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1. 发明授权

US08347989B2 Hole opener with hybrid reaming section and method of making 有权
标题翻译：具有混合铰孔部分的开孔器和制造方法
公开(公告)号：US08347989B2
公开(公告)日：2013-01-08
申请号：US12574513
申请日：2009-10-06
申请人： Robert J. Buske , Rudolf C. Pessier
发明人： Robert J. Buske , Rudolf C. Pessier
IPC分类号： E21B10/26 , E21B10/28 , E21B10/14 , E21B10/30
CPC分类号： E21B10/14 , E21B10/28
摘要： A hole opener having a hybrid reaming section for reaming subterranean wellbores may include a tubular reamer body having a longitudinal axis and upper and lower ends, a rolling cutter mount coupled to the body, a rolling cutter rotatably coupled to the mount, and a fixed blade coupled to the body adjacent the mount. A method of forming a hybrid reamer tool for downhole use may include providing a tubular stem having couplers on the upper and lower ends, coupling a reamer body having an outer periphery to the stem between the stem upper and lower ends, coupling a rolling cutter mount to the outer periphery of the reamer body, the mount having a rolling cutter rotatably coupled thereto, and coupling a fixed blade to the outer periphery of the reamer body adjacent the rolling cutter mount.
摘要翻译：具有用于铰接地下井筒的混合铰接部分的开孔器可以包括具有纵向轴线和上端和下端的管状铰刀主体，联接到主体的滚动切割器安装件，可旋转地联接到安装件的滚动切割器，以及固定刀片耦合到靠近安装座的身体。形成用于井下使用的混合铰刀工具的方法可以包括在上端和下端提供具有耦合器的管状杆，将具有外周的扩孔器本体连接到杆上下端之间的杆，所述支架具有可旋转地联接到其上的滚动切割器，并且将固定刀片与所述轧制刀具支架相邻的所述扩孔铣刀主体的外周连接。

2. 发明申请

US20110079442A1 HOLE OPENER WITH HYBRID REAMING SECTION 审中-公开
标题翻译：具有混合复制部分的孔开口
公开(公告)号：US20110079442A1
公开(公告)日：2011-04-07
申请号：US12574549
申请日：2009-10-06
申请人： Robert J. Buske , Rudolf C. Pessier
发明人： Robert J. Buske , Rudolf C. Pessier
IPC分类号： E21B10/14
CPC分类号： E21B10/14 , E21B10/28
摘要： A hole opener having a hybrid reaming section for downhole earth boring operations may include a reamer body having an axis of rotation, an outer periphery, and upper and lower ends, a plurality of rolling cutters coupled to the outer periphery and depending downwardly, the rolling cutters defining a rolling cutter cutting profile having a cutting diameter, a plurality of fixed blade cutters coupled to the outer periphery and defining a fixed blade cutter cutting profile having a cutting diameter, each fixed blade cutter being coupled between adjacent rolling cutters. At least one of the fixed blade cutters may be asymmetrically coupled about the axis. The cutting diameter of the fixed blade cutter cutting profile may be larger than the cutting diameter of the rolling cutter cutting profile. At least a portion of the fixed blade cutter cutting profile may be deeper than the rolling cutter cutting profile.
摘要翻译：具有用于井下钻孔操作的混合铰接部分的开孔器可以包括具有旋转轴线，外周边以及上端和下端的扩孔器本体，多个滚动切割器，其联接到外周并且向下延伸，切割器限定具有切割直径的滚动切割器切割轮廓，多个固定刀片切割器，其联接到外周边并且限定具有切割直径的固定刀片切割轮廓，每个固定刀片切割器联接在相邻的切割器之间。固定刀片切割器中的至少一个可以围绕轴线不对称地联接。固定刀片切割轮廓的切割直径可能大于切割刀切割轮廓的切割直径。固定刀片切割轮廓的至少一部分可以比轧制切割轮廓更深。

3. 发明申请

US20110031021A1 Anti-Tracking Spear Points for Earth-Boring Drill Bits 有权
标题翻译：地球钻孔钻头的反追迹点
公开(公告)号：US20110031021A1
公开(公告)日：2011-02-10
申请号：US12852165
申请日：2010-08-06
申请人： Robert J. Buske , James Florey
发明人： Robert J. Buske , James Florey
IPC分类号： E21B10/00 , E21B7/00
CPC分类号： E21B10/16
摘要： Described herein are roller cone drill bits and modified roller cones for use in drilling subterranean earth formations, and more specifically roller cone drill bits and roller cones having optimized spear point designs and blade orientations on at least one of the roller cones for reduced tracking and/or increased drilling performance during bit use. The roller cone drill bits include a bit body with a longitudinal axis, one or more bit legs depending from the body, and at least one roller cone attached to each of the bit legs and able to rotate with respect to the bit body, wherein at least one of the roller cones includes a spear point at the cone apex having two or more cutting blades, the cutting blades being oriented at a variety of non-equal, asymmetric angles about a central cone axis with respect to each other, such that tracking during drilling using the drill bit is minimized or eliminated.
摘要翻译：这里描述的是用于钻探地下地层的辊锥钻头和改进的滚筒锥，更具体地说，具有优化的矛尖设计的滚子锥钻头和滚子锥体以及在至少一个滚筒锥上的叶片取向用于减少跟踪和/ 或在钻头使用期间提高钻井性能。滚子锥钻头包括具有纵向轴线的钻头体，从主体悬垂的一个或多个钻头刀柄，以及附接到每个钻头刀腿并且能够相对于钻头本体旋转的至少一个滚子锥体，其中在至少一个滚子锥体包括在具有两个或更多个切割刀片的圆锥顶点处的矛尖点，切割刀片以关于中心锥形轴线相对于彼此的各种不相等的非对称角度定向，使得跟踪在使用钻头的钻孔期间最小化或消除。

4. 发明申请

US20100175926A1 ROLLER CONES HAVING NON-INTEGRAL CUTTING STRUCTURES, DRILL BITS INCLUDING SUCH CONES, AND METHODS OF FORMING SAME 审中-公开
标题翻译：具有非整体切割结构的滚子体，包括这种锥体的钻头位置及其形成方法
公开(公告)号：US20100175926A1
公开(公告)日：2010-07-15
申请号：US12354604
申请日：2009-01-15
申请人： Robert J. Buske , James L. Overstreet
发明人： Robert J. Buske , James L. Overstreet
IPC分类号： E21B10/50 , E21B10/08 , B21K5/02 , B21K5/06 , E21B10/16
CPC分类号： E21B10/16 , E21B10/50
摘要： Methods of manufacturing roller cones for drill bits include providing both integral teeth and non-integral teeth on the roller cones. A layer of hardfacing may be applied to the integral teeth. Non-integral teeth may be formed on a body of a cone, or they may be separately formed from the body and attached thereto. In some embodiments, the non-integral teeth are formed by building-up the non-integral teeth from hardfacing material. Roller cones and earth-boring tools are formed using such methods.
摘要翻译：制造用于钻头的滚筒锥体的方法包括在滚子锥体上提供整体齿和非整体齿。可以将一层表面硬化施加到整体牙齿。非整体齿可以形成在锥体的主体上，或者它们可以与主体分开地形成并附接到其上。在一些实施例中，通过从表面硬化材料构建非整体齿来形成非整体齿。使用这种方法形成滚筒和钻孔工具。

5. 发明授权

US07654346B2 Steel tooth drill bit with improved tooth breakage resistance 有权
标题翻译：钢齿钻头具有改善的抗牙齿破坏能力
公开(公告)号：US07654346B2
公开(公告)日：2010-02-02
申请号：US11804607
申请日：2007-05-18
申请人： James L. Overstreet , Robert J. Buske , Kenneth E. Gilmore , Jeremy K. Morgan
发明人： James L. Overstreet , Robert J. Buske , Kenneth E. Gilmore , Jeremy K. Morgan
IPC分类号： E21B10/08
CPC分类号： E21B10/50 , C22C29/067
摘要： A drill bit having steel teeth is provided with a combination of hardfacing materials on the teeth. The bases of the teeth are hardfaced with nickel-based materials to significantly reduce any potential cracking therein. Portions of the supporting cones adjacent the teeth also may be fabricated with the nickel-based hardfacing. All other portions of the teeth are hardfaced with iron-based materials.
摘要翻译：具有钢齿的钻头具有牙齿上的表面硬化材料的组合。齿的基部用镍基材料硬化，以显着减少其中的任何潜在的裂纹。邻近牙齿的支撑锥的部分也可以用镍基硬化面来制造。齿的所有其他部分都用铁基材料硬化。

6. 发明授权

US08950514B2 Drill bits with anti-tracking features 有权
标题翻译：钻头具有反追踪功能
公开(公告)号：US08950514B2
公开(公告)日：2015-02-10
申请号：US13172507
申请日：2011-06-29
申请人： Robert J. Buske , John F. Bradford
发明人： Robert J. Buske , John F. Bradford
IPC分类号： E21B10/14 , E21B10/16
CPC分类号： E21B10/14 , E21B10/06 , E21B10/083 , E21B10/16
摘要： Drill bits with at least two roller cones of different diameters and/or utilizing different cutter pitches in order to reduce bit tracking during drilling operations are described. In particular, earth boring drill bits are provided, the bits having two or more roller cones, and optionally one or more cutter blades, the bits being arranged for reducing tracking by the roller cone teeth during operation by adjusting the teeth spacing, cone pitch angle, and/or the diameter of one or more of the cones. These configurations enable anti-tracking behavior and enhanced drilling efficiency during bit operation.
摘要翻译：描述了具有不同直径的至少两个滚子锥体和/或利用不同切割器间距的钻头，以减少钻孔操作期间的钻头跟踪。特别地，设置钻孔钻头，钻头具有两个或更多个滚子锥体，以及可选地一个或多个切割刀片，该钻头被布置用于通过调整齿间距，锥齿距角度减小在操作期间通过滚子锥齿的跟踪，和/或一个或多个锥体的直径。这些配置在位操作期间能够实现抗跟踪行为和提高钻井效率。

7. 发明授权

US08579051B2 Anti-tracking spear points for earth-boring drill bits 有权
标题翻译：防钻探钻头的反追迹点
公开(公告)号：US08579051B2
公开(公告)日：2013-11-12
申请号：US12852165
申请日：2010-08-06
申请人： Robert J. Buske , James Florey
发明人： Robert J. Buske , James Florey
IPC分类号： E21B10/16
CPC分类号： E21B10/16
摘要： Described herein are roller cone drill bits and modified roller cones for use in drilling subterranean earth formations, and more specifically roller cone drill bits and roller cones having optimized spear point designs and blade orientations on at least one of the roller cones for reduced tracking and/or increased drilling performance during bit use. The roller cone drill bits include a bit body with a longitudinal axis, one or more bit legs depending from the body, and at least one roller cone attached to each of the bit legs and able to rotate with respect to the bit body, wherein at least one of the roller cones includes a spear point at the cone apex having two or more cutting blades, the cutting blades being oriented at a variety of non-equal, asymmetric angles about a central cone axis with respect to each other, such that tracking during drilling using the drill bit is minimized or eliminated.
摘要翻译：这里描述的是用于钻探地下地层的辊锥钻头和改进的滚筒锥，更具体地说，具有优化的矛尖设计的滚子锥钻头和滚子锥体以及在至少一个滚筒锥上的叶片取向用于减少跟踪和/ 或在钻头使用期间提高钻井性能。滚子锥钻头包括具有纵向轴线的钻头体，从主体悬垂的一个或多个钻头刀柄，以及附接到每个钻头刀腿并且能够相对于钻头本体旋转的至少一个滚子锥体，其中在至少一个滚子锥体包括在具有两个或更多个切割刀片的圆锥顶点处的矛尖点，切割刀片以关于中心锥形轴线相对于彼此的各种不相等的非对称角度定向，使得跟踪在使用钻头的钻孔期间最小化或消除。

8. 发明授权

US08191635B2 Hole opener with hybrid reaming section 有权
标题翻译：开孔器与混合铰接部分
公开(公告)号：US08191635B2
公开(公告)日：2012-06-05
申请号：US12574542
申请日：2009-10-06
申请人： Robert J. Buske , Rudolf C. Pessier
发明人： Robert J. Buske , Rudolf C. Pessier
IPC分类号： E21B10/14
CPC分类号： E21B10/14 , E21B10/28
摘要： A hole opener having a hybrid reaming section for downhole earth boring operations may include a reamer body having an axis of rotation, an outer periphery, and upper and lower ends, a plurality of rolling cutters coupled to the outer periphery and depending downwardly, the rolling cutters defining a rolling cutter cutting profile having a cutting diameter, a plurality of fixed blade cutters coupled to the outer periphery and defining a fixed blade cutter cutting profile having a cutting diameter, each fixed blade cutter being coupled between adjacent rolling cutters. At least one of the rolling cutters may be asymmetrically coupled about the axis. The cutting diameter of the rolling cutter cutting profile may be larger than the cutting diameter of the fixed blade cutter cutting profile. At least a portion of the rolling cutter cutting profile may be deeper than the fixed blade cutter cutting profile.
摘要翻译：具有用于井下钻孔操作的混合铰接部分的开孔器可以包括具有旋转轴线，外周边以及上端和下端的扩孔器本体，多个滚动切割器，其联接到外周并且向下延伸，切割器限定具有切割直径的滚动切割器切割轮廓，多个固定刀片切割器，其联接到外周边并且限定具有切割直径的固定刀片切割轮廓，每个固定刀片切割器联接在相邻的切割器之间。滚动刀具中的至少一个可以围绕轴线不对称地联接。轧制切割轮廓的切割直径可以大于固定刀片切割轮廓的切割直径。轧制切割轮廓的至少一部分可以比固定刀片切割轮廓更深。

9. 发明申请

US20110290560A1 EARLY WEAR DETECTION 审中-公开
标题翻译：早期磨损检测
公开(公告)号：US20110290560A1
公开(公告)日：2011-12-01
申请号：US12791377
申请日：2010-06-01
申请人： Robert J. Buske , Mark Philip Blackman , John F. Bradford , Michael S. Damschen , Robert D. Bradshaw , Rudolf C. Pessier
发明人： Robert J. Buske , Mark Philip Blackman , John F. Bradford , Michael S. Damschen , Robert D. Bradshaw , Rudolf C. Pessier
IPC分类号： E21B12/02
CPC分类号： E21B12/02 , E21B10/14 , E21B10/60
摘要： A drill bit with a bit body having a central bore in communication with a plurality of nozzles for directing drilling fluid; a plurality of cutters defining a cutting face of the bit; and a passageway extending from the central bore toward the cutting face, such that excessive wear of the cutting face opens the passageway to allow the drilling fluid to flow therethrough, thereby reducing a surface pressure of the drilling fluid and indicating excessive wear of the bit. The passageway may extend to adjacent, or within one half inch or three inches of, the cutting face, such that excessive wear opens the passageway to the cutting face. In some cases, the passageway may actually extend through the cutting face with a plug inserted into the passageway at the cutting face to prevent the drilling fluid from exiting the passageway absent wear of the bit.
摘要翻译：一种钻头，其具有具有与用于引导钻井液体的多个喷嘴连通的中心孔的钻头; 限定所述钻头的切割面的多个切割器; 以及从中心孔朝向切割面延伸的通道，使得切割面的过度磨损打开通道以允许钻井流体流过其中，从而降低钻井液的表面压力并且指示钻头的过度磨损。通道可以延伸到切割面的相邻的或半英寸或三英寸以内，使得过度磨损将通道打开到切割面。在一些情况下，通道实际上可以通过插入到切割面处的通道中的塞子延伸穿过切割面，以防止钻井液离开通道而没有钻头的磨损。

10. 发明申请

US20110079440A1 HOLE OPENER WITH HYBRID REAMING SECTION 有权
标题翻译：具有混合复制部分的孔开口
公开(公告)号：US20110079440A1
公开(公告)日：2011-04-07
申请号：US12574513
申请日：2009-10-06
申请人： Robert J. Buske , Rudolf C. Pessier
发明人： Robert J. Buske , Rudolf C. Pessier
IPC分类号： E21B10/14 , E21B10/28 , E21B10/00 , B21K5/04
CPC分类号： E21B10/14 , E21B10/28
摘要： A hole opener having a hybrid reaming section for reaming subterranean wellbores may include a tubular reamer body having a longitudinal axis and upper and lower ends, a rolling cutter mount coupled to the body, a rolling cutter rotatably coupled to the mount, and a fixed blade coupled to the body adjacent the mount. A method of forming a hybrid reamer tool for downhole use may include providing a tubular stem having couplers on the upper and lower ends, coupling a reamer body having an outer periphery to the stem between the stem upper and lower ends, coupling a rolling cutter mount to the outer periphery of the reamer body, the mount having a rolling cutter rotatably coupled thereto, and coupling a fixed blade to the outer periphery of the reamer body adjacent the rolling cutter mount.
摘要翻译：具有用于铰接地下井筒的混合铰接部分的开孔器可以包括具有纵向轴线和上端和下端的管状铰刀主体，联接到主体的滚动切割器安装件，可旋转地联接到安装件的滚动切割器，以及固定刀片耦合到靠近安装座的身体。形成用于井下使用的混合铰刀工具的方法可以包括在上端和下端提供具有耦合器的管状杆，将具有外周的扩孔器本体连接到杆上下端之间的杆，所述支架具有可旋转地联接到其上的滚动切割器，并且将固定刀片与所述轧制刀具支架相邻的所述扩孔铣刀主体的外周连接。

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