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91. 发明授权

US6135219A Earth-boring bit with super-hard cutting elements 失效
标题翻译：地球钻头与超硬切割元素
公开(公告)号：US6135219A
公开(公告)日：2000-10-24
申请号：US218952
申请日：1998-12-22
申请人： Danny E. Scott
发明人： Danny E. Scott
IPC分类号： E21B10/16 , E21B10/46 , E21B10/52 , E21B10/56 , E21B10/567
CPC分类号： E21B10/5673 , E21B10/16 , E21B10/52
摘要： An earth-boring bit has a bit body and at least one cantilevered bearing shaft depending inwardly and downwardly from the bit body. A cutter is mounted for rotation on the bearing shaft and includes a plurality of cutting elements. At least one of the cutting elements has a generally cylindrical body formed of hard metal with a convex cutting end. A plurality of recesses extend longitudinally from the apex to the junction. The recesses are shallow grooves symmetrically spaced about the axis. A layer of super-hard material is formed on the cutting end of the body and overlays the recesses formed thereon.
摘要翻译：钻头具有一定体积，至少有一个悬臂轴承轴从钻头体向内和向下偏移。安装刀具用于在轴承轴上旋转并且包括多个切割元件。至少一个切割元件具有由具有凸形切割端的硬质金属形成的大致圆柱形的主体。多个凹部从顶点纵向延伸到结。凹槽是围绕轴对称地间隔的浅槽。在本体的切割端上形成一层超硬材料，并覆盖其上形成的凹部。

92. 发明授权

US5287936A Rolling cone bit with shear cutting gage 失效
标题翻译：滚动锥头与剪切量规
公开(公告)号：US5287936A
公开(公告)日：1994-02-22
申请号：US830130
申请日：1992-01-31
申请人： Robert E. Grimes , Danny E. Scott
发明人： Robert E. Grimes , Danny E. Scott
IPC分类号： E21B10/16 , E21B10/50 , E21B10/52 , E21B10/56 , E21B10/567 , E21B10/573 , E21B17/10 , E21B10/00
CPC分类号： E21B10/567 , E21B10/16 , E21B10/50 , E21B10/52 , E21B10/5673 , E21B10/5735 , E21B17/1092
摘要： A cutter of an earth-boring bit is provided with hard gage inserts that protrude from the gage surface of the cutter to engage the side of the borehole for holding gage. The gage insert has a substantially flat face with sharp cutting edges formed thereon and has cutting surfaces that define a negative rake angle with respect to the sidewall of the borehole that is being sheared by the gage insert. The face, cutting edge, and cutting surface of the gage insert are formed of a super-hard and abrasion-resistant material such as polycrystalline diamond or cubic boron nitride. The body of the insert is formed of a hard, fracture-tough material such as cemented tungsten carbide. The improved gage inserts are secured into sockets in the gage surface of the rolling cone cutter by interference fit. The improved gage inserts provide an actively cutting gage surface that engages the sidewall of the borehole to promote shearing removal of the sidewall material.
摘要翻译：钻孔钻头的刀具设置有从量规表面突出的硬量规插入件以接合用于保持量具的钻孔侧。量具插入件具有基本上平坦的表面，其上形成有锋利的切割边缘，并且具有切割表面，该切割表面相对于正在被计量插入件剪切的钻孔的侧壁限定负的前角。量规插入件的表面，切削刃和切削表面由超硬耐磨材料形成，例如多晶金刚石或立方氮化硼。插入物的主体由硬质的，断裂韧性的材料形成，如硬质合金碳化物。改进的量规插入件通过过盈配合固定在滚动锥形切割机的量规表面中的插座中。改进的量规插入件提供与钻孔的侧壁接合的主动切割表面，以促进侧壁材料的剪切移除。

93. 发明授权

US4726432A Differentially hardfaced rock bit 失效
标题翻译：差异化的岩石钻头
公开(公告)号：US4726432A
公开(公告)日：1988-02-23
申请号：US72315
申请日：1987-07-13
申请人： Danny E. Scott , Eric C. Sullivan
发明人： Danny E. Scott , Eric C. Sullivan
IPC分类号： B23K35/32 , C21D9/22 , E21B10/50
CPC分类号： E21B10/50 , B23K35/327 , C21D9/22 , Y10T29/49986
摘要： A method for manufacturing an earth boring drill bit and bit produced thereby are shown. The bit has rotatable cutters with a plurality of milled teeth, each of the teeth having opposing flanks. A first tube hardfacing is applied to a selected one of the opposing flanks, the hardfacing comprising a metallic binder with wear-resistant particles dispersed throughout the binder. The other of the opposing flanks has a second tube hardfacing applied thereto. The particle size of the wear-resistant particles differs between the first and second tube hardfacings so that the resulting difference in abrasion resistance of the tooth flanks produces a self-sharpening effect as the tooth wears.
摘要翻译：示出了由此制造的钻孔钻头和钻头的制造方法。该钻头具有多个铣削齿的可旋转刀具，每个齿具有相对的侧面。将第一管表面硬化施加到所选择的相对侧面中的一个，所述表面硬化包含金属粘合剂，所述粘合剂具有分散在整个粘合剂中的耐磨颗粒。另一个相对的侧面具有施加到其上的第二管表面硬化。耐磨颗粒的粒径在第一和第二管硬化之间是不同的，从而当牙齿磨损时，齿面的耐磨性差异产生自磨损效果。

94. 发明授权

US08061456B2 Chamfered edge gage cutters and drill bits so equipped 有权
标题翻译：倒角边缘切割机，钻头如此装备，以及切割机制造方法
公开(公告)号：US08061456B2
公开(公告)日：2011-11-22
申请号：US12198246
申请日：2008-08-26
申请人： Suresh G. Patel , Danny E. Scott , L. Allen Sinor
发明人： Suresh G. Patel , Danny E. Scott , L. Allen Sinor
IPC分类号： E21B10/52
CPC分类号： E21B10/5673
摘要： A cutting element for an earth boring bit, may include a PDC layer having a flat on a periphery thereof, the flat terminating longitudinally at an edge spaced from a cutting face of the PDC layer. A chamfer adjacent to the cutting face desirably has a length that exceeds its depth. A cutting element may additionally include a chamfer along the entire circumference, multiple step-wise, radially adjacent chamfers, and multiple circumferentially spaced portions of the uppermost radius of the PDC layer of the cutting element that each includes a chamfer with an associated flat. Additionally, a cutting element may include a flat terminating at a radial edge with the cutting face of a PDC layer.
摘要翻译：用于钻孔钻头的切割元件可以包括在其周边具有平坦的PDC层，该平坦部分在与PDC层的切割面间隔开的边缘处纵向延伸。与切割面相邻的倒角理想地具有超过其深度的长度。切割元件可以另外包括沿着整个圆周的倒角，多个逐步的，径向相邻的倒角，以及切割元件的PDC层的最上半径的多个周向间隔的部分，每个包括具有相关平面的倒角。此外，切割元件可以包括在PDC层的切割面的径向边缘终止的平面。

95. 发明授权

US07243745B2 Cutting elements and rotary drill bits including same 有权
标题翻译：切割元件和旋转钻头包括相同的
公开(公告)号：US07243745B2
公开(公告)日：2007-07-17
申请号：US10901836
申请日：2004-07-28
申请人： Marcus R. Skeem , Danny E. Scott , Jeffrey B. Lund
发明人： Marcus R. Skeem , Danny E. Scott , Jeffrey B. Lund
IPC分类号： E21B1/36 , E21B10/36
CPC分类号： E21B10/5735
摘要： A cutting element for a rotary drill bit that has a superabrasive member joined to a substrate at a three-dimensional interface is disclosed. The interface of the cutting element preferably incorporates a first ring pattern comprising a plurality of circumferentially arranged raised sections which are separated by a plurality of radially extending grooves. Also, the interface configuration may include at least a second ring pattern comprising a plurality of circumferentially arranged raised sections which are separated by a plurality of radially extending grooves. Radially adjacent ring patterns may substantially circumferentially overlap with one another. An interface of a cutting element including at least one ring pattern having an odd number of sections is also disclosed. Further, rotary drill bits including at least one such cutting element are disclosed.
摘要翻译：公开了一种用于旋转钻头的切割元件，其具有在三维界面处连接到基底的超研磨构件。切割元件的界面优选地包括第一环形图案，该第一环形图案包括由多个径向延伸的凹槽分开的多个周向布置的凸起部分。此外，接口构造可以包括至少第二环形图案，其包括由多个径向延伸的凹槽分开的多个周向布置的凸起部分。径向相邻的环形图案可以基本上在周向上彼此重叠。还公开了包括具有奇数个部分的至少一个环形图案的切割元件的界面。此外，公开了包括至少一个这种切割元件的旋转钻头。

96. 发明授权

US07188692B2 Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped 有权
标题翻译：具有增强的耐久性的超级磨料切削元件，其制造方法以及如此装备的钻头
公开(公告)号：US07188692B2
公开(公告)日：2007-03-13
申请号：US11204289
申请日：2005-08-15
申请人： Jeffrey B. Lund , Danny E. Scott , Marcus R. Skeem
发明人： Jeffrey B. Lund , Danny E. Scott , Marcus R. Skeem
IPC分类号： E21B10/36
CPC分类号： E21B10/567
摘要： A superabrasive cutting element including a diamond or other superabrasive material table having a peripheral cutting edge defined by at least two adjacent chamfers having an arcuate surface substantially tangent to each of the at least two chamfers interposed therebetween. Methods of producing such superabrasive cutting elements and drill bits equipped with such superabrasive cutting elements are also disclosed.
摘要翻译：一种超研磨切割元件，包括金刚石或其它超级磨料材料台，其具有由至少两个相邻倒角限定的周边切削刃，所述外周切削刃具有与插入其中的所述至少两个倒角中的每一个基本相切的弓形表面。还公开了生产这种超研磨切割元件的方法和配备有这种超级磨料切割元件的钻头。

97. 发明授权

US06739417B2 Superabrasive cutters and drill bits so equipped 有权
标题翻译：超级磨刀和钻头如此配备
公开(公告)号：US06739417B2
公开(公告)日：2004-05-25
申请号：US10365265
申请日：2003-02-11
申请人： Redd H. Smith , Danny E. Scott , Craig H. Cooley , Marcus R. Skeem
发明人： Redd H. Smith , Danny E. Scott , Craig H. Cooley , Marcus R. Skeem
IPC分类号： E21B1046
CPC分类号： E21B10/567 , E21B10/5735
摘要： A cutter for a drill bit has a superabrasive member joined to a substrate at a three-dimensional interface. The three-dimensional interface comprises a protrusive pattern of interconnected elements comprising projections of the superabrasive member into the substrate and vice versa. The protrusive pattern comprises at least one generally annular member intersected by a series of generally radially extending members for distributing stresses along the interface, enhancing compressive strength, and enabling optimization of the magnitudes and locations of beneficial residual stresses in the superabrasive member and in the vicinity of the substrate.
摘要翻译：用于钻头的切割器具有在三维界面处连接到基底的超级磨料构件。三维界面包括互连元件的突出图案，其包括超研磨件进入衬底的凸起，反之亦然。突出图案包括至少一个大致环形的构件，其与一系列通常径向延伸的构件相交，用于沿着界面分布应力，增强压缩强度，并且能够优化超研磨构件和附近的有益残余应力的大小和位置的基底。

98. 发明授权

US06684966B2 PCD face seal for earth-boring bit 有权
标题翻译： PCD面密封用于钻孔钻头
公开(公告)号：US06684966B2
公开(公告)日：2004-02-03
申请号：US09982899
申请日：2001-10-18
申请人： Chih Lin , Terry Koltermann , Danny E. Scott
发明人： Chih Lin , Terry Koltermann , Danny E. Scott
IPC分类号： E21B1022
CPC分类号： E21B10/25 , F16C33/72 , F16C2352/00 , F16J15/3496
摘要： An earth-boring bit has a mechanical face seal assembly with PCD faces. The bit has a bearing shaft with a cone rotatably mounted on the bearing shaft. The seal locates between the bearing shaft and the cone for sealing lubricant therein. The seal includes at least one rigid seal ring having a carbide body and an annular PCD face located on it. The mating face may also be of a PCD material.
摘要翻译：钻头具有带PCD面的机械表面密封组件。该钻头具有轴承轴，其中锥体可旋转地安装在轴承轴上。密封件位于轴承轴和锥体之间，用于密封润滑剂。密封件包括至少一个硬质密封环，其具有碳化物本体和位于其上的环形PCD面。配合面也可以是PCD材料。

99. 发明授权

US06499547B2 Multiple grade carbide for diamond capped insert 有权
标题翻译：金刚石加盖刀片的多级碳化物
公开(公告)号：US06499547B2
公开(公告)日：2002-12-31
申请号：US09799259
申请日：2001-03-05
申请人： Danny E. Scott , Marcus R. Skeem
发明人： Danny E. Scott , Marcus R. Skeem
IPC分类号： E21B1056
CPC分类号： E21B10/567 , B22F7/06 , B22F2003/248 , B22F2005/001 , B22F2998/00 , B22F2998/10 , E21B10/16 , E21B10/5735 , B22F2207/01 , B22F3/14 , B22F3/1028
摘要： An insert for a rolling cone earth-boring bit has a cylindrical base that interferingly presses into a mating hole formed in a cone of the bit. The insert has a convex end that extends from the base. A polycrystalline diamond cap is bonded to the convex end. The body is formed of at least two layers of carbide material having different mechanical properties, particularly a different modulus of elasticity. The first layer may have a metallic binder with a lesser percentage than the binder of the second layer to reduce the stress at the interface between the first layer and the diamond cap. The layers may have different average carbide grain sizes, with finer average grain sizes adjoining the diamond cap. Further, the layers may have different binders, with cobalt being the binder in the layer adjoining the diamond cap and either nickel or a nickel-cobalt alloy in another layer.
摘要翻译：用于滚动圆锥钻头的插入件具有圆柱形基座，其干涉地压入形成在钻头锥体中的配合孔中。插入件具有从基部延伸的凸出端。多晶金刚石盖结合到凸出端。主体由具有不同机械性能，特别是不同弹性模量的至少两层碳化物材料形成。第一层可以具有比第二层的粘合剂更小百分比的金属粘合剂，以减少第一层和金刚石盖之间的界面处的应力。这些层可以具有不同的平均碳化物颗粒尺寸，其具有与金刚石盖相邻的较细的平均颗粒尺寸。此外，这些层可以具有不同的粘合剂，其中钴是与金刚石盖相邻的层中的粘合剂，以及另一层中的镍或镍 - 钴合金。

100. 发明授权

US06328117B1 Drill bit having a fluid course with chip breaker 有权
标题翻译：具有断路器的流道的钻头
公开(公告)号：US06328117B1
公开(公告)日：2001-12-11
申请号：US09543490
申请日：2000-04-06
申请人： Sean K. Berzas , Ralf Duerholt , Rudolf C. O. Pessier , Danny E. Scott
发明人： Sean K. Berzas , Ralf Duerholt , Rudolf C. O. Pessier , Danny E. Scott
IPC分类号： E21B1046
CPC分类号： E21B10/55 , E21B2010/566
摘要： A chip breaker for use in a fixed-cutter, rotary-type drill bit used in drilling subterranean formations is disclosed. The chip breaker includes a knife-like protrusion positioned proximate a cutting element and adjacent or in a fluid course defined by the drill bit body. As formation chips, shavings, or cuttings are generated during drilling, the chips move over the protrusion and are split or scribed by the protrusion. Drilling fluid breaks the split or scribed chips away from the surface of the fluid course adjacent the cutting element and transports them through the junk slots. Additionally, chip splitters may be positioned on ramped surfaces that further lift the formation chips away from the surface of the fluid course.
摘要翻译：公开了一种用于钻井地下地层中的固定刀具旋转式钻头的断屑器。断屑器包括位于切割元件附近的相邻或由钻头体定义的流体过程中的刀状突起。由于在钻孔期间产生地层碎屑，碎屑或切屑，碎片在突起上移动并被突起分裂或划刻。钻井液将分裂或划线的切屑从与切割元件相邻的流体流道的表面远离，并将其输送通过垃圾槽。另外，芯片分离器可以定位在斜面上，该表面进一步将地层芯片从流体流道的表面远离。

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