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    PREVENTION OF SLUDGE FORMATION DURING ACIDIZING PROCEDURES
    1.
    发明公开
    PREVENTION OF SLUDGE FORMATION DURING ACIDIZING PROCEDURES 审中-公开
    在绝缘程序中防止污泥

    公开(公告)号：EP2970755A4

    公开(公告)日：2016-11-23

    申请号：EP14770093

    申请日：2014-02-18

    申请人： ECOLAB USA INC

    发明人： HILL DONALD G

    IPC分类号： C09K8/72 ,  C07C309/30 ,  C09K8/524

    CPC分类号： C09K8/78 ,  C09K8/524 ,  C09K2208/32

    摘要： The present disclosure provides chemical compositions useful for minimizing or preventing the precipitation of sludge, such as asphaltenes, maltenes, or similar asphaltic components, during an acidizing treatment. Methods for preventing or minimizing sludge formation are also disclosed. The anti-sludge compositions can be added to an aqueous acidic solution before injecting the solution into a well for treatment. The compositions can include a formulated dodecylbenzene sulfonic acid, a cationic surfactant, a corrosion inhibitor, and an iron reducing agent, in addition to other additives.

    TREATMENT FLUIDS CONTAINING BIODEGRADABLE CHELATING AGENTS AND METHODS FOR USE THEREOF
    2.
    发明公开
    TREATMENT FLUIDS CONTAINING BIODEGRADABLE CHELATING AGENTS AND METHODS FOR USE THEREOF 审中-公开
    与生物可降解处理液及其用途螯合剂的方法

    公开(公告)号：EP2702115A1

    公开(公告)日：2014-03-05

    申请号：EP12718713.6

    申请日：2012-04-26

    申请人： Halliburton Energy Services, Inc.

    发明人： REYES, Enrique A. ,  WELTON, Thomas D.

    IPC分类号： C09K8/528 ,  C09K8/68 ,  C09K8/78 ,  C02F5/12 ,  E21B43/04

    CPC分类号： C09K8/528 ,  C02F5/12 ,  C09K8/68 ,  C09K8/74 ,  C09K8/78 ,  C09K8/845 ,  C09K8/86 ,  Y02W10/37

    摘要： Treatment fluids containing biodegradable chelating agents can be used in various treatment methods. The methods can comprise providing a treatment fluid that comprises an aqueous base fluid and a chelating agent composition, and introducing the treatment fluid into at least a portion of a subterranean formation. The treatment fluids can also be used for treatment of pipes or tubing such as, for example, well bore pipes or tubing penetrating a subterranean formation and above-ground pipelines. Illustrative biodegradable chelating agents include, but are not limited to, glutamic acid diacetic acid, methylglycine diacetic acid, &bgr;-alanine diacetic acid, S,S-ethylenediaminedisuccinic acid, iminodisuccinic acid, hydroxyiminodisuccinic acid, any salt thereof, any derivative thereof, and any combination thereof. The treatment fluids can optionally comprise an acid, which can include hydrofluoric acid or a hydrofluoric acid generating compound.

    摘要翻译： 处理流体含有可生物降解的螯合剂可以以各种治疗方法中使用。 该方法可以包括：提供处理流体确实wässrige基础流体和螯合剂的组合物包括，并且将所述处理流体引入地层的至少一部分中。 处理流体可因此用于治疗管道或管道的：诸如，例如，井眼管或管道穿透地下地层的和地上管线。 说明性的可生物降解的螯合剂包括，但不限于，谷氨酸二乙酸，甲基甘氨酸二乙酸，β-丙氨酸二乙酸，S，S-乙二胺二琥珀酸，亚氨基二琥珀酸，hydroxyiminodisuccinic酸，它们的任何盐，它们的任何衍生物，和 它们的任何组合。 处理流体可以任选地包含酸的，其可以包括氢氟酸或氢氟酸产生化合物。

    Treatment of iron-containing subterranean formations
    5.
    发明公开
    Treatment of iron-containing subterranean formations 失效
    Behindlung von Eisen enthaltenden unterirdischen Formationen。

    公开(公告)号：EP0258968A2

    公开(公告)日：1988-03-09

    申请号：EP87305681.6

    申请日：1987-06-25

    申请人： HALLIBURTON COMPANY

    发明人： Dill, Walter Ray ,  Ford, William Gerald Francis ,  Walker, Michael Lewis ,  Gdanski, Ricky David

    IPC分类号： E21B43/26 ,  E21B43/27

    CPC分类号： C09K8/845 ,  C09K8/528 ,  C09K8/62 ,  C09K8/74 ,  C09K8/78 ,  Y10S166/902

    摘要： Subterranean formations containing iron deposits are treated, for example to stimulate them, using as an iron sequestrant at least one of hydroxylamine hydrochloride, hydroxylamine hydrobromide, hydroxylamine sulfate, hydrazine monohydrochloride, hydrazine dihydrochloride, hydrazine sulfate, hydrazine monobromide, hydrazine dibromide, hydrazine monoiodide, hydrazine diiodide and hydroquinone together with a catalytic amount of a solubilized salt of a compound capable of providing cupric, cuprous, nickel, zinc ions or mixtures thereof. Preferably, there is also used at least one of gluconodeltalactone, citric acid, salts of citric acid, ethylenediaminetetraacetic acid, salts or ethylene­diaminetetraacetic acid, nitrilotriacetic acid, salts of nitrilotriacetic acid, hydroxyethylethylenediaminetrieactic acid, and salts of hydroxyethylethylenediaminetriacetic acid.

    摘要翻译： 处理包含铁沉积物的地层，例如以铁螯合剂的形式刺激它们，至少一种盐酸羟胺，羟胺氢溴酸盐，硫酸羟胺，一盐酸肼，二氢化肼，硫酸肼，一溴化肼，二溴化肼，一碘化肼， 肼二碘化物和氢醌以及催化量的能够提供铜，铜，镍，锌离子或其混合物的化合物的溶解盐。 优选地，还使用葡萄糖酸内酯，柠檬酸，柠檬酸盐，乙二胺四乙酸，盐或乙二胺四乙酸，次氮基三乙酸，次氮基三乙酸盐，羟乙基乙二胺三乙酸和羟乙基乙二胺三乙酸盐中的至少一种。

    Treatment of iron-containing subterranean formations
    8.
    发明公开
    Treatment of iron-containing subterranean formations 失效
    处理含铁地下地层

    公开(公告)号：EP0258968A3

    公开(公告)日：1988-07-20

    申请号：EP87305681

    申请日：1987-06-25

    申请人： HALLIBURTON COMPANY

    发明人： Dill, Walter Ray ,  Ford, William Gerald Francis ,  Walker, Michael Lewis ,  Gdanski, Ricky David

    IPC分类号： E21B43/26 ,  E21B43/27

    CPC分类号： C09K8/845 ,  C09K8/528 ,  C09K8/62 ,  C09K8/74 ,  C09K8/78 ,  Y10S166/902

    摘要： Subterranean formations containing iron deposits are treated, for example to stimulate them, using as an iron sequestrant at least one of hydroxylamine hydrochloride, hydroxylamine hydrobromide, hydroxylamine sulfate, hydrazine monohydrochloride, hydrazine dihydrochloride, hydrazine sulfate, hydrazine monobromide, hydrazine dibromide, hydrazine monoiodide, hydrazine diiodide and hydroquinone together with a catalytic amount of a solubilized salt of a compound capable of providing cupric, cuprous, nickel, zinc ions or mixtures thereof. Preferably, there is also used at least one of gluconodeltalactone, citric acid, salts of citric acid, ethylenediaminetetraacetic acid, salts or ethylene­diaminetetraacetic acid, nitrilotriacetic acid, salts of nitrilotriacetic acid, hydroxyethylethylenediaminetrieactic acid, and salts of hydroxyethylethylenediaminetriacetic acid.

    摘要翻译： 用铁螯合剂处理至少一种盐酸羟胺，氢溴酸羟胺，硫酸羟胺，单盐酸肼，二盐酸肼，硫酸肼，单溴化肼，二溴肼，单肼肼， 肼二碘化物和氢醌以及催化量的能够提供铜，亚铜，镍，锌离子或其混合物的化合物的增溶盐。 优选还使用葡萄糖酸转石内酯，柠檬酸，柠檬酸盐，乙二胺四乙酸盐，乙二胺四乙酸，次氮基三乙酸，次氮基三乙酸盐，羟乙基乙二胺三酸和羟乙基乙二胺三乙酸盐中的至少一种。