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    • 57. 发明申请
    • Drill Bits Having Flushing And Systems For Using Same
    • 钻头与冲洗和系统使用相同
    • US20150136494A1
    • 2015-05-21
    • US14085242
    • 2013-11-20
    • Longyear TM, Inc.
    • Cody A. PearceMichael D. RuppChristian M. Lambert
    • E21B10/43E21B10/61E21B10/60
    • E21B10/54E21B10/42E21B10/602E21B10/61
    • A drill bit for forming a hole in a formation. The drill bit has a shank and a full face crown that cooperate to define an interior space that receives water or other drilling fluid. The full face crown defines a plurality of bores that extend from a cutting face of the full face crown to the interior space. The full face crown completely circumferentially encloses the interior space of the drill bit. A wedge shaped slot is defined therein the full face crown that extends longitudinally therein a portion of the cutting face and the circumferential outer surface of the full face crown. The slot further defines an apex that is positioned beyond the center of the cutting face of the drill bit such that the longitudinal axis of the drill bit extends through the bottom surface of the slot and into an interior void area of the slot. Further, a conduit is defined in the drill bit that is in communication with the interior space and with a portion of the defined slot.
    • 用于在地层中形成孔的钻头。 钻头具有柄和全表面冠,其配合以限定容纳水或其它钻井液的内部空间。 全表面表面限定了从全面冠的切割面延伸到内部空间的多个孔。 全表冠完全周向地包围钻头的内部空间。 在其中限定有楔形槽,其中全表面冠在其中纵向地延伸有切割面的一部分和全面冠的周向外表面。 狭槽还限定了位于钻头的切割面的中心之外的顶点,使得钻头的纵向轴线延伸穿过槽的底表面并进入槽的内部空隙区域。 此外,在钻头中限定了与内部空间和限定槽的一部分连通的导管。
    • 59. 发明授权
    • Systems and methods for sonic subsurface material removal
    • 声表面材料去除的系统和方法
    • US08869915B2
    • 2014-10-28
    • US13727678
    • 2012-12-27
    • Longyear TM, Inc.
    • Mark Knolle
    • E21B7/00E21C37/14
    • E21C37/14E21B7/24E21B21/16
    • A system for removing desired subsurface materials. A drilling system has a sonic drill head assembly capable of rotating a drill string and transmitting oscillating forces to the drill string. A material removal system comprises an outer tube attachable to the drill string. An inner tube has an outer diameter sized so that that at least a portion of the inner tube is positionable in an inner volume of the outer tube with an annular void defined between the outer tube and the inner tube. A distal end of the inner tube defines at least one opening such that an interior conduit of the inner tube is in fluid communication with the annular void outside of the distal end of the inner tube. Pressurized fluid can be urged from the annular void through the opening to the interior conduit, entraining the desired subsurface materials therein for removal to a discharge tank.
    • 一种用于去除所需地下材料的系统。 钻井系统具有能够旋转钻柱并将振荡力传递到钻柱的声波钻头组件。 材料去除系统包括可附接到钻柱的外管。 内管具有外径尺寸,使得内管的至少一部分可定位在外管的内容积中,并具有限定在外管和内管之间的环形空隙。 内管的远端限定至少一个开口,使得内管的内部管道与内管的远端外部的环形空腔流体连通。 加压流体可以从环形空隙通过开口被推压到内部导管,将期望的地下物料夹带在其中以移出到排出罐。