8/52
- IPC分类号： C09K8/52 ; C09K8/72 ; C09K8/64 ; C09K8/70 ; C09K8/82 ; C09K8/92
摘要：
The present invention relates to a composition containing a dispersed phase emulsified in a continuous phase, wherein at least 5 wt% on total weight of the dispersed phase of the composition is a chelating agent selected from the group of glutamic acid Ν,Ν-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), and methylglycine Ν,Ν-diacetic acid or a salt thereof (MGDA), and a process for treating a subterranean formation comprising a step of introducing the above composition into the formation.
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