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1. 发明申请

US20080101977A1 SINTERED BODIES FOR EARTH-BORING ROTARY DRILL BITS AND METHODS OF FORMING THE SAME 审中-公开
标题翻译：用于接地旋转钻头的烧结体及其形成方法
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。

2. 发明申请

US20070102202A1 Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits 有权
标题翻译：包括加强钛或钛基合金基体材料的钻头体的钻孔旋转钻头以及用于形成这种钻头的方法
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。

3. 发明申请

US20070102200A1 Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits 有权
标题翻译：具有在铝或铝基合金基体材料中具有碳化硼颗粒的钻头体的钻孔旋转钻头以及用于形成这种钻头的方法
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。

4. 发明申请

US20050247491A1 Earth-boring bits 有权
标题翻译：无聊的钻头
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。

5. 发明申请

US20070243099A1 Components of earth-boring tools including sintered composite materials and methods of forming such components 有权
标题翻译：镗孔工具的组成部分包括烧结复合材料和形成这些部件的方法
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。

6. 发明申请

US20050117984A1 Consolidated hard materials, methods of manufacture and applications 有权
标题翻译：综合硬质材料，制造方法和应用
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。

7. 发明申请

US20050211475A1 Earth-boring bits 审中-公开
标题翻译：无聊的钻头
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。

8. 发明申请

US20070107942A1 HARDFACING MATERIALS WITH HIGHLY CONFORMING PROPERTIES 审中-公开
标题翻译：具有高度一致性的硬化材料
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。

9. 发明申请

US20070102199A1 Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies 有权
标题翻译：钻孔旋转钻头及制造带钻粒复合钻头体的钻孔旋转钻头的方法
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。

10. 发明申请

US20070102198A1 Earth-boring rotary drill bits and methods of forming earth-boring rotary drill bits 有权
标题翻译：钻孔旋转钻头和钻孔旋转钻头的方法
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。

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