MATRIX POWDER FOR MATRIX BODY FIXED CUTTER BITS
    4.
    发明申请
    MATRIX POWDER FOR MATRIX BODY FIXED CUTTER BITS 审中-公开
    矩阵固定切割机基体矩阵

    公开(公告)号:US20120255793A1

    公开(公告)日:2012-10-11

    申请号:US13529513

    申请日:2012-06-21

    IPC分类号: E21B10/36

    摘要: A drill bit is disclosed that has a bit body with a plurality of blades extending radially therefrom and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades. At least a portion of the plurality of blades has a first matrix region made of a plurality of first carbide particles separated by a first binder phase, wherein the plurality of first carbide particles have a mean free path of at least 40 microns.

    摘要翻译: 公开了一种钻头,其具有带有从其径向延伸的多个叶片的钻头体和用于接合设置在多个叶片中的至少一个上的地层的至少一个切割元件。 多个叶片的至少一部分具有由多个由第一粘结相分离的第一碳化物颗粒制成的第一矩阵区域,其中多个第一碳化物颗粒具有至少40微米的平均自由程。

    Tough carbide bodies using encapsulated carbides
    6.
    发明授权
    Tough carbide bodies using encapsulated carbides 有权
    使用包封碳化物的硬质合金体

    公开(公告)号:US08342268B2

    公开(公告)日:2013-01-01

    申请号:US12539412

    申请日:2009-08-11

    IPC分类号: E21B10/46

    摘要: A drill bit that includes a bit body having a plurality of blades extending radially therefrom, wherein at least a portion of the bit body comprises a first matrix region comprising a plurality of primary carbide particles having an average mean free path of at least about 10 microns; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades is disclosed.

    摘要翻译: 一种钻头,其包括具有从其径向延伸的多个叶片的钻头体,其中所述钻头体的至少一部分包括第一矩阵区域,所述第一矩阵区域包括具有至少约10微米的平均平均自由程的多个一次碳化物颗粒 ; 并且公开了用于接合设置在所述多个叶片中的至少一个叶片上的地层的至少一个切割元件。

    Special curve braze sheet for top loading cutter to get better braze strength
    8.
    发明授权
    Special curve braze sheet for top loading cutter to get better braze strength 失效
    特殊曲线钎焊板用于顶部装载刀具以获得更好的钎焊强度

    公开(公告)号:US08776913B2

    公开(公告)日:2014-07-15

    申请号:US13272642

    申请日:2011-10-13

    IPC分类号: E21B10/36

    CPC分类号: E21B10/567 B23K1/0008

    摘要: A method of brazing a top loading cutter into a cutter pocket is disclosed, wherein the method includes placing at least one braze disc between an inner wall of the cutter pocket and a portion of the top loading cutter and heating the at least one braze disc to a temperature above the melting temperature of the braze disc.

    摘要翻译: 公开了一种将顶部装载刀具钎焊到刀具槽中的方法,其中该方法包括将至少一个钎焊盘放置在切割器槽的内壁和顶部加载刀具的一部分之间并将至少一个钎焊盘加热到 高于钎焊盘的熔化温度的温度。

    Barrier coated granules for improved hardfacing material using atomic layer deposition
    9.
    发明授权
    Barrier coated granules for improved hardfacing material using atomic layer deposition 有权
    阻隔涂层颗粒,用于使用原子层沉积来改善表面硬化材料

    公开(公告)号:US08056652B2

    公开(公告)日:2011-11-15

    申请号:US12133918

    申请日:2008-06-05

    IPC分类号: E21B10/36

    摘要: A hardfacing composition for a drill bit that includes an abrasive phase comprising a plurality of abrasive particles having a barrier coating deposited by atomic layer deposition disposed thereon; and a binder alloy is disclosed. Drill bits having hardfacing compositions that include an abrasive phase comprising a plurality of abrasive particles having a barrier coating deposited by atomic layer deposition disposed thereon; and a binder alloy are also disclosed.

    摘要翻译: 一种用于钻头的硬化组合物,其包括研磨相,所述磨料相包含多个磨料颗粒,所述磨料颗粒具有通过其上设置的原子层沉积沉积的阻挡涂层; 和粘合剂合金。 具有硬化组合物的钻头,其包括研磨相,所述研磨相包含多个磨料颗粒,所述研磨颗粒具有沉积在其上的原子层沉积沉积的阻挡涂层; 还公开了粘合剂合金。

    Impregnated drill bits and methods of manufacturing the same
    10.
    发明授权
    Impregnated drill bits and methods of manufacturing the same 有权
    浸渍钻头及其制造方法

    公开(公告)号:US08020640B2

    公开(公告)日:2011-09-20

    申请号:US12122526

    申请日:2008-05-16

    IPC分类号: E21B10/43

    摘要: A drill bit that includes a body having a lower end face for engaging a rock formation is disclosed. The end face has a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween. At least one of the plurality of ribs has a leading portion and a trailing portion, the leading portion comprising a first matrix material impregnated with super abrasive particles and the trailing portion comprising a second matrix material impregnated with super abrasive particles, wherein the first and second matrix materials differ from each other.

    摘要翻译: 公开了一种钻头,其包括具有用于接合岩层的下端面的主体。 端面具有从钻头体的表面延伸并由其间的多个通道隔开的多个凸肋。 所述多个肋中的至少一个具有引导部分和后部,所述引导部分包括浸渍有超级磨料颗粒的第一基体材料,所述后部部分包含浸渍有超磨料颗粒的第二基质材料,其中所述第一和第二 基质材料彼此不同。