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    • 6. 发明申请
    • NANOMATRIX METAL COMPOSITE
    • 纳米金属复合材料
    • WO2012015567A3
    • 2012-04-12
    • PCT/US2011043036
    • 2011-07-06
    • BAKER HUGHES INCXU ZHIYUECHAKRABORTY SOMAAGRAWAL GAURAV
    • XU ZHIYUECHAKRABORTY SOMAAGRAWAL GAURAV
    • B22F1/00B82B1/00
    • B22F1/025C22C1/0408C22C1/0416C22C32/0084
    • A powder metal composite is disclosed. The powder metal composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The composite also includes a plurality of dispersed first particles each comprising a first particle core material that comprises Mg, A1, Zn or Mn, or a combination thereof, dispersed in the nanomatrix; a plurality of dispersed second particles intermixed with the dispersed first particles, each comprising a second particle core material that comprises a carbon nanoparticle; and a solid-state bond layer extending throughout the nanomatrix between the dispersed first and second particles. The nanomatrix powder metal composites are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.
    • 公开了一种粉末金属复合材料。 该粉末金属复合材料包括基本上连续的,包含纳米基体材料的蜂窝状纳米基体。 该复合物还包括多个分散的第一颗粒,每个分散的第一颗粒包含分散在纳米基体中的包含Mg,Al,Zn或Mn或其组合的第一颗粒芯材料; 与分散的第一颗粒混合的多个分散的第二颗粒,各自包含含有碳纳米颗粒的第二颗粒芯材料; 以及在分散的第一和第二颗粒之间的整个纳米基质上延伸的固态结合层。 纳米基体粉末金属复合材料是独特的轻质高强度材料,它还具有独特的可选择性和可控性,包括腐蚀速率非常快,适用于制造各种可降解或一次性物品,包括各种井下工具和部件。
    • 7. 发明申请
    • HIGH PERMEABILITY FRAC PROPPANT
    • 高渗透性FRAC推荐
    • WO2012135419A3
    • 2012-11-29
    • PCT/US2012031081
    • 2012-03-29
    • BAKER HUGHES INCAGRAWAL GAURAVCREWS JAMES BXU ZHIYUE
    • AGRAWAL GAURAVCREWS JAMES BXU ZHIYUE
    • E21B43/26C01F5/00C01F7/00C01G9/00
    • E21B43/267C09K8/68C09K8/80C09K8/805
    • Disintegrative particles are designed to be blended with and pumped with typical proppant materials, e.g. sand, ceramics, bauxite, etc, into the fractures of a subterranean formation. With time and/or change in wellbore or environmental condition, these particles will either disintegrate partially or completely, in non-limiting examples, by contact with downhole fracturing fluid, formation water, or a stimulation fluid such as an acid or brine. Once disintegrated, the proppant pack within the fractures will lead to greater open space enabling higher conductivity and flow rates. The disintegrative particles may be made by compacting and/or sintering metal powder particles, for instance magnesium or other reactive metal or their alloys. Alternatively, particles coated with compacted and/or sintered nanometer-sized or micrometer sized coatings could also be designed where the coatings disintegrate faster or slower than the core in a changed downhole environment.
    • 崩解颗粒被设计成与典型的支撑剂材料混合并泵送,例如, 砂,陶瓷,铝土矿等,进入地层的裂缝。 随着井眼或环境条件的时间和/或变化,这些颗粒将在非限制性实例中通过与井下压裂液,地层水或诸如酸或盐水的刺激流体接触而部分或完全崩解。 一旦崩解,支撑剂包内的裂缝将导致更大的开放空间,使更高的导电率和流速。 崩解颗粒可以通过压实和/或烧结金属粉末颗粒,例如镁或其它反应性金属或它们的合金来制备。 或者,还可以设计涂覆有压实和/或烧结的纳米尺寸或微米尺寸涂层的颗粒,其中涂层在改变的井下环境中比核心分解更快或更慢。
    • 8. 发明申请
    • METHOD OF MAKING A NANOMATRIX POWDER METAL COMPACT
    • 制备NANOMATRIX粉末金属压片的方法
    • WO2011071908A3
    • 2011-11-17
    • PCT/US2010059266
    • 2010-12-07
    • BAKER HUGHES INCXU ZHIYUEAGRAWAL GAURAVSALINAS BOBBY
    • XU ZHIYUEAGRAWAL GAURAVSALINAS BOBBY
    • B22F7/08B22F1/02B22F3/02
    • B22F1/025B22F1/02B22F3/04B22F3/172B22F2999/00C22C1/04C22C32/00C23C16/00B22F2202/15
    • A method of making a powder metal compact is disclosed. The method includes forming a coated metallic powder comprising a plurality of coated metallic powder particles having particle cores with nanoscale metallic coating layers disposed thereon, wherein the metallic coating layers have a chemical composition and the particle cores have a chemical composition that is different than the chemical composition of the metallic coating layers. The method also includes applying a predetermined temperature and a predetermined pressure to the coated powder particles sufficient to form a powder metal compact by solid-phase sintering of the nanoscale metallic coating layers of the plurality of coated powder particles to form a substantially-continuous, cellular nanomatrix of a nanomatrix material, a plurality of dispersed particles dispersed within the cellular nanomatrix and a solid-state bond layer extending throughout the cellular nanomatrix.
    • 公开了制造粉末金属压块的方法。 该方法包括形成包含多个具有颗粒芯的涂覆的金属粉末颗粒的涂覆的金属粉末,其上设置有纳米级金属涂层,其中金属涂层具有化学组成,并且颗粒芯具有不同于化学物质的化学组成 金属涂层的组成。 该方法还包括通过使多个涂覆的粉末颗粒的纳米尺度金属涂层的固相烧结足以形成粉末金属压块的涂覆粉末颗粒施加预定温度和预定压力,以形成基本上连续的细胞 纳米层材料的纳米线,分散在细胞纳米层中的多个分散颗粒和延伸遍及细胞纳米层的固态键合层。
    • 9. 发明申请
    • NANOMATRIX POWDER METAL COMPACT
    • NANOMATRIX粉末金属压缩
    • WO2011071902A3
    • 2011-10-13
    • PCT/US2010059259
    • 2010-12-07
    • BAKER HUGHES INCXU ZHIYUEAGRAWAL GAURAV
    • XU ZHIYUEAGRAWAL GAURAV
    • B22F7/02B22F1/02B22F3/12B22F3/16
    • B22F1/02B22F1/025C22C1/0408C22C32/00
    • A powder metal compact is disclosed. The powder metal compact includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The compact also includes a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix and a solid-state bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix powder metal compacts are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.
    • 公开了一种粉末金属压块。 粉末金属压块包括基本上连续的,包含纳米线性材料的多孔纳米线。 压块还包括多个分散颗粒,其包含分散在纳米基质中的包含Mg,Al,Zn或Mn或其组合的颗粒芯材料,以及在分散颗粒之间延伸贯穿整个纳米基质的固态键合层。 纳米金属粉末金属压块是独特的轻质,高强度材料,其还提供独特的选择性和可控制的腐蚀性能,包括非常快速的腐蚀速率,可用于制造各种可降解或一次性制品,包括各种井下工具和部件。