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    • 7. 发明申请
    • METHOD OF MAKING A POWDER METAL COMPACT
    • 粉末金属紧凑的方法
    • WO2013019410A3
    • 2013-05-16
    • PCT/US2012047167
    • 2012-07-18
    • BAKER HUGHES INCXU ZHIYUE
    • XU ZHIYUE
    • E21B10/46B22F5/00
    • B22F1/02B22F3/20B22F3/24C22C1/0408
    • A method of making a selectively corrodible article is disclosed. The method includes forming a powder comprising a plurality of metallic powder particles, each metallic powder particle comprising a nanoscale metallic coating layer disposed on a particle core. The method also includes forming a powder compact of the powder particles, wherein the powder particles are substantially elongated in a predetermined direction to form substantially elongated powder particles. In one embodiment, forming the powder compact includes compacting the powder particles into a billet, and forming the billet to provide the powder compact of the powder particles, wherein the powder particles are substantially elongated in a predetermined direction to form substantially elongated powder particles.
    • 公开了一种制造选择性可腐蚀物品的方法。 该方法包括形成包含多个金属粉末颗粒的粉末,每个金属粉末颗粒包含设置在颗粒芯上的纳米级金属涂层。 该方法还包括形成粉末颗粒的粉末压块,其中粉末颗粒在预定方向上基本上伸长以形成基本上细长的粉末颗粒。 在一个实施例中,形成粉末压块包括将粉末颗粒压缩成坯料,并且形成坯料以提供粉末颗粒的粉末压块,其中粉末颗粒在预定方向上基本上伸长以形成基本上细长的粉末颗粒。
    • 10. 发明申请
    • METHOD OF USING A DEGRADABLE SHAPED CHARGE AND PERFORATING GUN SYSTEM
    • 使用可降级形状充电和执行枪系统的方法
    • WO2013033537A3
    • 2013-04-25
    • PCT/US2012053342
    • 2012-08-31
    • BAKER HUGHES INCXU ZHIYUE
    • XU ZHIYUE
    • E21B43/1185E21B43/119
    • E21B43/117E21B41/00F42B1/02F42B3/08
    • A method for perforating a formation interval in a well is disclosed. The method includes disposing a perforation gun comprising a shaped charge in the well proximate the formation interval, wherein the shaped charge comprises a charge case having a charge cavity, a liner disposed within the charge cavity and an explosive disposed within the charge cavity between the liner and the charge case, wherein the charge case and liner are each formed from a selectively corrodible powder compact material. The method also includes detonating the shaped charge to form a perforation tunnel in the formation interval and deposit a liner residue in the perforation tunnel. The method further includes exposing the perforation gun and perforation tunnel to a predetermined wellbore fluid after detonating the shaped charge to remove a liner residue from the perforation tunnel and the charge case from the well.
    • 公开了一种在井中穿孔形成间隔的方法。 该方法包括在靠近形成间隔的孔中设置包括成形电荷的穿孔枪,其中成形电荷包括具有电荷腔的充电盒,设置在充电腔内的衬垫和设置在衬垫内的充电腔内的炸药 和充电情况,其中充电箱和衬里均由选择性可腐蚀的粉末紧凑材料形成。 该方法还包括引爆成形电荷以在形成间隔中形成穿孔隧道并在穿孔隧道中沉积衬垫残留物。 该方法还包括在引爆成形装料之后,将穿孔枪和穿孔通道暴露于预定的井眼流体​​,以从穿孔隧道和来自井的荷载箱移除衬垫残留物。