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    Ammonium salts of chelating agents and their use in oil and gas field applications
    3.
    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。

    AMMONIUM SALTS OF CHELATING AGENTS AND THEIR USE IN OIL AND GAS FIELD APPLICATIONS
    5.
    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。

    PROCESS TO FRACTURE A SUBTERRANEAN FORMATION USING A CHELATING AGENT
    6.
    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。

    TREATMENT OF ILLITIC FORMATIONS USING A CHELATING AGENT
    7.
    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。

    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）。

    Chelating agent precursors, fluids containing them, and their use
    9.
    发明授权
    Chelating agent precursors, fluids containing them, and their use 有权
    螯合剂前体，含有它们的流体及其用途

    公开(公告)号：US09556378B2

    公开(公告)日：2017-01-31

    申请号：US14000675

    申请日：2012-02-20

    申请人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    发明人： James N. Lepage ,  Cornelia Adriana De Wolf ,  Johanna Hendrika Bemelaar ,  Adrianus Maria Reichwein ,  Axel Carstens ,  Edwin Rudolf Antony Bang

    IPC分类号： C09K8/86 ,  C07C227/18 ,  C07C229/12 ,  C07C229/24 ,  C07C231/02 ,  C07C237/06 ,  C09K8/528

    CPC分类号： C09K8/86 ,  C07C227/18 ,  C07C229/12 ,  C07C229/24 ,  C07C231/02 ,  C07C237/06 ,  C09K8/528

    摘要： The present invention relates to a chelating agent precursor that contains glutamic acid N,N-diacetic acid (GLDA) and/or methylglycine N,N-diacetic acid (MGDA) wherein at least one of the carboxylic acid groups is present as a carboxylic acid derivative selected from the group of amides, anhydrides, and esters, combinations thereof, and salts thereof, provided that it is not the triethyl ester of GLDA, the triethyl mono-t-butyl ester of GLDA, the tri-t-butyl ester of GLDA, the monobenzyl tri-t-butyl ester of GLDA, any ester or amide that contains azacycloalkane groups, any amide that contains biotin groups, any amide that contains minoethylcarbamoyl based amide groups, (S)-diethyl 2,2′-(1-benzyloxy)-1,5-dioxo-5-(prop-2-ynylamino)pentan-2-ylazanediyl-diacetate, diethyl 2,2′-(5-(3-azidopropylamino)-1-(benzyloxy)-1,5-dioxo-pentan-2-ylazanediyl-diacetate, the trimethyl ester of MGDA, the monomethyl ester dimethylamide of MGDA, the dibenzyl ester of MGDA, the dibenzyl mono t-butyl ester of MGDA, the di t-butyl ester of MGDA, the di-t-butyl-monobenzyl ester of MGDA, N,N-bis(benzyloxycarbonylmethyl)-N′-methoxycarbonyl-methyl-alanine amide, or N,N-bis(tert-butoxycarbonyl)-N′-methoxycarbonylmethyl-alanine amide, and esters of GLDA immobilized on a gel, and that the amide is not the amide of ammonia, to a fluid containing the above chelating precursor and a liquid, and to the use of a chelating agent precursor of MGDA and GLDA and fluids containing them in an application wherein delayed acidity or the chelating capacity is useful, such as in descaling, bleaching, cleaning, and treating oil and/or gas-containing subterranean formations.

    摘要翻译： 本发明涉及含有谷氨酸N，N-二乙酸（GLDA）和/或甲基甘氨酸N，N-二乙酸（MGDA）的螯合剂前体，其中至少一个羧酸基团作为羧酸存在 选自酰胺，酸酐和酯的组合的衍生物，其组合及其盐，条件是它不是GLDA的三乙基酯，GLDA的三乙基单叔丁基酯，三 GLDA，GLDA的单苄基三叔丁酯，含有氮杂环烷基的任何酯或酰胺，含有生物素基团的任何酰胺，含有最小乙基氨基甲酰基的酰胺基的任何酰胺，（S）-2,2' - （1 - 苄氧基）-1,5-二氧代-5-（丙-2-炔基氨基）戊-2-基二烷基二乙酸酯，2,2' - （5-（3-叠氮基丙基氨基）-1-（苄氧基） 5-二氧代戊烷-2-基二烷基二乙酸酯，MGDA的三甲基酯，MGDA的单甲基酯二甲基酰胺，MGDA的二苄基酯，二苄基单叔丁酯 的MGDA的二叔丁基酯，MGDA的二叔丁基 - 单苄基酯，N，N-双（苄氧基羰基甲基）-N'-甲氧基羰基 - 甲基 - 丙氨酸酰胺或N，N-双 叔丁氧基羰基）-N'-甲氧基羰基甲基 - 丙氨酸酰胺和固定在凝胶上的GLDA的酯，并且酰胺不是氨的酰胺，与含有上述螯合前体和液体的流体，以及使用 在其中延迟酸度或螯合能力有用的应用中，例如在除垢，漂白，清洁和处理含油和/或含气体的地下地层中，MGDA和GLDA的螯合剂前体和含有它们的流体。