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84 条记录 (耗时 0.034 秒)

    On-the-fly coating of acid-releasing degradable material onto a particulate
    33.
    发明授权
    On-the-fly coating of acid-releasing degradable material onto a particulate 有权
    将释放酸的可降解材料即时涂布在颗粒上

    公开(公告)号：US08545935B2

    公开(公告)日：2013-10-01

    申请号：US13435400

    申请日：2012-03-30

    申请人： Rajesh K. Saini ,  Bradley L. Todd

    发明人： Rajesh K. Saini ,  Bradley L. Todd

    IPC分类号： B05D7/00

    CPC分类号： C09K8/536 ,  C09K8/706 ,  C09K8/72 ,  C09K8/805 ,  E21B43/04

    摘要： Methods of creating particulates coated with acid-releasing degradable material comprising the steps of: combining an acid-releasing degradable material with a solvent or a plasticizer to create a coating solution; providing a first flowing stream comprising the coating solution; providing a second flowing stream comprising particulates; and, combining the first and second flowing streams to create a third flowing stream comprising particulates coated with the coating solution. Wherein the acid-releasing degradable material comprises at least one acid-releasing degradable material selected from the group consisting of: poly(orthoester); a lactide, a poly(lactide); a glycolide; a poly(glycolide); a poly(ε-caprolactone); a poly(hydroxybutyrate); a substantially water insoluble anhydride; a poly(anhydride); a poly(amino acid); a copolymer of two or more of the above-listed compounds; and any combination thereof.

    摘要翻译： 制备涂有释放酸的可降解材料的颗粒的方法，包括以下步骤：将释放酸的可降解材料与溶剂或增塑剂结合以产生涂布溶液; 提供包含所述涂布溶液的第一流动流; 提供包含微粒的第二流动流; 以及组合第一和第二流动流以产生包含涂覆有涂层溶液的微粒的第三流动流。 其中所述释放酸的可降解材料包含至少一种选自以下的释放酸的可降解材料：聚（原酸酯）; 丙交酯，聚（丙交酯）; 乙交酯; 聚（乙交酯）; 聚（ε-己内酯）; 聚（羟基丁酸酯）; 基本上不溶于水的酸酐; 聚（酸酐）; 聚（氨基酸）; 两种或更多种上述化合物的共聚物; 及其任何组合。

    High temperature fracturing fluids and methods
    34.
    发明授权
    High temperature fracturing fluids and methods 有权
    高温压裂液和方法

    公开(公告)号：US08450252B2

    公开(公告)日：2013-05-28

    申请号：US13456839

    申请日：2012-04-26

    申请人： Gary P. Funkhouser ,  Rajesh K. Saini ,  Arnab Mukherjee

    发明人： Gary P. Funkhouser ,  Rajesh K. Saini ,  Arnab Mukherjee

    IPC分类号： C09K8/588

    CPC分类号： C09K8/685 ,  C09K8/5756

    摘要： Subterranean treatment fluids comprising: an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof, acrylamide; and a crosslinking agent. Such treatment fluids are particularly well-suited for high temperature applications. In particular, they are suited for subterranean temperatures up to about 400° F.

    摘要翻译： 地下处理流体包括：碱性水溶液和由包含N- [三（羟甲基）甲基]丙烯酰胺，2-丙烯酰胺基-2-甲基丙磺酸或其盐的共聚物或其盐的胶凝剂的反应产物，丙烯酰胺; 和交联剂。 这种处理流体特别适用于高温应用。 特别地，它们适用于高达约400°F的地下温度。

    Reinforcing Amorphous PLA with Solid Particles for Downhole Applications
    35.
    发明申请
    Reinforcing Amorphous PLA with Solid Particles for Downhole Applications 审中-公开
    用固体颗粒增强无定形PLA用于井下应用

    公开(公告)号：US20130081821A1

    公开(公告)日：2013-04-04

    申请号：US13252327

    申请日：2011-10-04

    申请人： Feng Liang ,  Rajesh K. Saini ,  Bradley L. Todd

    发明人： Feng Liang ,  Rajesh K. Saini ,  Bradley L. Todd

    IPC分类号： E21B37/00 ,  C08L67/04 ,  C09D167/04 ,  B82Y99/00 ,  B82Y30/00

    CPC分类号： C09K8/03 ,  C08J3/201 ,  C08J2367/04 ,  C08L101/16 ,  C09D167/04 ,  C09K8/50 ,  C09K8/516

    摘要： The present invention relates to the use of composite material in downhole applications, and more particularly, relates to methods of making composite material comprising reinforced amorphous polylactic acid and methods of use related thereto. Some methods comprise providing an amorphous polylactic acid and a solid reinforcing material; forming a composite material by melting the amorphous polylactic acid and mixing it with the solid reinforcing material; and, using the composite material in a downhole application.

    摘要翻译： 本发明涉及复合材料在井下应用中的应用，更具体地涉及制备包含增强的无定形聚乳酸的复合材料的方法及其相关使用方法。 一些方法包括提供无定形聚乳酸和固体增强材料; 通过熔化无定形聚乳酸并将其与固体增强材料混合而形成复合材料; 并且在井下应用中使用复合材料。

    High Temperature Fracturing Fluids and Methods
    36.
    发明申请
    High Temperature Fracturing Fluids and Methods 有权
    高温压裂液和方法

    公开(公告)号：US20120208727A1

    公开(公告)日：2012-08-16

    申请号：US13456839

    申请日：2012-04-26

    申请人： Gary P. Funkhouser ,  Rajesh K. Saini ,  Arnab Mukherjee

    发明人： Gary P. Funkhouser ,  Rajesh K. Saini ,  Arnab Mukherjee

    IPC分类号： C09K8/62

    CPC分类号： C09K8/685 ,  C09K8/5756

    摘要： Subterranean treatment fluids comprising: an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof, acrylamide; and a crosslinking agent. Such treatment fluids are particularly well-suited for high temperature applications. In particular, they are suited for subterranean temperatures up to about 400° F.

    摘要翻译： 地下处理流体包括：碱性水溶液和由包含N- [三（羟甲基）甲基]丙烯酰胺，2-丙烯酰胺基-2-甲基丙磺酸或其盐的共聚物或其盐的胶凝剂的反应产物，丙烯酰胺; 和交联剂。 这种处理流体特别适用于高温应用。 特别地，它们适用于高达约400°F的地下温度。

    Methods and compositions for treating subterranean formations
    38.
    发明授权
    Methods and compositions for treating subterranean formations 有权
    用于处理地下地层的方法和组合物

    公开(公告)号：US07998906B2

    公开(公告)日：2011-08-16

    申请号：US12229229

    申请日：2008-08-21

    申请人： Rajesh K. Saini ,  Michael W. Sanders ,  Fong-Fong Foo ,  Jeff L. Mundy

    发明人： Rajesh K. Saini ,  Michael W. Sanders ,  Fong-Fong Foo ,  Jeff L. Mundy

    IPC分类号： C09K8/60 ,  C09K8/68 ,  C09K8/74 ,  C23F11/18

    CPC分类号： C09K8/88 ,  C09K2208/26

    摘要： Methods and compositions useful in treating subterranean formations, and more particularly, breaker compositions that may be useful in treating subterranean formations wherein synthetic polymers are used, are provided. Of the many methods and compositions provided herein, one composition comprises a source of hydrogen peroxide and an activator. One method comprises providing a polymer breaker composition comprising a source of hydrogen peroxide and an activator; introducing the polymer breaker composition into a well bore which penetrates a subterranean formation; allowing the activator to activate the source of hydrogen peroxide to create an oxidizing species; and allowing the oxidizing species to break synthetic polymers present in the subterranean formation.

    摘要翻译： 提供了可用于处理地下地层的方法和组合物，更具体地，提供可用于处理其中使用合成聚合物的地下地层的破碎组合物。 在本文提供的许多方法和组合物中，一种组合物包含过氧化氢源和活化剂。 一种方法包括提供包含过氧化氢源和活化剂的聚合物破乳剂组合物; 将聚合物破碎剂组合物引入穿透地层的井眼中; 允许活化剂活化过氧化氢源以产生氧化物质; 并允许氧化物质破坏存在于地层中的合成聚合物。

    Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications
    39.
    发明授权
    Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications 有权

    公开(公告)号：US07923417B2

    公开(公告)日：2011-04-12

    申请号：US11656651

    申请日：2007-01-23

    申请人： Michael W. Sanders ,  Jeffrey L. Mundy ,  Fong Fong Foo ,  Rajesh K. Saini

    发明人： Michael W. Sanders ,  Jeffrey L. Mundy ,  Fong Fong Foo ,  Rajesh K. Saini

    IPC分类号： E21B43/26 ,  C09K8/68

    CPC分类号： C09K8/524 ,  C09K8/68 ,  C09K8/90 ,  C09K2208/26

    摘要： A composition for treating a portion of a wellbore or a portion of a subterranean formation is provided, the composition comprising: (a) water; (b) a source of hydrogen peroxide, and (c) an activator for the source of hydrogen peroxide; wherein the pH of the composition is adjusted to be within an appropriate range for the type of activator. A method for treating a portion of a wellbore or a portion of a subterranean formation, the method comprising the steps of: forming or providing a composition comprising: (a) water; (b) a source of hydrogen peroxide, and (c) an activator for the source of hydrogen peroxide; wherein the pH of the composition is adjusted within an appropriate range for the type of activator; and introducing the composition through a wellbore to treat a portion of a wellbore or a portion of a subterranean formation. The activator can be a water-soluble alkanoyl-donor compound or a chelated transition metal. Preferably, the composition further comprises an iron chelating agent. The composition and method are adapted for breaking a viscosity increasing polymer, such as xanthan. The method has particular applications where the static temperature of the portion of the wellbore or the portion of the subterranean formation to be treated is less than 100° F. (38° C.).