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    Ammonium salts of chelating agents and their use in oil and gas field applications
    1.
    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。

    PROCESS TO FRACTURE A SUBTERRANEAN FORMATION USING A CHELATING AGENT
    7.
    发明申请
    PROCESS TO FRACTURE A SUBTERRANEAN FORMATION USING A CHELATING AGENT 审中-公开
    使用螯合剂破碎亚硫酸盐形成的方法

    公开(公告)号：US20140124205A1

    公开(公告)日：2014-05-08

    申请号：US14124924

    申请日：2012-06-11

    申请人： Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Cornelia Adriana De Wolf ,  Jia He

    发明人： Hisham Nasr-El-Din ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Cornelia Adriana De Wolf ,  Jia He

    IPC分类号： C09K8/72 ,  C09K8/60 ,  E21B43/16

    CPC分类号： C09K8/72 ,  C09K8/60 ,  C09K8/68 ,  C09K8/74 ,  E21B43/16

    摘要： The present invention relates to a process for fracturing a subterranean formation comprising a step of fracturing the formation and a step of introducing a treatment fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA) and/or N-hydroxyethyl ethylenediamine N,N′,N′-triacetic acid or a salt thereof (HEDTA) into the formation, wherein the fracturing step can take place before introducing the treatment fluid into the formation, while introducing the treatment fluid into the formation or subsequent to introducing the treatment fluid into the formation.

    摘要翻译： 本发明涉及一种压裂地层的方法，包括将地层破碎的步骤和引入含有谷氨酸N，N-二乙酸或其盐（GLDA），甲基甘氨酸N，N-二乙酸的处理液的步骤 酸或其盐（MGDA）和/或N-羟乙基乙二胺N，N'，N'-三乙酸或其盐（HEDTA），其中压裂步骤可以在将处理流体引入 同时将处理流体引入地层或将处理流体引入地层中。

    Corrosion Resistance When Using Chelating Agents in Chromium-Containing Equipment
    8.
    发明申请
    Corrosion Resistance When Using Chelating Agents in Chromium-Containing Equipment 审中-公开
    在含铬设备中使用螯合剂时的耐腐蚀性

    公开(公告)号：US20140120276A1

    公开(公告)日：2014-05-01

    申请号：US14125102

    申请日：2012-06-11

    申请人： Cornelia Adriana De Wolf ,  Albertus Jacobus Maria Bouwman ,  Hisham Nasr-El-Din

    发明人： Cornelia Adriana De Wolf ,  Albertus Jacobus Maria Bouwman ,  Hisham Nasr-El-Din

    IPC分类号： C09K8/54

    CPC分类号： C09K8/54 ,  C23F11/144 ,  Y10T428/13

    摘要： The present invention relates to process to reduce the corrosion of equipment containing a chromium-containing alloy in the oil and/or gas industry, comprising a step of contacting the equipment based on a chromium-containing alloy with a solution containing at least 1 wt % on total weight of the solution of glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) having an acidic pH, the use of the above solutions in equipment containing a chromium-containing alloy to reduce corrosion, and to a system containing a piece of equipment used in the oil and/or gas industry made at least partly from chromium-containing alloy in contact with an acidic solution containing at least 1 wt % of glutamic acid N,N-di acetic acid or a salt thereof (GLDA) and/or methylglycine N,N-di acetic acid or a salt thereof (MGDA).

    摘要翻译： 本发明涉及在油和/或气工业中减少包含含铬合金的设备的腐蚀的方法，包括使含铬合金的设备与含有至少1wt％ 对于具有酸性pH的谷氨酸N，N-二乙酸或其盐（GLDA）和/或甲基甘氨酸N，N-二乙酸或其盐（MGDA）的溶液的总重量，使用上述溶液 在含有含铬合金以降低腐蚀的设备中，以及包含至少部分由含铬合金制成的油和/或气体工业中的一种设备的系统与含有至少1wt ％谷氨酸N，N-二乙酸或其盐（GLDA）和/或甲基甘氨酸N，N-二乙酸或其盐（MGDA）。

    AMMONIUM SALTS OF CHELATING AGENTS AND THEIR USE IN OIL AND GAS FIELD APPLICATIONS
    9.
    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。

    TREATMENT OF ILLITIC FORMATIONS USING A CHELATING AGENT
    10.
    发明申请
    TREATMENT OF ILLITIC FORMATIONS USING A CHELATING AGENT 审中-公开
    使用洗发剂治疗白喉症状

    公开(公告)号：US20130267446A1

    公开(公告)日：2013-10-10

    申请号：US13993788

    申请日：2011-12-14

    申请人： Cornelia Adriana De Wolf ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Hisham Nasr-El-Din

    发明人： Cornelia Adriana De Wolf ,  Mohamed Ahmed Nasr-El-Din Mahmoud ,  Hisham Nasr-El-Din

    IPC分类号： C09K8/74

    CPC分类号： C09K8/74 ,  C09K8/528 ,  C09K8/72 ,  C09K8/86 ,  C09K2208/32

    摘要： The present invention relates to a process for treating a sandstone formation comprising introducing 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) and having a pH of between 1 and 14 into the formation. The invention in addition relates to a fluid suitable for use in the above process containing 5-30 wt % of glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), a corrosion inhibitor, a surfactant, and a mutual solvent.

    摘要翻译： 本发明涉及一种用于处理砂岩形成的方法，包括将含有谷氨酸N，N-二乙酸或其盐（GLDA）和/或甲基甘氨酸N，N-二乙酸或其盐（MGDA）和 pH值介于1和14之间。 本发明还涉及适用于上述方法的流体，其含有5-30重量％的谷氨酸N，N-二乙酸或其盐（GLDA）和/或甲基甘氨酸N，N-二乙酸或盐 （MGDA），缓蚀剂，表面活性剂和互溶剂。