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    • 15. 发明授权
    • Shaped charge liner with varying thickness
    • 形状不同厚度的电荷衬管
    • US08166882B2
    • 2012-05-01
    • US12489834
    • 2009-06-23
    • Wenbo Yang
    • Wenbo Yang
    • F42B1/028
    • F42B1/028F42B1/036
    • A shaped charge has a case defining a volume therein. A liner is located in the volume. An explosive is located between the case and the liner. The liner defines an interior volume and an opening thereto. The liner also has an apex portion that is distal from the opening. The liner has a first thick portion and a second thick portion. A thin portion is located between the first thick portion and the second thick portion in a direction extending from the apex portion along the liner toward the opening. The thin portion is thinner than the first thick portion and thinner than the second thick portion.
    • 成形电荷具有限定其中的体积的壳体。 一个衬里位于卷中。 爆炸物位于外壳和衬套之间。 衬套限定内部容积和开口。 衬里还具有远离开口的顶点部分。 衬套具有第一厚部分和第二厚部分。 薄壁部分位于第一厚部分和第二厚部分之间,沿从衬里的顶部向开口延伸的方向。 薄部分比第一厚部分薄,并且比第二厚部分薄。
    • 19. 发明授权
    • Shaped charges for creating enhanced perforation tunnel in a well formation
    • 在井口形成中形成增强的穿孔隧道的成形装料
    • US08584772B2
    • 2013-11-19
    • US11307756
    • 2006-02-21
    • Wenbo YangLawrence A. Behrmann
    • Wenbo YangLawrence A. Behrmann
    • E21B43/116E21B43/117
    • E21B43/117E21B43/116
    • A shaped charge includes a charge case; an explosive disposed inside the charge case; and a liner for retaining the explosive in the charge case, wherein the liner comprises a material reactive with a component of an earth formation. A method for perforating in a well includes disposing a perforating gun in the well, wherein the perforating gun comprises a shaped charge having a charge case, an explosive disposed inside the charge case, and a liner for retaining the explosive in the charge case, wherein the liner includes a material that can react with a component of an earth formation; detonating the shaped charge to form a perforation tunnel in a formation zone; and allowing the material comprising the liner to react with the component of the earth formation.
    • 成形电荷包括充电箱; 装在充电箱内的炸药; 以及用于将炸药保持在电荷箱中的衬垫,其中衬垫包括与地层的组分反应的材料。 一种用于在井中穿孔的方法包括在孔中设置穿孔枪,其中穿孔枪包括具有装药箱的成形装药器,设置在计费箱内部的炸药和用于将炸药保持在计费箱中的衬套,其中 该衬套包括能够与地层组件反应的材料; 引爆成形装置,以在形成区域形成穿孔隧道; 并且允许包含衬垫的材料与地层的组分反应。
    • 20. 发明授权
    • Radial-linear shaped charge pipe cutter
    • 径向线性充电管切割机
    • US08302534B2
    • 2012-11-06
    • US12698631
    • 2010-02-02
    • Wenbo YangWilliam T. Bell
    • Wenbo YangWilliam T. Bell
    • F42B1/02
    • F42B3/08
    • A radial-linear shaped charge pipe cutter is constructed with the booster explosive packed intimately into a booster aperture that is bored axially through the charge upper end plate. The cutter explosive is initiated at the interface between the upper margin of the cutter explosive and the contiguous inside surface of the upper end plate. This interface is within a critical initiation distance from the half charge juncture plane. In one embodiment, a half charge liner is configured as the assembly of two, coaxial, frusto-cones with the smaller cone diverging from the half charge juncture plane at a smaller angle than the outer cone. In another embodiment, the liner thickness increases from the juncture plane out to the liner perimeter.
    • 径向线性形状的充电管切割器被构造成具有紧密地包含在通过充电上端板轴向钻孔的助力器孔中的助力器爆炸物。 刀具炸药在刀片炸药的上边缘与上端板的相邻内表面之间的界面处开始。 该接口处于距离半电荷接合面的临界起始距离内。 在一个实施例中,半电荷衬垫被构造为两个同轴的截头圆锥体的组件,其中较小的锥体以比外锥体更小的角度从半电荷接合面发散。 在另一个实施例中,衬套厚度从接合面向外延伸到衬套周长。