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    Abrasive wear-resistant materials, drill bits and drilling tools including abrasive wear-resistant materials, methods for applying abrasive wear-resistant materials to drill bits and drilling tools, and methods for securing cutting elements to a drill bit
    11.
    发明申请
    Abrasive wear-resistant materials, drill bits and drilling tools including abrasive wear-resistant materials, methods for applying abrasive wear-resistant materials to drill bits and drilling tools, and methods for securing cutting elements to a drill bit 有权
    磨料耐磨材料，钻头和钻具，包括磨料耐磨材料，将磨料耐磨材料应用于钻头和钻孔工具的方法以及将切割元件固定在钻头上的方法

    公开(公告)号：US20070056776A1

    公开(公告)日：2007-03-15

    申请号：US11223215

    申请日：2005-09-09

    申请人： James Overstreet

    发明人： James Overstreet

    IPC分类号： E21B10/36

    CPC分类号： E21B10/567 ,  B22F7/062 ,  B22F2005/001 ,  B24D3/06 ,  C22C29/08 ,  C22C32/0052 ,  E21B10/46 ,  E21B10/573

    摘要： An abrasive wear-resistant material includes a matrix and sintered and cast tungsten carbide pellets. A device for use in drilling subterranean formations includes a first structure secured to a second structure with a bonding material. An abrasive wear-resistant material covers the bonding material. The first structure may include a drill bit body and the second structure may include a cutting element. A method for applying an abrasive wear-resistant material to a drill bit includes providing a bit, mixing sintered and cast tungsten carbide pellets in a matrix material to provide a pre-application material, heating the pre-application material to melt the matrix material, applying the pre-application material to the bit, and solidifying the material. A method for securing a cutting element to a bit body includes providing an abrasive wear-resistant material to a surface of drill bit that covers a brazing alloy disposed between the cutting element and the bit body.

    摘要翻译： 磨料耐磨材料包括基体和烧结和铸造碳化钨球粒。 用于钻探地下地层的装置包括用粘合材料固定到第二结构的第一结构。 磨料耐磨材料覆盖接合材料。 第一结构可以包括钻头体，并且第二结构可以包括切割元件。 将磨料耐磨材料施加到钻头的方法包括提供钻头，将基体材料中的烧结和铸造碳化钨球粒混合以提供预施加材料，加热预施加材料以熔化基体材料， 将预施加材料施加到钻头上，并固化材料。 用于将切割元件固定到钻头体的方法包括向钻头的表面提供磨料耐磨材料，该钻头覆盖设置在切割元件和钻头体之间的钎焊合金。

    Reamer With Stabilizers For Use In A Wellbore
    13.
    发明申请
    Reamer With Stabilizers For Use In A Wellbore 有权
    具有稳定剂的铰刀用于井筒

    公开(公告)号：US20090166093A1

    公开(公告)日：2009-07-02

    申请号：US12341263

    申请日：2008-12-22

    申请人： Rudolf Carl Pessier ,  Robert J. Buske ,  James Overstreet

    发明人： Rudolf Carl Pessier ,  Robert J. Buske ,  James Overstreet

    IPC分类号： E21B10/30 ,  E21B10/08 ,  E21B10/28 ,  E21B10/26

    CPC分类号： E21B10/28 ,  E21B17/1092

    摘要： A reamer bit for use in earth boring operations comprising a body, cutter mounts having rolling cutters on the bit body, and stabilizers pads on the body placed between adjacent cutter mounts. The reamer may further include a pilot bit on a drill pipe extending downward from the reamer body. The reamer bit outer periphery with its stabilizers and bit body has a radial profile approximating a circle thereby reducing dynamic perturbations during drilling operations.

    摘要翻译： 一种用于地面钻孔操作的铰刀钻头，其包括主体，在钻头体上具有滚动切割器的切割器支架以及放置在相邻切割器支架之间的主体上的稳定器垫。 扩孔器还可以包括在从扩孔器主体向下延伸的钻杆上的导向钻头。 具有其稳定器和钻头体的铰刀钻头外周具有近似圆形的径向轮廓，从而减少了钻井操作期间的动态扰动。

    METHODS FOR APPLYING WEAR-RESISTANT MATERIAL TO EXTERIOR SURFACES OF EARTH-BORING TOOLS AND RESULTING STRUCTURES
    14.
    发明申请
    METHODS FOR APPLYING WEAR-RESISTANT MATERIAL TO EXTERIOR SURFACES OF EARTH-BORING TOOLS AND RESULTING STRUCTURES 有权
    将耐磨材料应用于地球工具外壳表面和结构结构的方法

    公开(公告)号：US20080083568A1

    公开(公告)日：2008-04-10

    申请号：US11864482

    申请日：2007-09-28

    申请人： James Overstreet ,  Michael Doster ,  Mark Morris ,  Kenneth Gilmore ,  Robert Welch ,  Danielle Roberts

    发明人： James Overstreet ,  Michael Doster ,  Mark Morris ,  Kenneth Gilmore ,  Robert Welch ,  Danielle Roberts

    IPC分类号： E21B10/46 ,  B21K5/04

    CPC分类号： E21B10/54 ,  E21B10/43

    摘要： Earth-boring tools include wear-resistant materials disposed in at least one recess formed in an exterior surface of a body thereof. Exposed surfaces of the wear-resistant material are substantially level with exterior surfaces of the body adjacent the wear-resistant material. In some embodiments, recesses may be formed in formation-engaging surfaces of blades of earth-boring rotary tools, adjacent one or more inserts secured to bodies of earth-boring tools, or adjacent one or more cutting elements secured to bodies of earth-boring tools. Methods of forming earth-boring tools include filling one or more recesses formed in an exterior surface of a body with wear-resistant material and causing exposed surfaces of the wear-resistant material to be substantially level with the exterior surface of the body.

    摘要翻译： 钻孔工具包括设置在形成在其本体的外表面中的至少一个凹部中的耐磨材料。 耐磨材料的露出表面与身体的与耐磨材料相邻的外表面基本平齐。 在一些实施例中，凹槽可以形成在钻孔旋转工具的叶片的形成接合表面中，邻近一个或多个插入件固定到钻孔工具的主体上，或者邻近一个或多个切割元件固定到镗孔体 工具 形成钻孔工具的方法包括用耐磨材料填充形成在主体的外表面中的一个或多个凹部，并使耐磨材料的暴露表面与主体的外表面基本平齐。

    Composite materials including nickel-based matrix materials and hard particles, tools including such materials, and methods of using such materials
    16.
    发明申请
    Composite materials including nickel-based matrix materials and hard particles, tools including such materials, and methods of using such materials 有权
    包括镍基基质材料和硬质颗粒的复合材料，包括这种材料的工具以及使用这种材料的方法

    公开(公告)号：US20070056777A1

    公开(公告)日：2007-03-15

    申请号：US11513677

    申请日：2006-08-30

    申请人： James Overstreet

    发明人： James Overstreet

    IPC分类号： E21B10/36

    CPC分类号： E21B10/46 ,  B22F7/062 ,  B22F2005/001 ,  C22C29/08 ,  E21B10/573

    摘要： An abrasive wear-resistant material includes a matrix and sintered and cast tungsten carbide granules. A device for use in drilling subterranean formations includes a first structure secured to a second structure with a bonding material. An abrasive wear-resistant material covers the bonding material. The first structure may include a drill bit body and the second structure may include a cutting element. A method for applying an abrasive wear-resistant material to a drill bit includes providing a bit, mixing sintered and cast tungsten carbide granules in a matrix material to provide a pre-application material, heating the pre-application material to melt the matrix material, applying the pre-application material to the bit, and solidifying the material. A method for securing a cutting element to a bit body includes providing an abrasive wear-resistant material to a surface of a drill bit that covers a brazing alloy disposed between the cutting element and the bit body.

    摘要翻译： 磨料耐磨材料包括基体和烧结和铸造的碳化钨颗粒。 用于钻探地下地层的装置包括用粘合材料固定到第二结构的第一结构。 磨料耐磨材料覆盖接合材料。 第一结构可以包括钻头体，并且第二结构可以包括切割元件。 将磨料耐磨材料施加到钻头的方法包括提供钻头，将基体材料中的烧结和铸造碳化钨颗粒混合以提供预施加材料，加热预施加材料以熔化基质材料， 将预施加材料施加到钻头上，并固化材料。 用于将切割元件固定到钻头体的方法包括向钻头的表面提供磨料耐磨材料，所述钻头覆盖设置在切割元件和钻头体之间的钎焊合金。

    Bit leg and cone hardfacing for earth-boring bit
    17.
    发明申请
    Bit leg and cone hardfacing for earth-boring bit 有权

    公开(公告)号：US20060207803A1

    公开(公告)日：2006-09-21

    申请号：US11377588

    申请日：2006-03-16

    申请人： James Overstreet

    发明人： James Overstreet

    IPC分类号： E21B10/00

    CPC分类号： B22F7/06 ,  B22F2999/00 ,  B23K9/04 ,  B23K35/004 ,  B23K35/327 ,  C23C4/02 ,  C23C4/06 ,  C23C4/18 ,  C23C24/10 ,  C23C26/02 ,  C23C30/005 ,  E21B10/50 ,  C22C29/06 ,  B22F1/0048

    摘要： An earth-boring bit has a bit body, and a bit leg depending from the bit body with a circumferentially extending outer surface, a leading side and a trailing side. A cone is rotatably mounted on a cantilevered bearing shaft depending inwardly from the bit leg. A first layer of a hardfacing composition of carbide particles dispersed in a nickel-based matrix is formed on the bit leg. A second layer of a hardfacing composition of carbide particles dispersed in an iron-based matrix that is formed on the cone. The first layer of hardfacing is applied by conveying carbide particles in a nickel-based matrix through a pulsed plasma transferred arc process. The second layer of hardfacing is applied with a torch and a hardfacing tube comprising carbide particles held within an iron-based tube.