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。

公开(公告)号：US20070102200A1

公开(公告)日：2007-05-10

申请号：US11540912

申请日：2006-09-29

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

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

IPC分类号： E21B10/00

CPC分类号： E21B10/00 ,  E21B10/567

摘要： Rotary drill bits for drilling subterranean formations include a bit body and at least one cutting structure disposed on a face thereof. The bit body includes a crown region comprising a particle-matrix composite material that includes a plurality of boron carbide particles dispersed throughout an aluminum or aluminum-based alloy matrix material. In some embodiments, the matrix material may include a continuous solid solution phase and a discontinuous precipitate phase. Methods of manufacturing rotary drill bits for drilling subterranean formations include infiltrating a plurality of boron carbide particles with a molten aluminum or aluminum-based material. In additional methods, a green powder component is provided that includes a plurality of particles each comprising boron carbide and a plurality of particles each comprising aluminum or an aluminum-based alloy material. The green powder component is at least partially sintered to provide a bit body, and a shank is attached to the bit body.

摘要翻译： 用于钻探地层的旋转钻头包括钻头体和设置在其表面上的至少一个切割结构。 钻头体包括冠部区域，其包括颗粒 - 基质复合材料，其包括分散在整个铝或铝基合金基体材料中的多个碳化硼颗粒。 在一些实施方案中，基质材料可以包括连续的固溶相和不连续的沉淀相。 用于钻探地下地层的旋转钻头的制造方法包括用熔融的铝或铝基材料渗透多个碳化硼颗粒。 在另外的方法中，提供了一种绿色粉末组分，其包括多个颗粒，每个颗粒包含碳化硼和多个颗粒，每个颗粒包括铝或铝基合金材料。 绿色粉末成分至少部分地被烧结以提供钻头体，并且柄部附接到钻头体上。

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：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：US20050247491A1

公开(公告)日：2005-11-10

申请号：US11116752

申请日：2005-04-28

申请人： Prakash Mirchandani ,  Jimmy Eason ,  James Oakes ,  James Westhoff ,  Gabriel Collins ,  John Stevens ,  Steven Caldwell ,  Alfred Mosco

发明人： Prakash Mirchandani ,  Jimmy Eason ,  James Oakes ,  James Westhoff ,  Gabriel Collins ,  John Stevens ,  Steven Caldwell ,  Alfred Mosco

IPC分类号： C22C1/10 ,  C22C29/00 ,  C22C29/06 ,  E21B10/00 ,  E21B10/46 ,  E21B10/36

CPC分类号： E21B10/46 ,  B22F2005/001 ,  B22F2998/00 ,  C22C1/1068 ,  C22C29/00 ,  C22C29/005 ,  C22C29/067 ,  B22F7/06

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：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：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：US20070079992A1

公开(公告)日：2007-04-12

申请号：US11545914

申请日：2006-10-11

申请人： David Curry ,  James Overstreet ,  Jimmy Eason

发明人： David Curry ,  James Overstreet ,  Jimmy Eason

IPC分类号： E21B10/00

CPC分类号： C22C29/08 ,  B22F2005/001 ,  B22F2998/00 ,  E21B10/46 ,  B22F1/0014 ,  B22F1/0048

摘要： An earth-boring drill bit having a bit body with a cutting component formed from a tungsten carbide composite material is disclosed. The composite material includes a binder and tungsten carbide crystals comprising sintered pellets. The composite material may be used as a hardfacing on the body and/or cutting elements, or be used to form portions or all of the body and cutting elements. The pellets may be formed with a single mode or multi-modal size distribution of the crystals.

摘要翻译： 公开了一种具有由碳化钨复合材料形成的切割部件的钻头体的钻孔钻头。 复合材料包括粘合剂和包含烧结颗粒的碳化钨晶体。 复合材料可以用作身体和/或切割元件上的硬化面，或者用于形成身体和切割元件的部分或全部。 颗粒可以用晶体的单模或多模尺寸分布形成。

公开(公告)号：US20050211475A1

公开(公告)日：2005-09-29

申请号：US10848437

申请日：2004-05-18

申请人： Prakash Mirchandani ,  Jimmy Eason ,  James Oakes ,  James Westhoff ,  Gabriel Collins

发明人： Prakash Mirchandani ,  Jimmy Eason ,  James Oakes ,  James Westhoff ,  Gabriel Collins

IPC分类号： C22C1/10 ,  C22C29/00 ,  C22C29/06 ,  E21B10/00 ,  E21B10/46

CPC分类号： E21B10/46 ,  B22F2005/001 ,  B22F2998/00 ,  C22C1/1068 ,  C22C29/00 ,  C22C29/005 ,  C22C29/067 ,  B22F7/06

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 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。 粘合剂可以包括选自钴，镍和铁中的至少一种金属，以及至少一种选自30-60重量％范围的过渡金属碳化物，至多10重量％的硼酸盐 至20重量％，最高达20重量％的铬，和至多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。