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1. 发明授权

US5431239A Stud design for drill bit cutting element 失效
标题翻译：钻头切割元件的螺柱设计
公开(公告)号：US5431239A
公开(公告)日：1995-07-11
申请号：US44938
申请日：1993-04-08
申请人： Gordon A. Tibbitts , Craig H. Cooley , Redd H. Smith , Paul E. Pastusek , Ralph M. Horton
发明人： Gordon A. Tibbitts , Craig H. Cooley , Redd H. Smith , Paul E. Pastusek , Ralph M. Horton
IPC分类号： E21B10/56 , E21B10/567 , E21B10/46
CPC分类号： E21B10/567
摘要： An improved stud design for an earth boring drill bit is disclosed preferably using materials of different hardness and toughness layered to provide maximum resistance to surface abrasion coupled with excellent structural properties including high strength with maximum fracture toughness. The bit body is conventionally attached to a drill string, and has a crown and gage portion. The studs preferably include a core, made of steel or other material having high fracture toughness, covered at least in part with a hard, abrasion resistant material such as tungsten carbide. Each stud is secured to a socket in the bit body by means of brazing or other suitable means such as a press fit. The cutting element is brazed to a mounting face of the stud prior to affixation of the stud to the bit body and is preferably comprised of a polycrystalline diamond compact adhered to a backing layer of tungsten carbide.
摘要翻译：公开了一种用于钻孔钻头的改进的螺柱设计，其使用不同硬度和韧性的材料，其层压以提供对表面磨损的最大阻力，以及优异的结构特性，包括具有最大断裂韧性的高强度。钻头主体通常安装在钻柱上，并具有表冠和表面部分。螺柱优选地包括由钢或其他具有高断裂韧性的材料制成的芯，至少部分地用硬的耐磨材料（例如碳化钨）覆盖。每个螺柱通过钎焊或其他合适的方式如压配合固定在钻头体中的插座上。在将螺柱固定到钻头体之前，将切割元件钎焊到螺柱的安装面上，并且优选地由粘附到碳化钨背衬层的多晶金刚石块组成。

2. 发明授权

US5906245A Mechanically locked drill bit components 失效
标题翻译：机械锁定钻头组件
公开(公告)号：US5906245A
公开(公告)日：1999-05-25
申请号：US955250
申请日：1997-10-21
申请人： Gordon A. Tibbitts , Paul E. Pastusek
发明人： Gordon A. Tibbitts , Paul E. Pastusek
IPC分类号： E21B10/56 , E21B10/567 , E21B10/573 , E21B10/60 , E21B10/61 , E21B10/62 , E21C13/00
CPC分类号： E21B10/5673 , E21B10/573 , E21B10/61 , E21B10/62
摘要： Mounting apparatus is described for locking an insertable stud cutter or slug cutter or fluid nozzle into a socket on a rotatable earth boring drill bit. The cutter may be readily removed and replaced without damaging either the cutter, nozzle or bit. Apparatus are shown for permitting or, alternatively, preventing rotation of the cutter or nozzle in its socket. The mounting apparatus is particularly applicable to cutters having a cutting disk of polycrystalline diamond or other superabrasive material mounted on a carbide supporting body, or carbide body nozzles or nozzles having a bore lined with such a material.
摘要翻译：描述的安装装置用于将可插入的螺柱切割器或块塞切割器或流体喷嘴锁定在可旋转的钻孔钻头上的插座中。切割器可以容易地移除和更换，而不损坏切割器，喷嘴或钻头。示出了允许或者可选地防止切割器或喷嘴在其插座中旋转的装置。安装装置特别适用于具有安装在碳化物支撑体上的多晶金刚石或其他超级磨料的切割盘的切割器，或具有衬有这种材料的孔的碳化物体喷嘴或喷嘴。

3. 发明授权

US5678645A Mechanically locked cutters and nozzles 失效
标题翻译：机械锁定刀具和喷嘴
公开(公告)号：US5678645A
公开(公告)日：1997-10-21
申请号：US557962
申请日：1995-11-13
申请人： Gordon A. Tibbitts , Paul E. Pastusek
发明人： Gordon A. Tibbitts , Paul E. Pastusek
IPC分类号： E21B10/56 , E21B10/567 , E21B10/573 , E21B10/60 , E21B10/61 , E21B10/62 , E21C13/00
CPC分类号： E21B10/5673 , E21B10/573 , E21B10/61 , E21B10/62
摘要： Mounting apparatus is described for locking an insertable stud cutter or slug cutter or fluid nozzle into a socket on a rotatable earth boring drill bit. The cutter may be readily removed and replaced without damaging either the cutter, nozzle or bit. Apparatus are shown for permitting, or alternatively, preventing rotation of the cutter or nozzle in its socket. The mounting apparatus is particularly applicable to cutters having a cutting disk of polycrystalline diamond or other superabrasive material mounted on a carbide supporting body, or carbide body nozzles or nozzles having a bore lined with such a material.
摘要翻译：描述的安装装置用于将可插入的螺柱切割器或块塞切割器或流体喷嘴锁定在可旋转的钻孔钻头上的插座中。切割器可以容易地移除和更换，而不损坏切割器，喷嘴或钻头。示出了允许或替代地防止切割器或喷嘴在其插座中旋转的装置。安装装置特别适用于具有安装在碳化物支撑体上的多晶金刚石或其他超级磨料的切割盘的切割器，或具有衬有这种材料的孔的碳化物体喷嘴或喷嘴。

4. 发明申请

US20110024192A1 METHOD AND APPARATUS FOR COLLECTING DRILL BIT PERFORMANCE DATA 有权
标题翻译：用于收集钻头性能数据的方法和装置
公开(公告)号：US20110024192A1
公开(公告)日：2011-02-03
申请号：US12901172
申请日：2010-10-08
申请人： Paul E. Pastusek , Eric C. Sullivan , Daryl L. Pritchard , Keith Glasgow , Tu Tien Trinh , Paul J. Lutes
发明人： Paul E. Pastusek , Eric C. Sullivan , Daryl L. Pritchard , Keith Glasgow , Tu Tien Trinh , Paul J. Lutes
IPC分类号： E21B47/02
CPC分类号： E21B21/08 , E21B47/00 , E21B47/011
摘要： Drill bits and methods for sampling sensor data associated with the state of a drill bit are disclosed. A drill bit for drilling a subterranean formation comprises a bit body and a shank. The shank further includes a central bore formed through an inside diameter of the shank and configured for receiving a data analysis module. The data analysis module comprises a plurality of sensors, a memory, and a processor. The processor is configured for executing computer instructions to collect the sensor data by sampling the plurality of sensors, analyze the sensor data to develop a severity index, compare the sensor data to at least one adaptive threshold, and modify a data sampling mode responsive to the comparison. A method comprises collecting sensor data by sampling a plurality of physical parameters associated with a drill bit state while in various sampling modes and transitioning between those sampling modes.
摘要翻译：公开了钻头和用于采样与钻头状态相关联的传感器数据的方法。用于钻探地层的钻头包括钻头体和柄。柄还包括通过柄的内径形成的中心孔，并且构造成用于接收数据分析模块。数据分析模块包括多个传感器，存储器和处理器。处理器被配置为执行计算机指令以通过对多个传感器进行采样来收集传感器数据，分析传感器数据以开发严重性指标，将传感器数据与至少一个自适应阈值进行比较，并且响应于该传感器数据修改数据采样模式比较。一种方法包括通过在各种采样模式下采样与钻头状态相关联的多个物理参数并在这些采样模式之间转换来收集传感器数据。

5. 发明申请

US20100030527A1 SYSTEM, PROGRAM PRODUCT, AND RELATED METHODS FOR BIT DESIGN OPTIMIZATION AND SELECTION 有权
标题翻译：系统，程序产品和相关方法用于位设计优化和选择
公开(公告)号：US20100030527A1
公开(公告)日：2010-02-04
申请号：US12502754
申请日：2009-07-14
申请人： Umesh Prasad , Mark W. Dykstra , Paul E. Pastusek , Michael L. Doster
发明人： Umesh Prasad , Mark W. Dykstra , Paul E. Pastusek , Michael L. Doster
IPC分类号： G06F17/50 , G06G7/64
CPC分类号： E21B10/00
摘要： Systems, program product, and methods are provided which include analyzing the drillability of a subterranean formation and a database of performance characteristics for drilling bits to facilitate bit design optimization and selection for that formation. Using component subterranean formation data, computer models can be generated for the drillability of a target section in terms of physical, mechanical, and micro-structural properties, and for postulated suitable drilling bit performance characteristics based on physical, mechanical, and micro-structural properties of the target section. The drilling bit performance characteristics are then updated by quantifying effects of the drilling system to be employed. Each performance characteristic can be normalized and plotted on its own axis for easy comparison. Next, a candidate drilling bit design is selected from a library of computer models of drilling bit characteristics for a suite of drilling bit designs. An optimization of the drilling bit design may be also performed.
摘要翻译：提供了系统，程序产品和方法，其中包括分析地层的可钻性和钻头的性能特征数据库，以便于钻头设计优化和选择。使用组件地下地层数据，可以根据物理，机械和微观结构特性以及基于物理，机械和微结构特性的假定的合适的钻头性能特征生成计算机模型以用于目标区段的可钻性的目标部分。然后通过量化所采用的钻井系统的影响来更新钻头性能特征。每个性能特征可以归一化并绘制在自己的轴上以便于进行比较。接下来，从用于一组钻头设计的钻头特征的计算机模型库中选择候选钻头设计。也可以进行钻头设计的优化。

6. 发明授权

US07497276B2 Method and apparatus for collecting drill bit performance data 有权
标题翻译：用于收集钻头性能数据的方法和装置
公开(公告)号：US07497276B2
公开(公告)日：2009-03-03
申请号：US11939323
申请日：2007-11-13
申请人： Paul E. Pastusek , Eric C. Sullivan , Daryl L. Pritchard , Keith Glasgow , Tu Tien Trinh , Paul J. Lutes
发明人： Paul E. Pastusek , Eric C. Sullivan , Daryl L. Pritchard , Keith Glasgow , Tu Tien Trinh , Paul J. Lutes
IPC分类号： E21B47/00
CPC分类号： E21B47/00 , E21B21/08 , E21B47/011
摘要： Drill bits and methods for sampling sensor data associated with the state of a drill bit are disclosed. A drill bit for drilling a subterranean formation comprises a bit body and a shank. The shank further includes a central bore formed through an inside diameter of the shank and configured for receiving a data analysis module. The data analysis module comprises a plurality of sensors, a memory, and a processor. The processor is configured for executing computer instructions to collect the sensor data by sampling the plurality of sensors, analyze the sensor data to develop a severity index, comparing the sensor data to at least one adaptive threshold, and modifying a data sampling mode responsive to the comparison. A method comprises collecting sensor data by sampling a plurality of physical parameters associated with a drill bit state while in various sampling modes and transitioning between those sampling modes.
摘要翻译：公开了钻头和用于采样与钻头状态相关联的传感器数据的方法。用于钻探地层的钻头包括钻头体和柄。柄还包括通过柄的内径形成的中心孔，并且构造成用于接收数据分析模块。数据分析模块包括多个传感器，存储器和处理器。处理器被配置为执行计算机指令以通过对多个传感器进行采样来收集传感器数据，分析传感器数据以开发严重性指标，将传感器数据与至少一个自适应阈值进行比较，以及响应于所述传感器数据修改数据采样模式比较。一种方法包括通过在各种采样模式下采样与钻头状态相关联的多个物理参数并在这些采样模式之间转换来收集传感器数据。

7. 再颁专利

USRE36817E Method and apparatus for drilling and enlarging a borehole 失效
标题翻译：钻孔扩大的方法和装置
公开(公告)号：USRE36817E
公开(公告)日：2000-08-15
申请号：US41519
申请日：1998-03-12
申请人： Paul E. Pastusek , Corey S. Thayn
发明人： Paul E. Pastusek , Corey S. Thayn
IPC分类号： E21B10/26 , E21B9/24
CPC分类号： E21B10/26
摘要： A reaming apparatus for enlarging a borehole, including a tubular body having one or more longitudinally and generally radially extending blades circumferentially spaced thereabout. Each of the blades carries highly exposed cutting elements, on the order of fifty percent exposure, on its profile substantially all the way to the gage. At least one of the blades is a primary blade for cutting the full or drill diameter of the borehole, while one or more others of the blades may be secondary blades which extend a lesser radial distance from the body than the primary blade. A secondary blade initially shares a large portion of the cutting load with the primary blade while the borehole size is in transition between a smaller, pass through diameter and drill diameter. It functions to enhance the rapidity of the transition while balancing side reaction forces, and reduces vibration and borehole eccentricity. After drill diameter is reached, cutting elements on the secondary blade continue to share the cutting load over the radial distance they extend from the body.
摘要翻译：一种用于扩大钻孔的扩孔装置，包括具有一个或多个纵向和大致径向延伸的叶片的管状体，所述叶片沿周向间隔开。每个叶片承载高度暴露的切割元件，大约百分之五十曝光，基本上一直到量具。叶片中的至少一个是用于切割钻孔的全部或钻孔直径的主叶片，而叶片中的一个或多个其他叶片可以是与主叶片相比延伸距离主体更小的径向距离的次级叶片。次级叶片最初与主叶片共享切割载荷的大部分，而钻孔尺寸在较小的通过直径和钻孔直径之间的过渡中。它有助于提高过渡的快速性，同时平衡副反作用力，并减少振动和井眼偏心率。在达到钻头直径之后，次级刀片上的切割元件在从身体延伸的径向距离上继续共享切割负载。

8. 发明授权

US5373908A Chamfered cutting structure for downhole drilling 失效
标题翻译：井下钻孔倒角切割结构
公开(公告)号：US5373908A
公开(公告)日：1994-12-20
申请号：US28989
申请日：1993-03-10
申请人： Paul E. Pastusek
发明人： Paul E. Pastusek
IPC分类号： E21B10/56 , E21B10/573 , B23K31/02
CPC分类号： E21B10/573 , E21B10/5735
摘要： A cutting structure for use in a rotary drag bit for downhole drilling is disclosed which relieves stress concentrations focused in the cutting structure along a line adjacent the surface where a cutting element abuts the carrier element or stud. A semicircular polycrystalline diamond compact (PDC) cutting element segment and a cooperating blank segment are diametrically bonded together and, in turn, bonded to a surface on the carrier element. The PDC segment has a chamfer formed along one inner edge, and the blank segment similarly has a chamfer formed along one inner edge. The two segments are joined together along their chamfered edges so that the chamfers are aligned to form a channel through the cutting structure when the segments are bonded to the carrier element. A groove may also be formed in the carrier element along the line where the polycrystalline diamond cutting element, the blank segment and the carrier element are joined, either in addition to or in lieu of the chamfers. The chamfers (and/or optional groove) thereby form a channel through the cutting element which relieves stress concentrations at the line of intersection of the cutting structure components. Another embodiment utilizes a carrier element with a shelf recess in which the PDC segment resides and no blank segment. The inner edge of the shelf or recess includes a radiused undercut extending within the carrier element, which undercut cooperates with the PDC segment chamfer to form the channel.
摘要翻译：公开了一种用于井下钻井的旋转拖曳钻头的切割结构，其减少了沿切割元件邻接载体元件或螺柱的表面附近的切割结构中集中的应力集中。半圆形多晶金刚石致密体（PDC）切割元件段和配合的坯料段直径地结合在一起，并且又结合到载体元件上的表面。 PDC段具有沿一个内边缘形成的倒角，并且坯件段类似地具有沿着一个内边缘形成的倒角。两个部分沿其倒角边缘连接在一起，使得倒角在排列结合到载体元件上时通过切割结构形成通道。还可以在载体元件中沿着多晶金刚石切割元件，坯料段和载体元件接合的线形成凹槽，或者除了或代替倒角之外还形成凹槽。因此，倒角（和/或可选的凹槽）形成通过切割元件的通道，其消除了切割结构部件的交叉线处的应力集中。另一个实施例利用具有PDC段所在的搁架凹槽的载体元件，并且没有空白段。搁板或凹槽的内边缘包括在载体元件内延伸的圆角底切，该底切部与PDC段倒角配合形成通道。

9. 发明授权

US4516642A Drill bit having angled nozzles for improved bit and well bore cleaning 失效
标题翻译：钻头具有成角度的喷嘴，用于改善钻头和井筒清洁
公开(公告)号：US4516642A
公开(公告)日：1985-05-14
申请号：US437927
申请日：1982-11-01
申请人： John S. Childers , Paul E. Pastusek
发明人： John S. Childers , Paul E. Pastusek
IPC分类号： E21B10/18
CPC分类号： E21B10/18
摘要： A rotary drill bit comprising a bit body having a chamber therein adapted to receive drilling fluid under pressure, a plurality of nozzles in communication with the chamber for exit of the drilling fluid, and a plurality of depending legs at its lower end, each having a bearing journal. The bit further includes a plurality of roller cutters, one for each leg, each cutter comprising a generally conical cutter body rotatably mounted on the bearing journal of the respective leg, and a plurality of cutting elements thereon. Each nozzle has an orifice in a position below the top of an adjacent roller cutter but above the central axis of the respective bearing journal at its inner end with respect to the bit body. In addition, each nozzle directs the fluid to flow in the direction opposite the direction of rotation of the bit, with the flow being generally tangent to the cutter body of the adjacent roller cutter, and thereafter impinging portions of the bottom of the well bore immediately forward of the adjacent roller cutter, whereby the drilling fluid cleans these portions of the well bore bottom and the cutting elements immediately prior to their engagement for enhanced drill bit cutting action.
摘要翻译：一种旋转钻头，包括钻头本体，其中具有适于在压力下接收钻井流体的腔室，与所述腔室连通以用于钻出流体的多个喷嘴，以及在其下端处的多个悬垂腿，每个具有轴承期刊。该钻头还包括多个滚子切割器，一个用于每个支腿，每个切割器包括可旋转地安装在相应支腿的轴承轴颈上的大致圆锥形的切割器主体，以及多个切割元件。每个喷嘴在其相对于钻头体的内端处具有在相邻辊切割器的顶部下方的位置处的孔口，但在相应的轴承轴颈的中心轴线的上方。此外，每个喷嘴引导流体沿与钻头的旋转方向相反的方向流动，其中流动通常与相邻辊切割器的切割器主体相切，并且此后立即冲击井的底部的部分在相邻的滚轮切割器的前方，钻井液在其接合之前立即清洗井眼底部和切割元件的这些部分以增强钻头切割动作。

10. 发明申请

US20150252630A1 Drill String Stabilizer Recovery Improvement Features 审中-公开
标题翻译：钻柱稳定器恢复改进功能
公开(公告)号：US20150252630A1
公开(公告)日：2015-09-10
申请号：US14431658
申请日：2013-09-27
申请人： Mark C. Moyer , Paul E. Pastusek , Eileen Louvier
发明人： Mark C. Moyer , Paul E. Pastusek , Eileen Louvier
IPC分类号： E21B17/10 , E21B23/12 , E21B41/00 , E21B17/00
CPC分类号： E21B17/1078 , E21B7/04 , E21B7/06 , E21B17/006 , E21B17/1014 , E21B41/0078
摘要： A stabilizer design for improving the likelihood of recovery of a drill string when obstructions are encountered in a wellbore is disclosed herein. The stabilizer includes a tubular body, a track, and a stabilizer blade. The track is disposed along the tubular body. The stabilizer blade is operatively coupled to the track and is configured to slide along the track from a first position to a second position.
摘要翻译：本文公开了一种用于在钻井中遇到障碍物时改善钻柱的恢复可能性的稳定器设计。稳定器包括管状体，轨道和稳定器叶片。轨道沿管状体设置。稳定器叶片可操作地联接到轨道并且被构造成沿着轨道从第一位置滑动到第二位置。

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