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1. 发明授权

US06460637B1 Engineered enhanced inserts for rock drilling bits 有权
公开(公告)号：US06460637B1
公开(公告)日：2002-10-08
申请号：US09707612
申请日：2000-11-07
申请人： Michael A. Siracki , Chris E. Cawthorne , Per I. Nese , Madapusi K. Keshavan , J. Daniel Belnap , Ronald K. Eyre , Nathan R. Anderson
发明人： Michael A. Siracki , Chris E. Cawthorne , Per I. Nese , Madapusi K. Keshavan , J. Daniel Belnap , Ronald K. Eyre , Nathan R. Anderson
IPC分类号： E21B1036
CPC分类号： E21B17/1092 , E21B10/56
摘要： Enhanced inserts are formed having a cylindrical grip and a protrusion extending from the grip. An ultra hard material layer is bonded on top of the protrusion. The inserts are mounted on a rock bit and contact the earth formations off center. The ultra hard material layer is thickest at a critical zone which encompasses a major portion of the region of contact between the insert and the earth formation. Transition layers may also be formed between the ultra hard material layer and the protrusion so as to reduce the residual stresses formed on the interface between the ultra hard material and the protrusion.

2. 发明授权

US06484826B1 Engineered enhanced inserts for rock drilling bits 有权
标题翻译：用于岩石钻头的工程增强型插入件
公开(公告)号：US06484826B1
公开(公告)日：2002-11-26
申请号：US09707614
申请日：2000-11-07
申请人： Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
发明人： Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
IPC分类号： E21B1056
CPC分类号： E21B17/1092 , E21B10/56
摘要： Enhanced inserts are formed having a cylindrical grip and a protrusion extending from the grip. An ultra hard material layer is bonded on top of the protrusion. The inserts are mounted on a rock bit and contact the earth formations off center. The ultra hard material layer is thickest at a critical zone which encompasses a major portion of the region of contact between the insert and the earth formation. Transition layers may also be formed between the ultra hard material layer and the protrusion so as to reduce the residual stresses formed on the interface between the ultra hard material and the protrusion.
摘要翻译：增强的插入件形成有具有圆柱形把手和从握柄延伸的突出部。超硬材料层结合在突起的顶部。插入件安装在岩石钻头上，并与中心的地层接触。超硬材料层在包括插入件和地层之间的接触区域的主要部分的临界区域是最厚的。也可以在超硬材料层和突起之间形成过渡层，以减少在超硬材料和突起之间的界面上形成的残余应力。

3. 发明授权

US06419034B1 Engineered enhanced inserts for rock drilling bits 有权
公开(公告)号：US06419034B1
公开(公告)日：2002-07-16
申请号：US09707830
申请日：2000-11-07
申请人： J. Daniel Belnap , Ronald K. Eyre , Michael A. Siracki , Per I. Nese , Madapusi K. Keshavan , Nathan R. Anderson
发明人： J. Daniel Belnap , Ronald K. Eyre , Michael A. Siracki , Per I. Nese , Madapusi K. Keshavan , Nathan R. Anderson
IPC分类号： E21B1056
CPC分类号： E21B17/1092 , E21B10/56
摘要： Enhanced inserts are formed having a cylindrical grip and a protrusion extending from the grip. An ultra hard material layer is bonded on top of the protrusion. The inserts are mounted on a rock bit and contact the earth formations off center. The ultra hard material layer is thickest at a critical zone which encompasses a major portion of the region of contact between the insert and the earth formation. Transition layers may also be formed between the ultra hard material layer and the protrusion so as to reduce the residual stresses formed on the interface between the ultra hard material and the protrusion.

4. 发明授权

US06460636B1 Drill bit inserts with variations in thickness of diamond coating 有权
标题翻译：钻头刀片，金刚石涂层厚度变化
公开(公告)号：US06460636B1
公开(公告)日：2002-10-08
申请号：US09465631
申请日：1999-12-17
申请人： Zhou Yong , Suprant J. Huang , Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
发明人： Zhou Yong , Suprant J. Huang , Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
IPC分类号： E21B1046
CPC分类号： E21B10/5673 , E21B10/56 , E21B10/573 , E21B10/5735 , E21B17/1092
摘要： A cutter element for use in a drill bit, comprising a substrate and a cutting layer. The substrate comprises a grip portion and an extension portion, where the grip portion has an insert axis and an extension portion including an interface surface having a first apex. The cutting layer is affixed to the interface surface and has a cutting surface having a second apex. The cutting layer is shaped such that when a plane passing through the first apex and lying parallel to the insert axis and normal to a radius from the insert axis, the plane divides the cutting layer into major and minor portions and the major portion has a major volume that is at least 60 percent of the total volume of said cutting layer. Alternative embodiments of the present invention include variations wherein the first and second apices do not coincide and wherein the interface surface of the substrate is not axisymmetric. Using these variations, cutter elements having sizeable variations in thickness are constructed.
摘要翻译：一种用于钻头的切割元件，包括基底和切割层。基板包括握持部分和延伸部分，其中握持部分具有插入轴线和包括具有第一顶点的界面的延伸部分。切割层固定在界面表面上并具有具有第二顶点的切割表面。切割层被成形为使得当平面穿过第一顶点并且平行于插入轴线平行并且平行于插入轴线的半径时，该平面将切割层分成主要和次要部分，并且主要部分具有主要部分体积为所述切割层的总体积的至少60％。本发明的替代实施例包括其中第一和第二顶点不重合并且其中基底的界面不是轴对称的变型。使用这些变型，构造了具有相当大的厚度变化的切割元件。

5. 发明授权

US06199645B1 Engineered enhanced inserts for rock drilling bits 失效
标题翻译：用于岩石钻头的工程增强型插入件
公开(公告)号：US06199645B1
公开(公告)日：2001-03-13
申请号：US09023264
申请日：1998-02-13
申请人： Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
发明人： Nathan R. Anderson , J. Daniel Belnap , Chris E. Cawthorne , Ronald K. Eyre , Madapusi K. Keshavan , Per I. Nese , Michael A. Siracki , Gary R. Portwood
IPC分类号： E21B1046
CPC分类号： E21B17/1092 , E21B10/56
摘要： Enhanced inserts are formed having a cylindrical grip and a protrusion extending from the grip. An ultra hard material layer is bonded on top of the protrusion. The inserts are mounted on a rock bit and contact the earth formations off center. The ultra hard material layer is thickest at a critical zone which encompasses a major portion of the region of contact between the insert and the earth formation. Transition layers may also be formed between the ultra hard material layer and the protrusion so as to reduce the residual stresses formed on the interface between the ultra hard material and the protrusion.
摘要翻译：增强的插入件形成有具有圆柱形把手和从握柄延伸的突出部。超硬材料层结合在突起的顶部。插入件安装在岩石钻头上，并与中心的地层接触。超硬材料层在包括插入件和地层之间的接触区域的主要部分的临界区域是最厚的。也可以在超硬材料层和突起之间形成过渡层，以减少在超硬材料和突起之间的界面上形成的残余应力。

6. 发明授权

US07229077B2 Ordered elastomeric composite material 有权
标题翻译：有序的弹性复合材料
公开(公告)号：US07229077B2
公开(公告)日：2007-06-12
申请号：US10460345
申请日：2003-06-11
申请人： Madapusi K. Keshavan , Anthony Griffo , Alysia C. White , Robert Denton , Patricia Heel , Leroy N. Tinkham , Michael A. Siracki
发明人： Madapusi K. Keshavan , Anthony Griffo , Alysia C. White , Robert Denton , Patricia Heel , Leroy N. Tinkham , Michael A. Siracki
IPC分类号： F16J15/20
CPC分类号： F16J15/32 , F16J15/104 , Y10T428/218 , Y10T428/2929 , Y10T428/2935 , Y10T428/2938
摘要： Ordered elastomeric composites comprise an ordered arrangement of a number of first elastomeric phases distributed uniformly within a continuous matrix second elastomeric phase. The second phase can be formed from an elastomeric material that is relatively harder than an elastomeric material that is used to form the first phases. Each first phase can be in the form of a core having a defined length and diameter, and the second phase can be formed from a number of shells that each surround a respective core. In a preferred embodiment, the arrangement of cores and shells are aligned coaxially with one another to provide a cellular structure. Ordered elastomeric composites of this invention can be used to form part of or an entire elastomeric seal, e.g., in the form of an annular ring adapted for use in a rotary cone drill bit.
摘要翻译：有序的弹性体复合材料包括在连续基质第二弹性体相中均匀分布的多个第一弹性体相的有序排列。第二相可以由比用于形成第一相的弹性体材料相对更硬的弹性体材料形成。每个第一相可以是具有限定的长度和直径的芯的形式，并且第二相可以由各自围绕相应的芯的多个壳形成。在优选实施例中，芯和壳的布置彼此同轴对准以提供细胞结构。本发明的有序弹性体复合材料可用于形成一部分弹性体密封件，或整体弹性体密封件，例如适用于旋转锥形钻头的环形环形式。

7. 发明授权

US5494122A Composite nozzles for rock bits 失效
标题翻译：岩石复合喷嘴
公开(公告)号：US5494122A
公开(公告)日：1996-02-27
申请号：US317969
申请日：1994-10-04
申请人： James L. Larsen , Michael A. Siracki , Thomas W. Oldham , Madapusi K. Keshavan
发明人： James L. Larsen , Michael A. Siracki , Thomas W. Oldham , Madapusi K. Keshavan
IPC分类号： E21B10/18 , E21B10/60 , E21B10/61 , E21B10/62
CPC分类号： E21B10/61 , E21B10/18 , E21B10/62
摘要： A composite mini-extended nozzle is disclosed that is designed to both resist erosion and be strong enough to withstand the shock of a downhole drilling environment. In addition, means are provided to shroud at least a portion of the extended nozzle to further protect a portion of the nozzle nearest the exit plane from downhole obstructions. A combination of materials used to form the nozzle may include a matrix of tungsten carbides with suitable binder joined to an outer metal jacket nozzle body. A third ceramic matrix material may be utilized to line or partially line an interior passage formed by the mini-extended nozzle and a reduced in diameter portion of the nozzle design may include a built-in fracture plane in the unlikely event the end of the nozzle hits an obstruction. The extended portion of the nozzle will shear off along this fracture plane thereby preventing a nozzle washout that likely would result in a trip out of the hole to repair the resultant damage to the rock bit.
摘要翻译：公开了一种复合微型延伸喷嘴，其设计成既可以抵抗侵蚀，又能够承受井下钻井环境的冲击。此外，提供了用于遮盖延伸喷嘴的至少一部分的装置，以进一步保护最靠近出口平面的喷嘴的一部分不受井下障碍物的影响。用于形成喷嘴的材料的组合可以包括具有与外部金属护套喷嘴体接合的合适粘合剂的碳化钨基体。可以使用第三陶瓷基质材料将由微型扩展喷嘴形成的内部通道排列或部分排列，并且喷嘴设计的减小的直径部分可以包括在不太可能的情况下喷嘴端部的内置断裂平面遇到障碍喷嘴的延伸部分将沿着该断裂平面剪切，从而防止可能导致从孔中脱出的喷嘴冲洗，以修复对钻石钻头造成的损坏。

8. 发明授权

US5853055A Rock bit with an extended center jet 失效
标题翻译：岩石与一个扩展的中心喷气机
公开(公告)号：US5853055A
公开(公告)日：1998-12-29
申请号：US671517
申请日：1996-06-27
申请人： Michael A. Siracki , Per I. Nese , Alan W. Lockstedt , Dennis Cisneros , Michael S. Oliver , Gary R. Portwood
发明人： Michael A. Siracki , Per I. Nese , Alan W. Lockstedt , Dennis Cisneros , Michael S. Oliver , Gary R. Portwood
IPC分类号： E21B10/16 , E21B10/18
CPC分类号： E21B10/18 , E21B10/16
摘要： A rotary cone bit for drilling bore holes in earth formations whose body has a thread pin end and a dome end from which extend three legs. A cutter cone is rotatably mounted to each leg and is radially oriented about the bit's central axis. Each cutter cone has a gage row of cutting elements extending from the cone surface nearest the mouth and a nose row extending nearest the cone's apex. A center jet for emitting fluid or mud is located on the dome. The jet has a converging nozzle with an exit orifice which extends below a predefined horizontal plane intersected by the cones or cutting elements. The exit orifice has a constant diameter for a length at least equal to its diameter for reducing the diffusion of the fluid or mud flow emitted. Fluid or mud emitted from the center jet travels substantially uninterrupted within a cylindrical space between the cones which is not invaded by any cutting element. This reduced diffusion substantially uninterrupted fluid flow strikes the bore hole bottom with maximum impact energy for enhanced removal of earth formation cuttings.
摘要翻译：一个用于在地层中钻孔的旋转锥形钻头，其主体具有螺纹针端和从其延伸三条腿的圆顶端。切割锥体可旋转地安装到每个支腿上并且围绕钻头的中心轴线径向定向。每个切割锥体具有从最接近嘴部的锥形表面延伸的切割元件的行列，以及最靠近锥体顶点延伸的鼻列。用于喷射流体或泥浆的中心喷射器位于圆顶上。喷射器具有会聚喷嘴，其具有出口孔，该出口孔延伸到与锥体或切割元件相交的预定水平面下方。出口孔具有至少等于其直径的长度的恒定直径，用于减少发射的流体或泥浆流的扩散。从中心射流发射的流体或泥浆在不被任何切割元件侵入的锥体之间的圆柱形空间内基本上不间断地行进。这种减少的扩散基本上不间断的流体流动以最大的冲击能量撞击钻孔底部，以增强地球切屑的去除。

9. 发明申请

US20110297454A1 ROLLING CUTTER ASSEMBLED DIRECTLY TO THE BIT POCKETS 有权
标题翻译：滚动切割机直接组装到位口袋
公开(公告)号：US20110297454A1
公开(公告)日：2011-12-08
申请号：US13152626
申请日：2011-06-03
申请人： Yuelin Shen , Youhe Zhang , Yuri Burhan , Michael A. Siracki , Mahavir Nagaraj , Bala Durairajan , Scott D. McDonough , Peter Thomas Cariveau
发明人： Yuelin Shen , Youhe Zhang , Yuri Burhan , Michael A. Siracki , Mahavir Nagaraj , Bala Durairajan , Scott D. McDonough , Peter Thomas Cariveau
IPC分类号： E21B10/36 , B23P15/28
CPC分类号： E21B10/633 , B23P15/28
摘要： A drill bit having a bit body, a plurality of blades extending radially from the bit body, a plurality of cutter pockets disposed on the plurality of blades, at least one rolling cutter disposed in one of the cutter pockets, wherein each rolling cutter has a substrate, a cutting face, a cutting edge, and a side surface, and at least one blocker positioned adjacent to each of the at least one rolling cutters on a leading face of the blade, wherein each blocker has a retention end and an attachment end is disclosed. The retention end of each blocker is positioned adjacent to a portion of the cutting face of each rolling cutter to retain the rolling cutter in the cutter pocket and the attachment end is attached to a portion of the blade.
摘要翻译：一种具有钻头体的钻头，从钻头体径向延伸的多个刀片，设置在所述多个刀片上的多个切割器凹槽，设置在所述切割器凹穴之一中的至少一个滚切刀具，其中每个滚切刀具有基板，切割面，切割边缘和侧表面;以及至少一个阻挡件，其邻近于所述刀片的前表面上的所述至少一个滚动切割器中的每一个定位，其中每个阻挡件具有保持端和附接端被披露。每个阻塞器的保持端定位成与每个滚动切割器的切割面的一部分相邻，以将滚动切割器保持在切割器凹槽中，并且附接端附接到叶片的一部分。

10. 发明授权

US06336512B1 Drill bit having canted seal 有权
标题翻译：钻头有倾斜密封
公开(公告)号：US06336512B1
公开(公告)日：2002-01-08
申请号：US09495602
申请日：2000-02-01
申请人： Michael A. Siracki , Steven W. Peterson , Chris E. Cawthorne , Quan V. Nguyen
发明人： Michael A. Siracki , Steven W. Peterson , Chris E. Cawthorne , Quan V. Nguyen
IPC分类号： E21B1008
CPC分类号： E21B10/25
摘要： A drill bit having a canted or non-canted leg backface, a canted or non-canted seal in the interface between the cone backface and the shirttail, and a canted seal that can be semi-encapsulated so that there is no straight-line path across the seal.
摘要翻译：具有倾斜或非倾斜腿背面的钻头，锥形背面和衬衫尾部之间的界面中的倾斜或非倾斜密封，以及可以被半封装以使得不存在直线路径的倾斜密封穿过印章。

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