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    • 25. 发明申请
    • a-OLEFIN / VINYL PYRROLIDINONE COPOLYMERS AS ASPHALTENE DISPERSANTS
    • a-OLEFIN / VINYL吡咯烷酮共聚物作为ASPHALTENE分散剂
    • US20120220807A1
    • 2012-08-30
    • US13220478
    • 2011-08-29
    • Richard F. Miller
    • Richard F. Miller
    • C07C7/20
    • C08F226/10C08F210/14C08L95/00C08L2555/40C08L2555/80C08L23/04C08L39/06
    • An additive comprising, dissolved in a solvent, an asphaltene dispersant selected from the group consisting of α-olefin/vinyl pyrrolidinone copolymers. The copolymer can comprise at least one α-olefin selected from the group consisting of mono-α-olefins, at least one α-olefin selected from the group consisting of linear α-olefins and/or at least one α-olefin is selected from the group consisting of 1-hexadecene, 1-octadecene, 1-eicosene, 1-docosene, 1-tetracosene, 1-hexacosene, 1-octacosene and 1-triacontene. The additive can comprise a copolymer of 2-pyrrolidinone, 1-ethenyl monomer. The copolymer can have a Hansen Solubility Parameter (HSP), δ, of greater than 16, 17 or 18 MPa1/2. The solvent can be selected from the group consisting of aromatic solvents, such as 1-methyl naphthalene, bis-(m-phenoxyphenyl)ether, o-xylene, toluene and heavy aromatic solvents. Also provided is a method of inhibiting asphaltene precipitation in a fluid by introducing into the fluid an asphaltene dispersant selected from the group consisting of α-olefin/vinyl pyrrolidinone copolymers.
    • 一种添加剂,其包含溶解在溶剂中的选自α-烯烃/乙烯基吡咯烷酮共聚物的沥青质分散剂。 共聚物可以包含至少一种选自单-α-烯烃,至少一种选自直链α-烯烃和/或至少一种α-烯烃的α-烯烃的α-烯烃选自 由1-十六碳烯,1-十八碳烯,1-二十碳烯,1-二十一碳烯,1-二十四氢烯,1-二十六碳烯,1-二十八碳烯和1-三十碳烯组成的组。 添加剂可以包含2-吡咯烷酮,1-乙烯基单体的共聚物。 共聚物可以具有大于16,17或18MPa1 / 2的Hansen溶解度参数(HSP)δ。 溶剂可以选自芳族溶剂如1-甲基萘,双 - (间苯氧基苯基)醚,邻二甲苯,甲苯和重芳族溶剂。 还提供了通过将选自由α-烯烃/乙烯基吡咯烷酮共聚物组成的组的沥青质分散体引入到流体中来抑制流体中沥青质沉淀的方法。
    • 26. 发明授权
    • Deep eutectic solvents and applications
    • 深层共晶溶剂和应用
    • US08022014B2
    • 2011-09-20
    • US12410662
    • 2009-03-25
    • Richard F. Miller
    • Richard F. Miller
    • C09K8/68C09K8/14C09K8/60E21B43/267E21B43/16E21B43/26E21B37/00
    • C09K8/03C09K8/035C09K8/60C09K8/62
    • A method of solubilizing/removing cellulose or chemically-modified cellulosic polymers utilized in subterranean drilling operations such as fracturing. The method involves introducing a deep eutectic solvent (DES) into a subterranean region. Deep eutectic solvents useful as cellulose solvents include quaternary ammonium compounds, including choline chloride and chlorcholine chloride, reacted with a compound selected from amides, amines, carboxylic acids alcohols, and metal halides. The DES material can be pumped downhole after fracturing operations to remove cellulosic material used, for example, to thicken fracturing fluid which is left behind in the created fractures, on the face of the formation, along the wellbore, or elsewhere within the subterranean region. The DES can be used alone or in a sequential treatment protocol, whereby the DES is introduced into the subterranean region, followed by post-treatment introduction of water, caustic, acid or anhydride into the subterranean as a flush.
    • 一种溶解/除去纤维素或化学改性的纤维素聚合物的方法,用于地下钻井操作如压裂。 该方法包括将深层共晶溶剂(DES)引入地下区域。 可用作纤维素溶剂的深共晶溶剂包括季铵化合物,包括氯化胆碱氯化物和氯化胆碱氯化物,与选自酰胺,胺,羧酸醇和金属卤化物的化合物反应。 在压裂作业之后,DES材料可以在井下泵送,以除去所使用的纤维素材料,例如,增加在所形成的裂缝中留下的压裂流体,沿地层的表面,沿着井眼或地下区域内的其他地方。 DES可以单独使用或以顺序处理方案使用,由此将DES引入地下区域,随后将水,苛性碱,酸或酸酐经后处理引入地下作为冲洗。
    • 27. 发明授权
    • Conformable loop induction heating apparatus and method for accelerated curing of bonded members
    • 合适的回路感应加热装置和粘结部件加速固化的方法
    • US06288375B1
    • 2001-09-11
    • US09422608
    • 1999-10-21
    • Larry R. LappiRobert J. BoettcherDavid G. MillerRichard F. Miller
    • Larry R. LappiRobert J. BoettcherDavid G. MillerRichard F. Miller
    • H05B610
    • H05B6/105
    • An induction heating apparatus and method for heating a substantially continuous first bondline defined by a length of thermally responsive bonding material positioned between a first member and a second member. The first member or second member is made of an electrically conductive material or positioned adjacent an electrically conductive material. The inductive heating apparatus includes a flexible, reshapeable cable assembly operably positionable adjacent the first member along the first bondline. The flexible, reshapeable cable assembly is capable of being manually shaped to a first shape of the first bondline, and is capable of being manually re-shaped to a second shape of a second bondline different than the first shape of the first bondline. An alternating current power supply is electrically coupled to the flexible, reshapeable cable assembly. When the alternating current power supply is activated the reshapeable cable assembly operates to inductively heat the electrically conductive material for conductive heating of the thermally responsive bonding material substantially uniformly along the first bondline.
    • 一种感应加热装置和方法,用于加热由位于第一构件和第二构件之间的一定长度的热响应接合材料限定的基本上连续的第一粘合线。 第一构件或第二构件由导电材料制成或邻近导电材料定位。 感应加热装置包括可沿着第一粘合线可操作地定位成邻近第一构件的柔性可再塑性电缆组件。 柔性可重新整形的电缆组件能够被手动地成形为第一粘合线的第一形状,并且能够被手动地重新成形为与第一粘合线的第一形状不同的第二粘合线的第二形状。 交流电源电连接到柔性可重新整形的电缆组件。 当交流电源被激活时,可重新整形的电缆组件工作以感应加热导电材料,以便基本上均匀地沿着第一粘合线导热加热热响应的粘合材料。