公开(公告)号：US20050263327A1

公开(公告)日：2005-12-01

申请号：US10855552

申请日：2004-05-27

申请人： Matthew Meiners ,  Raul Lema ,  Jimmy Eason

发明人： Matthew Meiners ,  Raul Lema ,  Jimmy Eason

IPC分类号： E21B10/00 ,  E21B10/52

CPC分类号： E21B10/52

摘要： A tungsten carbide compact of an earth boring bit has a cutting tip that is generally chisel-shaped with substantially flat flanks converging to an elongated crest. One of the flanks is smaller and has a greater included angle relative to the axis of the compact than the other flank. Shoulders extend from opposite ends of the crest. One shoulder has a radius of curvature that is smaller than the other shoulder.

摘要翻译： 钻孔钻头的碳化钨压块具有通常凿形的切削刀片，基本上平坦的侧翼会聚到细长的顶部。 侧面中的一个较小，并且相对于紧凑件的轴线具有比另一侧面更大的夹角。 肩膀从顶部的两端延伸。 一个肩部具有小​​于另一个肩部的曲率半径。

公开(公告)号：US20070107942A1

公开(公告)日：2007-05-17

申请号：US11560148

申请日：2006-11-15

申请人： James Overstreet ,  David Curry ,  Jimmy Eason ,  John Stevens ,  Eric Sullivan

发明人： James Overstreet ,  David Curry ,  Jimmy Eason ,  John Stevens ,  Eric Sullivan

IPC分类号： E21B10/00

CPC分类号： E21B10/46 ,  C23C30/005

摘要： An earth-boring bit, and a method of increasing the durability of the same, which includes the step providing a pliable sheet of a hardfacing matrix material. The pliable sheet of hardfacing material has a nickel and chromium matrix combined with a first element. The first element is selected from a group consisting of spherical sintered tungsten carbide, spherical cast tungsten carbide, and metallic glass. The hardfacing matrix material sheet is placed on a preselected surface of the drill bit. The hardfacing matrix material sheet is then fusion bonded to the drill bit.

摘要翻译： 一种钻孔钻头，以及增加其耐久性的方法，其包括提供耐磨表面材料的柔韧片材的步骤。 柔性表面材料片具有与第一元素组合的镍和铬基质。 第一元素选自球形烧结碳化钨，球形铸造碳化钨和金属玻璃。 将表面硬化的基体材料片放置在钻头的预选表面上。 然后将表面硬化的基体材料片材熔合在钻头上。

公开(公告)号：US20070243099A1

公开(公告)日：2007-10-18

申请号：US11811664

申请日：2007-06-11

申请人： Jimmy Eason ,  James Westhoff ,  Roy Lueth

发明人： Jimmy Eason ,  James Westhoff ,  Roy Lueth

IPC分类号： C22C30/00 ,  B22F3/12

CPC分类号： E21B10/61 ,  B22F3/15 ,  B22F3/156 ,  B22F2003/241 ,  B22F2003/248 ,  B22F2009/041 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  Y10T408/78 ,  Y10T428/31855 ,  B22F3/24 ,  B22F2202/11 ,  B22F3/1035 ,  B22F9/04 ,  B22F1/025

摘要： The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using hard particles such as B4C or carbides or borides of W, Ti, Mo, Nb, V, Hf, Ta, Zr, and Cr in combination with an iron-based, nickel-based, nickel and iron-based, iron and cobalt-based, aluminum-based, copper-based, magnesium-based, or titanium-based alloy for the binder material. Commercially pure elements such as aluminum, copper, magnesium, titanium, iron, or nickel may also be used for the binder material. The mixture of the hard particles and the binder material may be consolidated at a temperature below the liquidus temperature of the binder material using a technique such as rapid omnidirectional compaction (ROC), the Ceracon™ process, or hot isostatic pressing (HIP). After sintering, the consolidated hard material may be treated to alter its material properties.

摘要翻译： 本发明包括固结的硬质材料，它们的生产方法，以及它们的工业钻孔和切割应用。 可以使用诸如B 4 C的硬质颗粒或W，Ti，Mo，Nb，V，Hf，Ta，Zr和Cr的碳化物或硼化物与铁组合来生产固结的硬质材料 的镍基，镍和铁基，铁和钴基，铝基，铜基，镁基或钛基合金。 商业上纯的元素如铝，铜，镁，钛，铁或镍也可用于粘合剂材料。 硬质颗粒和粘合剂材料的混合物可以使用诸如快速全向压实（ROC），Ceracon TM工艺或热等静压（HIP）等技术在低于粘合剂材料的液相线温度的温度下固化， 。 烧结后，可以处理固结的硬质材料以改变其材料性质。

公开(公告)号：US20050117984A1

公开(公告)日：2005-06-02

申请号：US10496246

申请日：2002-12-04

申请人： Jimmy Eason ,  James Westhoff ,  Roy Lueth

发明人： Jimmy Eason ,  James Westhoff ,  Roy Lueth

IPC分类号： B22F3/15 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  E21B10/60 ,  E21B10/61 ,  B23B27/14 ,  B23B51/00 ,  B32B27/00

CPC分类号： E21B10/61 ,  B22F3/15 ,  B22F3/156 ,  B22F2003/241 ,  B22F2003/248 ,  B22F2009/041 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  Y10T408/78 ,  Y10T428/31855 ,  B22F3/24 ,  B22F2202/11 ,  B22F3/1035 ,  B22F9/04 ,  B22F1/025

摘要： The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using hard particles such as B4C or carbides or borides of W, Ti, Mo, Nb, V, Hf, Ta, Zr, and Cr in combination with an iron-based, nickel-based, nickel and iron-based, iron and cobalt-based, aluminum-based, copper-based, magnesium-based, or titanium-based alloy for the binder material. Commercially pure elements such as aluminum, copper, magnesium, titanium, iron, or nickel may also be used for the binder material. The mixture of the hard particles and the binder material may be consolidated at a temperature below the liquidus temperature of the binder material using a technique such as rapid omnidirectional compaction (ROC), the Ceracon™ process, or hot isostatic pressing (HIP). After sintering, the consolidated hard material may be treated to alter its material properties.

摘要翻译： 本发明包括固结的硬质材料，它们的生产方法，以及它们的工业钻孔和切割应用。 可以使用诸如B 4 C的硬质颗粒或W，Ti，Mo，Nb，V，Hf，Ta，Zr和Cr的碳化物或硼化物与铁的组合来生产固结的硬质材料 的镍基，镍和铁基，铁和钴基，铝基，铜基，镁基或钛基合金。 商业上纯的元素如铝，铜，镁，钛，铁或镍也可用于粘合剂材料。 硬质颗粒和粘合剂材料的混合物可以使用诸如快速全向压实（ROC），Ceracon TM工艺或热等静压（HIP）等技术在低于粘合剂材料的液相线温度的温度下固化， 。 烧结后，可以处理固结的硬质材料以改变其材料性质。

公开(公告)号：US5609447A

公开(公告)日：1997-03-11

申请号：US314510

申请日：1994-09-28

申请人： Robert W. Britzke ,  Jimmy Eason ,  Zhigang Fang

发明人： Robert W. Britzke ,  Jimmy Eason ,  Zhigang Fang

IPC分类号： B23B51/02 ,  B24B3/26 ,  B24D3/26 ,  C21D3/04 ,  C21D9/22

CPC分类号： C21D9/22 ,  B23B51/02 ,  B24B3/26 ,  B24D3/26 ,  C21D3/04 ,  B23B2228/10 ,  B23B2251/122 ,  B23B2251/125 ,  B23B2251/18 ,  B23B2251/426 ,  Y10T408/78 ,  Y10T408/9097

摘要： A drill but having a drill body with a cutting tip, an axis of symmetry, and a plurality of flutes wherein said flutes have a rake surface at said cutting tip. The cutting tip includes a plurality of side blades between said flutes and joined at a web, a plurality of flank surfaces extending from an outer diameter of said cutting tip to said axis of symmetry, and a plurality of primary cutting edges at the intersection of said flank surfaces with said rake surfaces. Both the rake and flank surfaces have extensions which would intersect each other at an intersection. The primary cutting edges include an angular surface formed on the forward end of said rake surfaces which is located such that the length of said extension of said rake surface measured between said angular surface and said intersection is a first predetermined value and the length of said extension of said flank surface measured between said angular surface and said intersection is a second predetermined value. The primary cutting edges also have a hardened layer formed from the outer surface of the primary cutting edge.

摘要翻译： 一种钻头，但具有具有切割尖端，对称轴线和多个凹槽的钻体，其中所述凹槽在所述切割尖端处具有前刀面。 切割尖端包括在所述凹槽之间并在腹板处连接的多个侧叶片，从所述切割尖端的外径延伸到所述对称轴线的多个侧面表面以及在所述切口的交叉点处的多个主切削刃 具有所述前刀面的侧面。 两个耙面和侧面都有一个在交叉点处相交的延伸部分。 主切削刃包括形成在所述前刀面的前端上的角度表面，其被定位成使得在所述角度表面和所述相交处之间测量的所述前刀面的所述延伸部分的长度是第一预定值，并且所述延伸部分的长度 在所述角度表面和所述交点之间测量的所述侧面的第二预定值。 主切削刃还具有由主切削刃的外表面形成的硬化层。

公开(公告)号：US20080101977A1

公开(公告)日：2008-05-01

申请号：US11932027

申请日：2007-10-31

申请人： Jimmy Eason ,  James Westhoff ,  John Stevens

发明人： Jimmy Eason ,  James Westhoff ,  John Stevens

IPC分类号： B22F3/12

CPC分类号： C22C29/00 ,  B22F7/062 ,  C22C29/005 ,  E21B10/00

摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.

摘要翻译： 本发明涉及用于形成钻头的钻头体的组合物和方法。 钻头体可以包括硬质颗粒，其中硬颗粒包含至少一种碳化物，氮化物，硼化物及其氧化物和固体溶液，以及将硬颗粒结合在一起的粘合剂。 粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及任选地至少一种选自30-60重量％范围内的过渡金属碳化物的熔点降低成分，至多10重量％的硼 ，高达20重量％的硅，至多20重量％的铬，以及至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。 此外，硬质颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼， 铌和钨，和（iii）烧结的硬质合金颗粒。

公开(公告)号：US20080073125A1

公开(公告)日：2008-03-27

申请号：US11862719

申请日：2007-09-27

申请人： Jimmy Eason ,  James Overstreet

发明人： Jimmy Eason ,  James Overstreet

IPC分类号： E21B10/43

CPC分类号： E21B10/54 ,  B22F7/062 ,  B22F2005/001 ,  C22C29/08 ,  E21B10/46 ,  E21B10/573

摘要： An abrasive wear-resistant material includes a matrix material and a plurality of −40/+80 ASTM mesh dense sintered carbide pellets. A rotary drill bit having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body is provided. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also disclosed.

摘要翻译： 磨料耐磨材料包括基体材料和多个-40 / + 80 ASTM网状致密烧结碳化物颗粒。 提供了具有外表面的旋转钻头和设置在钻头体的外表面的至少一部分上的磨料耐磨材料。 还公开了将磨料耐磨材料施加到钻头表面的方法。

公开(公告)号：US20070102199A1

公开(公告)日：2007-05-10

申请号：US11272439

申请日：2005-11-10

申请人： Redd Smith ,  John Stevens ,  James Duggan ,  Nicholas Lyons ,  Jimmy Eason ,  Jared Gladney ,  James Oxford ,  Benjamin Chrest

发明人： Redd Smith ,  John Stevens ,  James Duggan ,  Nicholas Lyons ,  Jimmy Eason ,  Jared Gladney ,  James Oxford ,  Benjamin Chrest

IPC分类号： E21B10/00

CPC分类号： E21B10/00 ,  B22F7/062 ,  B22F7/08 ,  B22F2005/001 ,  B22F2005/002 ,  B22F2998/00 ,  B22F2998/10 ,  C22C26/00 ,  C22C29/06 ,  C22C29/14 ,  C22C29/16 ,  E21B10/54 ,  B22F3/162 ,  B22F3/15 ,  B22F3/1021

摘要： Methods of forming bit bodies for earth-boring bits include assembling green components, brown components, or fully sintered components, and sintering the assembled components. Other methods include isostatically pressing a powder to form a green body substantially composed of a particle-matrix composite material, and sintering the green body to provide a bit body having a desired final density. Methods of forming earth-boring bits include providing a bit body substantially formed of a particle-matrix composite material and attaching a shank to the body. The body is provided by pressing a powder to form a green body and sintering the green body. Earth boring Earth-boring bits include a unitary structure substantially formed of a particle-matrix composite material. The unitary structure includes a first region configured to carry cutters and a second region that includes a threaded pin. Earth-boring bits include a shank attached directly to a body substantially formed of a particle-matrix composite material.

摘要翻译： 用于钻孔钻头的钻头体的方法包括组装绿色部件，棕色部件或完全烧结的部件，并烧结组装的部件。 其他方法包括均匀地压制粉末以形成基本上由颗粒 - 基体复合材料组成的生坯，并且烧结生坯以提供具有所需最终密度的钻头体。 形成钻孔钻头的方法包括提供基本上由颗粒 - 基质复合材料形成的钻头体并将柄连接到主体上。 通过按压粉末以形成生坯并烧结生坯体来提供身体。 地球镗孔钻头包括基本上由颗粒 - 基质复合材料形成的单一结构。 整体结构包括构造成承载切割器的第一区域和包括螺纹销的第二区域。 钻孔钻头包括直接连接到基本上由颗粒 - 基体复合材料形成的主体上的柄。

公开(公告)号：US20070102198A1

公开(公告)日：2007-05-10

申请号：US11271153

申请日：2005-11-10

申请人： James Oxford ,  Jimmy Eason ,  Redd Smith ,  John Stevens ,  Nicholas Lyons

发明人： James Oxford ,  Jimmy Eason ,  Redd Smith ,  John Stevens ,  Nicholas Lyons

IPC分类号： E21B10/00

CPC分类号： E21B10/00 ,  B22F7/062 ,  B22F7/08 ,  B22F2003/245 ,  B22F2005/001 ,  B22F2005/002 ,  B22F2998/10 ,  C22C29/08 ,  E21B10/62 ,  B22F3/1021 ,  B22F3/162

摘要： Methods of forming earth-boring rotary drill bits include providing a bit body, providing a shank that is configured for attachment to a drill string, and attaching the shank to the bit body. Providing a bit body includes providing a green powder component having a first region having a first composition and a second region having a second, different composition, and at least partially sintering the green powder component. Other methods include providing a powder mixture, pressing the powder mixture to form a green component, and sintering the green component to a final density. A shank is provided that includes an aperture, and a feature is machined in a surface of the bit body. The aperture is aligned with the feature, and a retaining member is inserted through the aperture. An earth-boring bit includes a bit body comprising a particle-matrix composite material including a plurality of hard particles dispersed throughout a matrix material. A shank is attached to the bit body using a retaining member.

摘要翻译： 形成钻孔旋转钻头的方法包括提供钻头体，提供构造成用于附接到钻柱的柄，以及将柄连接到钻头体上。 提供有点体包括提供具有第一组分的第一区域和具有第二不同组成的第二区域并且至少部分地烧结绿色粉末组分的绿色粉末组分。 其他方法包括提供粉末混合物，挤压粉末混合物以形成绿色组分，并将绿色组分烧结至最终密度。 提供了一种柄，其包括孔，并且特征被加工在钻头体的表面中。 孔与该特征对准，并且保持构件插入穿过该孔。 一种钻孔钻头包括一个包括一颗粒基复合材料的钻头体，该复合材料包括分散在基体材料中的多个硬颗粒。 使用保持构件将柄连接到钻头体上。

公开(公告)号：US20070102202A1

公开(公告)日：2007-05-10

申请号：US11593437

申请日：2006-11-06

申请人： Heeman Choe ,  John Stevens ,  James Overstreet ,  James Westhoff ,  Jimmy Eason

发明人： Heeman Choe ,  John Stevens ,  James Overstreet ,  James Westhoff ,  Jimmy Eason

IPC分类号： E21B10/54

CPC分类号： E21B10/00 ,  B22F7/062 ,  B22F7/08 ,  B22F2005/002 ,  B22F2998/10 ,  C22C1/051 ,  C22C14/00 ,  C22C29/005 ,  C22C32/0047 ,  E21B10/567 ,  B22F3/04 ,  B22F3/162

摘要： Earth-boring rotary drill bits include bit bodies comprising a composite material including a plurality of hard phase regions or particles dispersed throughout a titanium or titanium-based alloy matrix material. The bits further include a cutting structure disposed on a face of the bit body. In some embodiments, the bit bodies may include a plurality of regions having differing material compositions. For example, the bit bodies may include a first region comprising a plurality of hard phase regions or particles dispersed throughout a titanium or titanium-based alloy matrix material, and a second region comprising a titanium or a titanium-based alloy material. Methods for forming such drill bits include at least partially sintering a plurality of hard particles and a plurality of particles comprising titanium or a titanium-based alloy material to form a bit body comprising a particle-matrix composite material. A shank may be attached directly to the bit body.

摘要翻译： 钻孔旋转钻头包括钻头体，其包括复合材料，所述复合材料包括分散在整个钛或钛基合金基体材料中的多个硬质相区域或颗粒。 钻头还包括设置在钻头体的表面上的切割结构。 在一些实施例中，钻头体可以包括具有不同材料组成的多个区域。 例如，钻头体可以包括包括分散在整个钛或钛基合金基体材料中的多个硬质相区域或颗粒的第一区域，以及包含钛或钛基合金材料的第二区域。 形成这种钻头的方法包括至少部分地烧结多个硬颗粒和多个包含钛或钛基合金材料的颗粒，以形成包含颗粒 - 基体复合材料的钻头体。 柄可以直接附接到钻头体上。