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    Orthoester-Based Surfactants and Associated Methods
    11.
    发明申请
    Orthoester-Based Surfactants and Associated Methods 失效
    基于异构体的表面活性剂和相关方法

    公开(公告)号：US20100016184A1

    公开(公告)日：2010-01-21

    申请号：US12565392

    申请日：2009-09-23

    Applicant: Gary P. Funkhouser ,  Rajesh K. Saini

    Inventor： Gary P. Funkhouser ,  Rajesh K. Saini

    IPC: C09K8/60

    CPC classification number: C09K8/035 ,  C07D493/10 ,  C09K8/602 ,  C09K8/68 ,  F17D1/17

    Abstract: Provided are treatment fluids that comprise a base fluid and an orthoester-based surfactant. In some instances, the treatment fluid may have a pH of about 8.5 or greater. Also provided are emulsified treatment fluids that comprise an oleaginous phase, an aqueous phase having a pH of about 8.5 or greater, and an orthoester-based surfactant. Methods of using the treatment fluid and methods of facilitating flow through a conduit also are provided.

    Abstract translation: 提供了包含基础流体和基于原酸酯的表面活性剂的处理流体。 在一些情况下，处理流体可具有约8.5或更大的pH。 还提供了包含含油相，pH约8.5或更大的水相和原酸酯基表面活性剂的乳化处理流体。 还提供了使用处理流体的方法和促进流过导管的方法。

    Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications
    12.
    发明申请
    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：US20080173452A1

    公开(公告)日：2008-07-24

    申请号：US11656651

    申请日：2007-01-23

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

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

    IPC: E21B43/16 ,  C09K8/54 ,  E21B43/26 ,  C09K8/60

    CPC classification number: C09K8/524 ,  C09K8/68 ,  C09K8/90 ,  C09K2208/26

    Abstract: 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.).

    High molecular weight low polydispersity polymers
    14.
    发明授权
    High molecular weight low polydispersity polymers 有权
    高分子量低分散度聚合物

    公开(公告)号：US08815784B2

    公开(公告)日：2014-08-26

    申请号：US13333377

    申请日：2011-12-21

    Applicant: James W. Ogle ,  Charm Boontheung ,  Rajesh K. Saini

    Inventor： James W. Ogle ,  Charm Boontheung ,  Rajesh K. Saini

    IPC: C09K8/588

    CPC classification number: C08F220/56 ,  C08F2/38 ,  C09K8/64 ,  C09K8/68 ,  C09K8/685 ,  C09K8/80 ,  C09K8/882

    Abstract: The present invention relates to synthetic polymers having high molecular weights and low polydispersities and methods of synthesis. In one embodiment of the present invention, a polymer includes a polyacrylate polymer obtained from a polymerization reaction in which the polyacrylate polymer has a molecular weight of at least about 500,000 and a polydispersity index of about 1.25 or less.

    Abstract translation: 本发明涉及具有高分子量和低多分散性和合成方法的合成聚合物。 在本发明的一个实施方案中，聚合物包括由聚合反应获得的聚丙烯酸酯聚合物，其中聚丙烯酸酯聚合物的分子量至少为约500,000，多分散指数为约1.25或更小。

    High molecular weight low polydispersity polymers
    15.
    发明授权
    High molecular weight low polydispersity polymers 有权
    高分子量低分散度聚合物

    公开(公告)号：US08815783B2

    公开(公告)日：2014-08-26

    申请号：US13331441

    申请日：2011-12-20

    Applicant: James W. Ogle ,  Charm Boontheung ,  Rajesh K. Saini

    Inventor： James W. Ogle ,  Charm Boontheung ,  Rajesh K. Saini

    IPC: C09K8/588

    CPC classification number: C08F220/56 ,  C08F2/38 ,  C09K8/64 ,  C09K8/68 ,  C09K8/685 ,  C09K8/80 ,  C09K8/882

    Abstract: The present invention relates to synthetic polymers having high molecular weight and low polydispersities, and methods of synthesis thereof. One embodiment of the present invention provides a method of polymerizing that includes dissolving acrylate monomers in a fluid media having an olefin-containing polyalcohol amide surfactant; and initiating a polymerization reaction of the acrylate monomers with a polymerization initiator to produce a polymer having a molecular weight of at least about 500,000 and a polydispersity index of about 1.25 or less.

    Abstract translation: 本发明涉及具有高分子量和低多分散性的合成聚合物及其合成方法。 本发明的一个实施方案提供了一种聚合方法，其包括将丙烯酸酯单体溶解在具有含烯烃的多元醇酰胺表面活性剂的流体介质中; 并引发丙烯酸酯单体与聚合引发剂的聚合反应，以产生分子量为至少约500,000，多分散指数为约1.25或更小的聚合物。

    Fluorosurfactants and treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods
    16.
    发明授权
    Fluorosurfactants and treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods 有权
    用于还原水块，油块和/或气体冷凝物和相关方法的含氟表面活性剂和处理液

    公开(公告)号：US08669212B2

    公开(公告)日：2014-03-11

    申请号：US12553764

    申请日：2009-09-03

    Applicant: Lewis R. Norman ,  Rajesh K. Saini

    Inventor： Lewis R. Norman ,  Rajesh K. Saini

    IPC: C09K8/60

    CPC classification number: C09K8/52 ,  C09K8/035 ,  C09K8/602 ,  C09K8/604 ,  C09K8/68 ,  C09K8/78

    Abstract: The present invention relates to fluids useful for subterranean operations, and more particularly, to fluorosurfactants useful for the reduction of water blocks, gas blocks, and/or gas condensates and their associated treatment fluids and methods. Provided is a method of treating a subterranean formation. The method may comprise contacting the subterranean formation with a fluorosurfactant. The fluorosurfactant may comprise an amine group, wherein the amine group comprises at least one substituent selected from the group consisting of a fluoroalkyl group, a fluoroalkenyl group, and combinations thereof, wherein the at least one substituent comprises about 3 carbons to about 22 carbons. Also provided are polymeric surfactants and treatment fluids that comprise fluorosurfactants.

    Abstract translation: 本发明涉及用于地下操作的流体，更具体地说，涉及用于还原水块，气体块和/或气体冷凝物及其相关处理流体和方法的含氟表面活性剂。 提供一种处理地层的方法。 该方法可以包括使地层与含氟表面活性剂接触。 含氟表面活性剂可以包含胺基，其中胺基包括至少一个选自氟代烷基，氟烯基及其组合的取代基，其中至少一个取代基包含约3个碳原子至约22个碳原子。 还提供了包含含氟表面活性剂的聚合物表面活性剂和处理流体。

    Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods
    18.
    发明申请
    Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods 有权
    用于减少水块，油块和/或气体冷凝物和相关方法的含氟表面活性剂和处理液

    公开(公告)号：US20120172262A1

    公开(公告)日：2012-07-05

    申请号：US13417020

    申请日：2012-03-09

    Applicant: Lewis R. Norman ,  Rajesh K. Saini

    Inventor： Lewis R. Norman ,  Rajesh K. Saini

    IPC: C09K8/60

    CPC classification number: C09K8/52 ,  C09K8/035 ,  C09K8/602 ,  C09K8/604 ,  C09K8/68 ,  C09K8/78

    Abstract: The present invention relates to fluids useful for subterranean operations, and more particularly, to fluorosurfactants useful for the reduction of water blocks, gas blocks, and/or gas condensates and their associated treatment fluids and methods. Provided is a method of treating a subterranean formation. The Method may comprise contacting the subterranean formation with a fluorosurfactant. The fluorosurfactant may comprise an amine group, wherein the amine group comprises at least one substituent selected from the group consisting of a fluoroalkyl group, a fluoroalkenyl group, and combinations thereof, wherein the at least one substituent comprises about 3 carbons to about 22 carbons. Also provided are polymeric surfactants and treatment fluids that comprise fluorosurfactants.

    Abstract translation: 本发明涉及用于地下操作的流体，更具体地说，涉及用于还原水块，气体块和/或气体冷凝物及其相关处理流体和方法的含氟表面活性剂。 提供一种处理地层的方法。 该方法可以包括使地层与含氟表面活性剂接触。 含氟表面活性剂可以包含胺基，其中胺基包括至少一个选自氟代烷基，氟烯基及其组合的取代基，其中至少一个取代基包含约3个碳原子至约22个碳原子。 还提供了包含含氟表面活性剂的聚合物表面活性剂和处理流体。

    Polymeric Pump Parts
    19.
    发明申请
    Polymeric Pump Parts 审中-公开
    聚合泵部件

    公开(公告)号：US20120141308A1

    公开(公告)日：2012-06-07

    申请号：US13310848

    申请日：2011-12-05

    Applicant: Rajesh K. Saini ,  Fen Liang ,  David M. Stribling

    Inventor： Rajesh K. Saini ,  Fen Liang ,  David M. Stribling

    IPC: F04B47/00 ,  C08L75/04 ,  B29C43/02 ,  B82Y30/00

    CPC classification number: F04B53/02 ,  C08G18/10 ,  C08G18/7678 ,  C08K3/013 ,  F04B53/1025 ,  F05C2225/00 ,  C08G18/3206

    Abstract: Polymeric and polymeric composite parts for pumps and a method of manufacturing same are disclosed. More specifically, a valve insert comprising a polymeric seal sized to fit on an outside diameter of a valve closure member for a plunger pump; a pressure packing element ring for a plunger on a plunger pump; and a pressure packing element ring for a push rod on plunger of a plunger pump, each of said articles being formed from a naphthalene-1,5-diisocyanate (NDI) based polyurethane component and an extender.

    Abstract translation: 公开了用于泵的聚合物和聚合物复合部件及其制造方法。 更具体地说，一种阀插入件，其包括聚合物密封件，其尺寸被设计成适合用于柱塞泵的阀门关闭件的外径; 用于柱塞泵柱塞的压力填充元件环; 以及用于柱塞泵的柱塞上的推杆的压力填充元件环，每个所述制品由萘-1,5-二异氰酸酯（NDI）基聚氨酯组分和增量剂形成。

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