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    AMMONIUM SALTS OF CHELATING AGENTS AND THEIR USE IN OIL AND GAS FIELD APPLICATIONS
    1.
    发明申请
    AMMONIUM SALTS OF CHELATING AGENTS AND THEIR USE IN OIL AND GAS FIELD APPLICATIONS 有权
    烟气代理及其在油气田应用中的应用

    公开(公告)号：US20130281329A1

    公开(公告)日：2013-10-24

    申请号：US13993831

    申请日：2011-12-14

    申请人： Cornelia Adriana De Wolf ,  James N. Lepage ,  Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Edwin Rudolf Antony Bang ,  Noble Thekkemelathethil George

    发明人： Cornelia Adriana De Wolf ,  James N. Lepage ,  Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Edwin Rudolf Antony Bang ,  Noble Thekkemelathethil George

    IPC分类号： C09K8/86

    CPC分类号： C09K8/86 ,  C09K8/035 ,  C09K8/72

    摘要： The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid N, N-diacetic acid (GLDA) or methylglycine N, N-diacetic acid (MGDA) is introduced into the formation. The invention also covers a fluid containing an ammonium salt of GLDA and/or MGDA and at least one component from the group of seawater, mutual solvents, anti-sludge agents, (water-wetting or emulsifying) surfactants, foaming agents, corrosion inhibitors corrosion inhibitor intensifiers, viscosifiers, wetting agents, diverting agents, oxygen scavengers, carrier fluids, fluid loss additives, friction reducers, stabilizers, rheology modifiers, gelling agents, scale inhibitors, breakers, salts, brines, pH control additives, bactericides/biocides, particulates, crosslinkers, salt substitutes (such as tetramethyl ammonium chloride), relative permeability modifiers, sulfide scavengers, fibres, nanoparticles, and consolidating agents, and covers an ammonium salt of the formula Mx(NH4),Hz-GLDA or the formula Mx(NH4),Hz-MGDA, wherein M is an alkalimetal cation, x is at least 0.1, y is at least 0.1 and x+y+z=4 for GLDA and x+y+z=3 for MGDA.

    摘要翻译： 本发明涉及一种处理地层的方法，其中将含有谷氨酸N，N-二乙酸（GLDA）或甲基甘氨酸N，N-二乙酸（MGDA）的铵盐的流体引入地层。 本发明还涵盖含有GLDA和/或MGDA的铵盐的液体和至少一种来自海水，相互溶剂，抗污泥剂，（水润湿或乳化）表面活性剂，发泡剂，腐蚀抑制剂腐蚀剂 抑制剂增强剂，增粘剂，润湿剂，转移剂，除氧剂，载体流体，流体损失添加剂，减摩剂，稳定剂，流变改性剂，胶凝剂，防垢剂，断路器，盐，盐水，pH控制添加剂，杀菌剂/杀生物剂，颗粒 ，交联剂，盐替代物（例如四甲基氯化铵），相对渗透性改性剂，硫化物清除剂，纤维，纳米颗粒和固结剂，并且覆盖式Mx（NH4），Hz-GLDA或式Mx（NH4） ），Hz-MGDA，其中M是碱金属阳离子，x对于GLDA至少为0.1，y为至少0.1，x + y + z = 4，对于MGDA为x + y + z = 3。

    Ammonium salts of chelating agents and their use in oil and gas field applications
    2.
    发明授权
    Ammonium salts of chelating agents and their use in oil and gas field applications 有权
    螯合剂的铵盐及其在油气田应用中的应用

    公开(公告)号：US09587171B2

    公开(公告)日：2017-03-07

    申请号：US13993831

    申请日：2011-12-14

    申请人： Cornelia Adriana De Wolf ,  James N. Lepage ,  Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Edwin Rudolf Antony Bang ,  Noble Thekkemelathethil George

    发明人： Cornelia Adriana De Wolf ,  James N. Lepage ,  Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Edwin Rudolf Antony Bang ,  Noble Thekkemelathethil George

    IPC分类号： C09K8/86 ,  C09K8/035 ,  C09K8/72

    CPC分类号： C09K8/86 ,  C09K8/035 ,  C09K8/72

    摘要： The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid N,N-diacetic acid (GLDA) or methylglycine N,N-diacetic acid (MGDA) is introduced into the formation. The invention also covers a fluid containing an ammonium salt of GLDA and/or MGDA and at least one component from the group of seawater, mutual solvents, anti-sludge agents, (water-wetting or emulsifying) surfactants, foaming agents, corrosion inhibitors corrosion inhibitor intensifiers, viscosifiers, wetting agents, diverting agents, oxygen scavengers, carrier fluids, fluid loss additives, friction reducers, stabilizers, rheology modifiers, gelling agents, scale inhibitors, breakers, salts, brines, pH control additives, bactericides/biocides, particulates, crosslinkers, salt substitutes (such as tetramethyl ammonium chloride), relative permeability modifiers, sulfide scavengers, fibres, nanoparticles, and consolidating agents, and covers an ammonium salt of the formula Mx(NH4)yHz-GLDA or the formula Mx(NH4)yHz-MGDA, wherein M is an alkalimetal cation, x is at least 0.1, y is at least 0.1 and x+y+z=4 for GLDA and x+y+z=3 for MGDA.

    摘要翻译： 本发明涉及一种处理地层的方法，其中将含有谷氨酸N，N-二乙酸（GLDA）或甲基甘氨酸N，N-二乙酸（MGDA）的铵盐的流体引入地层。 本发明还涵盖含有GLDA和/或MGDA的铵盐的液体和至少一种来自海水，相互溶剂，抗污泥剂，（水润湿或乳化）表面活性剂，发泡剂，腐蚀抑制剂腐蚀剂 抑制剂增强剂，增粘剂，润湿剂，转移剂，除氧剂，载体流体，流体损失添加剂，减摩剂，稳定剂，流变改性剂，胶凝剂，防垢剂，断路器，盐，盐水，pH控制添加剂，杀菌剂/杀生物剂，颗粒 ，交联剂，盐替代物（例如四甲基氯化铵），相对渗透性改性剂，硫化物清除剂，纤维，纳米颗粒和固结剂，并且覆盖式Mx（NH4）yHZ-GLDA或式Mx（NH4） 其中M为碱金属阳离子，对于GLDA，x为至少0.1，y至少为0.1，x + y + z = 4，对于MGDA为x + y + z = 3。