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    Method of selecting a wellbore cement having desirable characteristics
    1.
    发明授权
    Method of selecting a wellbore cement having desirable characteristics 有权
    选择具有期望特性的井筒水泥的方法

    公开(公告)号：US07792250B1

    公开(公告)日：2010-09-07

    申请号：US12433584

    申请日：2009-04-30

    申请人： Benjamin J. Iverson ,  Joe Maxson

    发明人： Benjamin J. Iverson ,  Joe Maxson

    IPC分类号： G01N23/207

    CPC分类号： C09K8/42 ,  C09K8/46

    摘要： A method for determining the ability of a cement composition to withstand subterranean formation conditions comprising obtaining an experimental diffraction pattern of the cement composition, generating a theoretical diffraction pattern of the cement composition, comparing the experimental diffraction pattern with the theoretical diffraction pattern, refining the theoretical diffraction pattern using a structural refinement method, determining the relative fraction of the crystalline phases present in the cement composition from the theoretical diffraction pattern, and determining the ability of the cement composition to withstand subterranean formation conditions. A method for determining the ability of a cement composition to withstand subterranean formation conditions comprising obtaining an experimental diffraction pattern of the cement composition, generating a theoretical diffraction pattern of the cement composition, comparing the experimental diffraction pattern with the theoretical diffraction pattern, refining the theoretical diffraction pattern using a structural refinement method, wherein the structural refinement method provides both crystallographic data and compositional data related to the cement composition, and determining the ability of the cement composition to withstand subterranean formation conditions by evaluating the crystallographic data and compositional data.

    摘要翻译： 一种用于确定水泥组合物承受地层形成条件的能力的方法，包括获得水泥组合物的实验衍射图，产生水泥组合物的理论衍射图，将实验衍射图与理论衍射图进行比较，精炼理论 衍射图，使用结构细化方法，从理论衍射图确定水泥组合物中存在的结晶相的相对分数，以及确定水泥组合物承受地下地层条件的能力。 一种用于确定水泥组合物承受地层形成条件的能力的方法，包括获得水泥组合物的实验衍射图，产生水泥组合物的理论衍射图，将实验衍射图与理论衍射图进行比较，精炼理论 衍射图案，其中结构细化方法提供了与水泥组合物相关的晶体学数据和组成数据，以及通过评估晶体学数据和组成数据来确定水泥组合物承受地下地层条件的能力。

    Zero shear viscosifying agent
    2.
    发明授权
    Zero shear viscosifying agent 有权
    零剪增稠剂

    公开(公告)号：US08905135B2

    公开(公告)日：2014-12-09

    申请号：US12730419

    申请日：2010-03-24

    申请人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    发明人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    IPC分类号： E21B43/26 ,  C09K8/12 ,  C09K8/22 ,  C04B28/02 ,  C09K8/467 ,  C09K8/487

    CPC分类号： C09K8/12 ,  C04B28/02 ,  C09K8/22 ,  C09K8/467 ,  C09K8/487 ,  C04B22/0026 ,  C04B24/2652 ,  C04B24/282 ,  C04B2103/46 ,  C04B24/32

    摘要： This invention is generally related to using treatment fluids having additives that modify rheological characteristics. Some embodiments of the present invention provide methods of using treatment fluids comprising an aqueous fluid and an associative polymer additive, wherein the associative polymer additive increases the PV of the treatment fluid by more than at least 50% and wherein the associative polymer additive increases the yield point by no more than about 30% of the corresponding increase in the PV relative to a treatment fluid without the associative polymer additive in a portion of a subterranean formation.

    摘要翻译： 本发明通常涉及使用具有改变流变特性的添加剂的处理流体。 本发明的一些实施方案提供使用包含水性流体和缔合聚合物添加剂的处理流体的方法，其中缔合聚合物添加剂将处理流体的PV增加至多50％，并且其中缔合聚合物添加剂增加产率 相对于在地下地层的一部分中没有缔合聚合物添加剂的处理流体，PV的相应增加不超过约30％。

    Zero shear viscosifying agent
    3.
    发明授权
    Zero shear viscosifying agent 有权
    零剪增稠剂

    公开(公告)号：US08623792B2

    公开(公告)日：2014-01-07

    申请号：US13485054

    申请日：2012-05-31

    申请人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    发明人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    IPC分类号： C09K8/88

    CPC分类号： C09K8/12 ,  C04B28/02 ,  C09K8/22 ,  C09K8/467 ,  C09K8/487 ,  C04B22/0026 ,  C04B24/2652 ,  C04B24/282 ,  C04B2103/46 ,  C04B24/32

    摘要： A treatment fluid comprising an aqueous liquid and an associative polymer additive. The associative polymer additive increases the plastic viscosity (PV) of an aqueous liquid by more than at least 50% and wherein the associative polymer additive increases the yield point (YP) by no more than about 30% of the corresponding increase in the PV relative to an aqueous liquid without the associative polymer additive. Moreover, the viscosity of the aqueous liquid comprising the associative polymer additive is capable of maintaining a viscosity of greater than about 20 cP for at least 20 minutes at temperatures higher than about 275° F. In some cases the associative polymer additive may be a hydrophobic alkoxylated aminoplast.

    摘要翻译： 一种包含水性液体和缔合聚合物添加剂的处理流体。 缔合聚合物添加剂将水性液体的塑性粘度（PV）提高至多50％，并且其中缔合聚合物添加剂将屈服点（YP）增加不超过PV相对增加的约30％ 到没有缔合聚合物添加剂的水性液体。 此外，包含缔合聚合物添加剂的含水液体的粘度能够在高于约275°F的温度下保持大于约20cP的粘度至少20分钟。在一些情况下，缔合聚合物添加剂可以是疏水性的 烷氧基化氨基塑料。

    Zero Shear Viscosifying Agent
    5.
    发明申请
    Zero Shear Viscosifying Agent 有权
    零剪切粘度剂

    公开(公告)号：US20110232905A1

    公开(公告)日：2011-09-29

    申请号：US12730419

    申请日：2010-03-24

    申请人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    发明人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    IPC分类号： E21B43/16 ,  C09K8/80

    CPC分类号： C09K8/12 ,  C04B28/02 ,  C09K8/22 ,  C09K8/467 ,  C09K8/487 ,  C04B22/0026 ,  C04B24/2652 ,  C04B24/282 ,  C04B2103/46 ,  C04B24/32

    摘要： This invention is generally related to using treatments fluids having additives that modify rheological characteristics. Some embodiments of the present invention provide methods of using treatment fluids comprising an aqueous fluid and an associative polymer additive, wherein the associative polymer additive increases the PV of the treatment fluid by more at least 50% and wherein the associative polymer additive increases the yield point by no more than about 30% of the corresponding increase in the PV relative to a treatment fluid without the associative polymer additive in a portion of a subterranean formation.

    摘要翻译： 本发明通常涉及使用具有改变流变特性的添加剂的处理液。 本发明的一些实施方案提供了使用包含水性流体和缔合聚合物添加剂的处理流体的方法，其中缔合聚合物添加剂将处理流体的PV增加至少50％，并且其中缔合聚合物添加剂增加屈服点 相对于在地层的一部分中没有缔合聚合物添加剂的处理流体，PV的相应增加不超过约30％。

    Zero Shear Viscosifying Agent
    9.
    发明申请
    Zero Shear Viscosifying Agent 有权
    零剪切粘度剂

    公开(公告)号：US20120238663A1

    公开(公告)日：2012-09-20

    申请号：US13485054

    申请日：2012-05-31

    申请人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    发明人： Benjamin J. Iverson ,  Ashok K. Santra ,  Priscilla T. Reyes

    IPC分类号： C09K8/467

    CPC分类号： C09K8/12 ,  C04B28/02 ,  C09K8/22 ,  C09K8/467 ,  C09K8/487 ,  C04B22/0026 ,  C04B24/2652 ,  C04B24/282 ,  C04B2103/46 ,  C04B24/32

    摘要： A treatment fluid comprising an aqueous liquid and an associative polymer additive. The associative polymer additive increases the plastic viscosity (PV) of an aqueous liquid by more than at least 50% and wherein the associative polymer additive increases the yield point (YP) by no more than about 30% of the corresponding increase in the PV relative to an aqueous liquid without the associative polymer additive. Moreover, the viscosity of the aqueous liquid comprising the associative polymer additive is capable of maintaining a viscosity of greater than about 20 cP for at least 20 minutes at temperatures higher than about 275° F. In some cases the associative polymer additive may be a hydrophobic alkoxylated aminoplast.

    摘要翻译： 一种包含水性液体和缔合聚合物添加剂的处理流体。 缔合聚合物添加剂将水性液体的塑性粘度（PV）提高至多50％，并且其中缔合聚合物添加剂将屈服点（YP）增加不超过PV相对增加的约30％ 到没有缔合性聚合物添加剂的水性液体。 此外，包含缔合聚合物添加剂的含水液体的粘度能够在高于约275°F的温度下保持大于约20cP的粘度至少20分钟。在一些情况下，缔合聚合物添加剂可以是疏水性的 烷氧基化氨基塑料。