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    Self-diverting acid treatment with formic-acid-free corrosion inhibitor
    4.
    发明授权
    Self-diverting acid treatment with formic-acid-free corrosion inhibitor 有权
    用不含甲酸的缓蚀剂进行自转酸处理

    公开(公告)号：US07902124B2

    公开(公告)日：2011-03-08

    申请号：US12545381

    申请日：2009-08-21

    申请人： Syed Ali ,  Javier Sanchez Reyes ,  Mathew M. Samuel ,  Francois M. Auzerais

    发明人： Syed Ali ,  Javier Sanchez Reyes ,  Mathew M. Samuel ,  Francois M. Auzerais

    IPC分类号： C09K8/52 ,  E21B37/06

    CPC分类号： C09K8/74 ,  C09K8/528 ,  C09K2208/32 ,  C11D1/90 ,  C11D3/0073 ,  C11D11/0041 ,  C23F11/04 ,  C23F11/12 ,  C23F11/141 ,  Y10S507/922 ,  Y10S507/923 ,  Y10S507/927

    摘要： A method of treating a subterranean formation penetrated by a wellbore of a well having iron-containing components is carried out by introducing a treatment fluid into the wellbore of the well. The treatment fluid is formed from an aqueous solution, a mineral acid, a viscoelastic surfactant gelling agent and corrosion inhibitor system containing at least one of an alkyl, alkenyl, alicyclic or aromatic substituted aliphatic ketone and aliphatic or aromatic aldehyde. The treatment fluid is substantially free of any formic acid or precursor formic acid. In certain embodiments, the corrosion inhibitor system comprises a mixture of at least one of an alkenyl phenone or α,β-unsaturated aldehyde, an unsaturated ketone or unsaturated aldehyde other than the alkenyl phenone and α,β-unsaturated aldehyde, a dispersing agent, an extender and an alcohol solvent. A corrosion inhibitor intensifier may also be used in certain embodiments, which may include a mixture of cuprous iodide and cuprous chloride.

    摘要翻译： 通过将处理流体引入井的井筒来进行处理由具有含铁组分的井的井筒穿透的地层的方法。 处理流体由水溶液，无机酸，粘弹性表面活性剂胶凝剂和含有至少一种烷基，烯基，脂环族或芳族取代的脂族酮和脂族或芳族醛的腐蚀抑制剂体系形成。 处理液基本上不含任何甲酸或前体甲酸。 在某些实施方案中，腐蚀抑制剂体系包括链烯基酮或α，β-不饱和醛，不饱和酮或除烯基苯酮以外的不饱和醛和α，β-不饱和醛中的至少一种的混合物， 药剂，增量剂和酒精溶剂。 在某些实施方案中也可以使用缓蚀剂增强剂，其可以包括碘化亚铜和氯化亚铜的混合物。

    SELF-DIVERTING ACID TREATMENT WITH FORMIC-ACID-FREE CORROSION INHIBITOR
    5.
    发明申请
    SELF-DIVERTING ACID TREATMENT WITH FORMIC-ACID-FREE CORROSION INHIBITOR 有权
    自由酸处理与无酸腐蚀抑制剂

    公开(公告)号：US20100056405A1

    公开(公告)日：2010-03-04

    申请号：US12545381

    申请日：2009-08-21

    申请人： Syed Ali ,  Javier Sanchez Reyes ,  Mathew M. Samuel ,  Francois M. Auzerais

    发明人： Syed Ali ,  Javier Sanchez Reyes ,  Mathew M. Samuel ,  Francois M. Auzerais

    IPC分类号： C09K8/76

    CPC分类号： C09K8/74 ,  C09K8/528 ,  C09K2208/32 ,  C11D1/90 ,  C11D3/0073 ,  C11D11/0041 ,  C23F11/04 ,  C23F11/12 ,  C23F11/141 ,  Y10S507/922 ,  Y10S507/923 ,  Y10S507/927

    摘要： A method of treating a subterranean formation penetrated by a wellbore of a well having iron-containing components is carried out by introducing a treatment fluid into the wellbore of the well. The treatment fluid is formed from an aqueous solution, a mineral acid, a viscoelastic surfactant gelling agent and corrosion inhibitor system containing at least one of an alkyl, alkenyl, alicyclic or aromatic substituted aliphatic ketone and aliphatic or aromatic aldehyde. The treatment fluid is substantially free of any formic acid or precursor formic acid. In certain embodiments, the corrosion inhibitor system comprises a mixture of at least one of an alkenyl phenone or α,β-unsaturated aldehyde, an unsaturated ketone or unsaturated aldehyde other than the alkenyl phenone and α,β-unsaturated aldehyde, a dispersing agent, an extender and an alcohol solvent. A corrosion inhibitor intensifier may also be used in certain embodiments, which may include a mixture of cuprous iodide and cuprous chloride.

    摘要翻译： 通过将处理流体引入井的井筒来进行处理由具有含铁组分的井的井筒穿透的地层的方法。 处理流体由水溶液，无机酸，粘弹性表面活性剂胶凝剂和含有至少一种烷基，烯基，脂环族或芳族取代的脂族酮和脂族或芳族醛的腐蚀抑制剂体系形成。 处理液基本上不含任何甲酸或前体甲酸。 在某些实施方案中，腐蚀抑制剂体系包括链烯基酮或α，β-不饱和醛，不饱和酮或除烯基苯酮以外的不饱和醛和α，β-不饱和醛中的至少一种的混合物， 药剂，增量剂和酒精溶剂。 在某些实施方案中也可以使用缓蚀剂增强剂，其可以包括碘化亚铜和氯化亚铜的混合物。

    Self-Viscosifying and Self-Breaking Gels
    6.
    发明申请
    Self-Viscosifying and Self-Breaking Gels 审中-公开
    自我敏感和自我破裂的凝胶

    公开(公告)号：US20100093891A1

    公开(公告)日：2010-04-15

    申请号：US12578209

    申请日：2009-10-13

    申请人： Leiming Li ,  Syed Ali ,  Richard D. Hutchins ,  Lijun Lin ,  Curtis L. Boney ,  Carlos Abad ,  Javier Sanchez Reyes ,  Paul R. Howard

    发明人： Leiming Li ,  Syed Ali ,  Richard D. Hutchins ,  Lijun Lin ,  Curtis L. Boney ,  Carlos Abad ,  Javier Sanchez Reyes ,  Paul R. Howard

    IPC分类号： C09K8/44 ,  C08F20/00

    CPC分类号： C09K8/5083 ,  C09K8/512 ,  C09K8/685 ,  C09K8/882 ,  C09K8/887

    摘要： The invention provides a method. The method injects into a wellbore, a fluid comprising at least one of an acrylamide polymer and an acrylamide copolymer, and at least one of an oxidizing agent and a radical initiator; and allows viscosity of the fluid to increase for a first period of time; and subsequently, allows viscosity of the fluid to decrease for a second period of time. In a further aspect the invention provides a fluid for use in a well within a subterranean formation penetrated by a wellbore. The fluid is in a first embodiment, made of an acrylamide polymer and/or copolymer and an oxidizing agent or radical initiator, wherein concentration of the oxidizing agent or radical initiator is such that the fluid increases its viscosity for a period of time and after said period of time decreases its viscosity. The fluid is in a second embodiment, made of an acrylamide polymer and/or copolymer and an oxidizing agent or radical initiator, wherein the oxidizing agent or radical initiator is such that the fluid increases its viscosity for a period of time and after said period of time decreases its viscosity.

    摘要翻译： 本发明提供了一种方法。 该方法注入井眼，包含丙烯酰胺聚合物和丙烯酰胺共聚物中的至少一种以及氧化剂和自由基引发剂中的至少一种的流体; 并且允许流体的粘度在第一时间段内增加; 并且随后允许流体的粘度在第二时间段内降低。 在另一方面，本发明提供一种用于井眼穿透的地层内的井中的流体。 在第一实施方案中，流体由丙烯酰胺聚合物和/或共聚物和氧化剂或自由基引发剂制成，其中氧化剂或自由基引发剂的浓度使得流体在一段时间内增加其粘度，并且在所述 一段时间降低其粘度。 在第二实施方案中，流体由丙烯酰胺聚合物和/或共聚物和氧化剂或自由基引发剂制成，其中氧化剂或自由基引发剂使得流体在其一段时间内增加其粘度，并且在所述时间段 时间降低其粘度。