公开(公告)号：US20130016935A1

公开(公告)日：2013-01-17

申请号：US13183686

申请日：2011-07-15

申请人： Craig H. Cooley ,  Timothy N. Sexton

发明人： Craig H. Cooley ,  Timothy N. Sexton

IPC分类号： F16C17/00 ,  F16C17/02 ,  B23K26/38 ,  F16C17/04 ,  B26D3/00 ,  B23H9/00

CPC分类号： B23H1/00 ,  B23K26/38 ,  B26D3/00 ,  E21B4/003 ,  F04D29/023 ,  F04D29/026 ,  F04D29/046 ,  F04D29/056 ,  F05D2300/224 ,  F05D2300/506 ,  F05D2300/605 ,  F16C17/02 ,  F16C17/04 ,  F16C33/043 ,  F16C33/108 ,  F16C2206/80 ,  F16C2352/00 ,  Y10T83/0524

摘要： In an embodiment, a bearing assembly includes superhard bearing elements distributed circumferentially about an axis. At least one of the superhard bearing elements may include a first arcuate end portion, a second arcuate end portion, a first substantially planar face, a second substantially planar face, and a bearing surface. The first and second arcuate end portions may be generally opposite each other. The first substantially planar face may extend between the first and second arcuate end portions. The second substantially planar face may be generally opposite the first substantially planar face. The first substantially planar face may have a length greater than a length of the second substantially planar face. The bearing surface may extend between the first arcuate end portion, the second arcuate end portion, the first substantially planar face, and the second substantially planar face. The bearing assembly includes a support ring that carries the superhard bearing elements.

摘要翻译： 在一个实施例中，轴承组件包括围绕轴线周向分布的超硬轴承元件。 超硬轴承元件中的至少一个可以包括第一弧形端部，第二弧形端部，第一基本平坦的面，第二基本平坦的面和支承面。 第一和第二弓形端部可以大致相互相对。 第一基本平坦的面可以在第一和第二弓形端部之间延伸。 第二基本平坦的面可以大致与第一基本上平坦的面相对。 第一基本平坦的面可以具有大于第二基本上平坦的面的长度的长度。 轴承表面可以在第一弧形端部，第二弧形端部，第一基本上平坦的面和第二基本平坦的面之间延伸。 轴承组件包括承载超硬轴承元件的支撑环。

公开(公告)号：US20120321232A1

公开(公告)日：2012-12-20

申请号：US13540059

申请日：2012-07-02

申请人： Craig H. Cooley ,  Timothy N. Sexton

发明人： Craig H. Cooley ,  Timothy N. Sexton

IPC分类号： F16C17/00

CPC分类号： F16C33/043 ,  E21B4/003 ,  F16C17/02 ,  F16C17/04 ,  F16C17/06 ,  F16C33/04 ,  F16C33/108 ,  F16C33/26 ,  F16C2206/04 ,  F16C2352/00

摘要： Bearing apparatuses including contacting bearing surfaces comprising superhard materials are disclosed. In one embodiment, the present invention relates to bearings including polycrystalline diamond inserts or compacts defining a plurality of surfaces that move relative to one another and contact one another. For example, apparatuses may include radial bearings, or other bearings including arcuate bearing surfaces that more in relation to one another, without limitation. In one embodiment, a superhard bearing element may comprise a superhard table (e.g., polycrystalline diamond) forming an arcuate bearing surface. Further, such a superhard bearing element may comprise a chamfer formed about at least a portion of a periphery of the arcuate bearing surface. Bearing apparatuses including such bearing elements and various mechanical systems are disclosed.

摘要翻译： 公开了包括超硬材料接触承载表面的轴承装置。 在一个实施例中，本发明涉及包括多晶金刚石刀片或紧凑件的轴承，所述多个金刚石刀片或紧凑件限定相对于彼此移动并彼此接触的多个表面。 例如，设备可以包括径向轴承或者包括相对于彼此更多的弓形轴承表面的其它轴承，但不限于此。 在一个实施例中，超硬轴承元件可以包括形成弓形承载表面的超硬表（例如，多晶金刚石）。 此外，这种超硬轴承元件可以包括围绕弓形支承表面的周边的至少一部分形成的倒角。 公开了包括这种轴承元件和各种机械系统的轴承装置。

公开(公告)号：US08210285B2

公开(公告)日：2012-07-03

申请号：US13289871

申请日：2011-11-04

申请人： Craig H. Cooley ,  Timothy N. Sexton ,  S. Barrett Peterson ,  Jeffrey Lund ,  Christopher F. Johnson

发明人： Craig H. Cooley ,  Timothy N. Sexton ,  S. Barrett Peterson ,  Jeffrey Lund ,  Christopher F. Johnson

IPC分类号： E21B10/43 ,  E21B10/62

CPC分类号： E21B10/42 ,  B23B27/12 ,  E21B10/08 ,  E21B10/55 ,  E21B10/567 ,  E21B10/62 ,  E21B2010/545

摘要： A subterranean drilling system may include a drill string and a rotary drill bit coupled to the drill string. The rotary drill bit may include a bit body and a cutting element coupled to the bit body, with the cutting element being structured to rotate in response to torque applied to the cutting element. The system also may include a cam assembly coupled to the drill string, a cam follower assembly in contact with a cam surface of the cam assembly, and a torque-applying structure coupled to the cam follower assembly. The torque-applying structure may be configured to apply torque to the cutting element in response to relative rotation between the cam assembly and the cam follower assembly.

摘要翻译： 地下钻井系统可以包括钻柱和连接到钻柱的旋转钻头。 旋转钻头可以包括钻头体和联接到钻头体的切割元件，其中切割元件构造成响应于施加到切割元件的扭矩而旋转。 该系统还可以包括联接到钻柱的凸轮组件，与凸轮组件的凸轮表面接触的凸轮从动件组件和联接到凸轮从动件组件的扭矩施加结构。 扭矩施加结构可以被配置为响应于凸轮组件和凸轮从动件组件之间的相对旋转而向切割元件施加扭矩。

公开(公告)号：US08069933B2

公开(公告)日：2011-12-06

申请号：US12964208

申请日：2010-12-09

申请人： Timothy N. Sexton ,  Craig H. Cooley

发明人： Timothy N. Sexton ,  Craig H. Cooley

IPC分类号： E21B4/02

CPC分类号： F16C33/26 ,  F16C17/03 ,  F16C23/04 ,  F16C27/02 ,  F16C33/043 ,  F16C41/02 ,  F16C2352/00

摘要： Various embodiments of the present invention relate to bearing assemblies configured to accommodate non-uniform loading and misalignment with an adjacent bearing assembly. In one embodiment of the present invention, a bearing assembly for use in a subterranean drilling system is disclosed. The bearing assembly includes a support ring and a retention ring attached to the support ring, with the retention ring including a plurality of through holes. The bearing assembly includes a plurality of bearing elements each of which includes a superhard bearing surface. Each of the bearing elements is positioned in and extends from a corresponding through hole of the plurality of through holes. At least a number of the bearing elements are configured to restrict displacement through the corresponding through hole and away from the support ring. Further embodiments of the present invention are directed to a thrust-bearing apparatus, a radial bearing apparatus, and a downhole motor that incorporates disclosed thrust-bearing and radial bearing assemblies.

摘要翻译： 本发明的各种实施例涉及构造成适应与相邻轴承组件的不均匀加载和不对准的轴承组件。 在本发明的一个实施例中，公开了一种用于地下钻井系统的轴承组件。 轴承组件包括支撑环和附接到支撑环的保持环，保持环包括多个通孔。 轴承组件包括多个轴承元件，每个轴承元件包括超硬轴承表面。 每个轴承元件定位在多个通孔的对应的通孔中并从其延伸。 至少多个轴承元件构造成限制通过相应的通孔并远离支撑环的位移。 本发明的另外的实施例涉及一种包括所公开的推力轴承和径向轴承组件的推力轴承装置，径向轴承装置和井下电动机。

公开(公告)号：US07987931B2

公开(公告)日：2011-08-02

申请号：US12554797

申请日：2009-09-04

申请人： Craig H. Cooley ,  Timothy N. Sexton

发明人： Craig H. Cooley ,  Timothy N. Sexton

IPC分类号： E21B10/43 ,  E21B10/62

CPC分类号： E21B10/567 ,  B23B27/12 ,  E21B10/62 ,  Y10T83/04 ,  Y10T407/221 ,  Y10T407/27

摘要： A rotary drill bit for drilling a subterranean formation may comprise a bit body, a cutting element coupled to the bit body, and a torque-generating assembly configured to apply torque, either continuously or periodically, to the cutting element. The torque-generating assembly may be powered by the rotary motion of the rotary drill bit or may be hydraulically or electrically powered. The cutting element may comprise a substrate, a table of superabrasive material disposed on an end of the substrate, and at least one impelling feature formed along the exterior surface of the substrate. In addition, a method of rotating a cutting element coupled to a drill bit for drilling a subterranean formation may comprise providing a cutting element comprising a table bonded to a substrate, coupling the substrate of the cutting element to a drill bit body, and applying torque to the substrate of the cutting element.

摘要翻译： 用于钻探地下地层的旋转钻头可以包括钻头体，连接到钻头体的切割元件，以及扭矩产生组件，其被配置为连续地或周期性地向切割元件施加扭矩。 扭矩产生组件可以由旋转钻头的旋转运动来驱动，或者可以是液压或电动的。 切割元件可以包括基底，设置在基底的一端上的超级磨料材料的台面以及沿着基底的外表面形成的至少一个推进特征。 此外，旋转耦合到用于钻探地下地层的钻头的切割元件的方法可以包括提供切割元件，该切割元件包括结合到基底的台，将切割元件的基底连接到钻头体上，并施加扭矩 到切割元件的基底。

公开(公告)号：US07942218B2

公开(公告)日：2011-05-17

申请号：US12134489

申请日：2008-06-06

申请人： Craig H. Cooley ,  Timothy N. Sexton ,  David P. Miess ,  Jeffrey B. Lund

发明人： Craig H. Cooley ,  Timothy N. Sexton ,  David P. Miess ,  Jeffrey B. Lund

IPC分类号： E21B10/42

CPC分类号： E21B10/5673 ,  E21B10/42 ,  E21B10/55 ,  E21B10/573 ,  E21B10/5735 ,  E21B10/633 ,  E21B2010/562 ,  E21B2010/624

摘要： A cutting element assembly for use on a rotary drill bit for forming a borehole in a subterranean formation. A cutting element assembly includes a cutting element having a substrate. The cutting element assembly additionally includes a superabrasive material bonded to the substrate. The substrate extends from an end surface to a back surface. A base member is also coupled to the back surface of the substrate. Additionally, a recess is defined in the base member and a structural element is coupled to the base member. The cutting element assembly also includes a biasing element configured to selectively bias the structural element.

摘要翻译： 一种在旋转钻头上用于在地层中形成钻孔的切割元件组件。 切割元件组件包括具有基底的切割元件。 切割元件组件另外包括结合到基底的超级磨料。 基板从端面延伸到后表面。 基底构件也耦合到衬底的背面。 此外，在基底构件中限定凹部，并且结构元件联接到基底构件。 切割元件组件还包括被配置为选择性地偏置结构元件的偏置元件。

公开(公告)号：US20090324348A1

公开(公告)日：2009-12-31

申请号：US12554797

申请日：2009-09-04

申请人： Craig H. Cooley ,  Timothy N. Sexton

发明人： Craig H. Cooley ,  Timothy N. Sexton

IPC分类号： B26D1/00

CPC分类号： E21B10/567 ,  B23B27/12 ,  E21B10/62 ,  Y10T83/04 ,  Y10T407/221 ,  Y10T407/27

摘要： A rotary drill bit for drilling a subterranean formation may comprise a bit body, a cutting element coupled to the bit body, and a torque-generating assembly configured to apply torque, either continuously or periodically, to the cutting element. The torque-generating assembly may be powered by the rotary motion of the rotary drill bit or may be hydraulically or electrically powered. The cutting element may comprise a substrate, a table of superabrasive material disposed on an end of the substrate, and at least one impelling feature formed along the exterior surface of the substrate. In addition, a method of rotating a cutting element coupled to a drill bit for drilling a subterranean formation may comprise providing a cutting element comprising a table bonded to a substrate, coupling the substrate of the cutting element to a drill bit body, and applying torque to the substrate of the cutting element.

摘要翻译： 用于钻探地下地层的旋转钻头可以包括钻头体，连接到钻头体的切割元件，以及扭矩产生组件，其被配置为连续地或周期性地向切割元件施加扭矩。 扭矩产生组件可以由旋转钻头的旋转运动来驱动，或者可以是液压或电动的。 切割元件可以包括基底，设置在基底的一端上的超级磨料材料的台面以及沿着基底的外表面形成的至少一个推进特征。 此外，旋转耦合到用于钻探地下地层的钻头的切割元件的方法可以包括提供切割元件，该切割元件包括结合到基底的台，将切割元件的基底连接到钻头体上，并施加扭矩 到切割元件的基底。

公开(公告)号：US08800686B2

公开(公告)日：2014-08-12

申请号：US12854337

申请日：2010-08-11

申请人： Timothy N. Sexton ,  Craig H. Cooley

发明人： Timothy N. Sexton ,  Craig H. Cooley

IPC分类号： E21B10/22

CPC分类号： F16C17/22 ,  E21B4/003 ,  F16C17/04 ,  F16C27/08 ,  F16C33/043 ,  F16C33/108 ,  F16C33/26 ,  F16C2240/40 ,  F16C2352/00

摘要： Various embodiments relate to a bearing assembly including a support ring configured to reduce thermal warping under operational temperature conditions, a bearing apparatus that may utilize such a thrust-bearing assembly, and applications that incorporate the disclosed bearing apparatuses such as downhole motors in subterranean drilling systems, directional drilling systems, and many other apparatuses. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed circumferentially about an axis. The thrust-bearing assembly further includes a support ring having the plurality of superhard bearing elements mounted thereto. The support ring includes at least one thermal-warping-reducing feature configured to reduce a radial moment, compared to if the at least one thermal-warping-reducing feature were absent from the support ring, which is thermally induced in the support ring when the support ring and the plurality of superhard bearing elements are exposed to operational temperature conditions.

摘要翻译： 各种实施例涉及一种轴承组件，其包括构造成在工作温度条件下减少热翘曲的支撑环，可利用这种推力轴承组件的轴承装置，以及将所公开的轴承装置如地下钻井系统中的井下电机 ，定向钻井系统和许多其他装置。 在一个实施例中，轴承组件包括围绕轴线周向分布的多个超硬轴承元件。 推力轴承组件还包括具有安装在其上的多个超硬轴承元件的支撑环。 与如果在支撑环中不存在至少一个热翘曲减小特征的支撑环相比，支撑环包括至少一个热翘曲减小特征，其被配置为减小径向力矩，当在 支撑环和多个超硬轴承元件暴露于工作温度条件。

公开(公告)号：US08646981B2

公开(公告)日：2014-02-11

申请号：US13550825

申请日：2012-07-17

申请人： S. Barrett Peterson ,  Craig H. Cooley ,  Timothy N. Sexton

发明人： S. Barrett Peterson ,  Craig H. Cooley ,  Timothy N. Sexton

IPC分类号： F16C17/02 ,  F16C17/04

CPC分类号： F16C17/06 ,  F04D29/046 ,  F16C17/028 ,  F16C17/03 ,  F16C33/043 ,  F16C43/02 ,  F16C2206/04 ,  F16C2206/82 ,  F16C2226/14 ,  F16C2226/34 ,  F16C2226/36 ,  F16C2226/60 ,  F16C2240/40 ,  F16C2352/00 ,  F16C2360/00 ,  F16C2360/44 ,  Y10T29/49645

摘要： Bearing components, bearing assemblies and related methods are provided. In one embodiment, a bearing element includes a base layer and a polycrystalline diamond (PCD) layer comprising a plurality of PCD elements coupled with the base layer wherein each PCD element comprising a substrate and a diamond table. The plurality of PCD elements may be fit together to form a substantially continuous bearing surface. For example, the diamond tables may exhibit substantially square or rectangular geometries that are fit together to define the bearing surface. In other embodiments, the bearing elements may be spaced apart from one another. In other embodiments, the bearing element may include a single PCD element formed from a prefabricated PCD compact or cutting tool blank. Various bearing assemblies may incorporate such a bearing element including, for example, thrust bearings, journal bearings, and tilting pad bearing assemblies.

摘要翻译： 提供轴承部件，轴承组件及相关方法。 在一个实施例中，支承元件包括基底层和多晶金刚石（PCD）层，该多晶金刚石（PCD）层包括与基底层耦合的多个PCD元件，其中每个PCD元件包括基底和金刚石台。 多个PCD元件可以装配在一起以形成基本上连续的支承表面。 例如，金刚石台可以表现出基本上正方形或矩形的几何形状，它们配合在一起以限定支承表面。 在其他实施例中，支承元件可以彼此间隔开。 在其他实施例中，支承元件可以包括由预制的PCD压实或切削工具坯件形成的单个PCD元件。 各种轴承组件可以包括这种轴承元件，包括例如推力轴承，轴颈轴承和倾斜垫轴承组件。

公开(公告)号：US08616770B2

公开(公告)日：2013-12-31

申请号：US13599752

申请日：2012-08-30

申请人： Timothy N. Sexton ,  Craig H. Cooley

发明人： Timothy N. Sexton ,  Craig H. Cooley

IPC分类号： F16C33/00 ,  F16C33/24 ,  F16C17/04

CPC分类号： F16C33/108 ,  E21B4/003 ,  F16C17/04 ,  F16C33/043 ,  F16C33/26 ,  F16C2352/00

摘要： In an embodiment, a bearing apparatus comprises a first bearing assembly including a plurality of circumferentially-spaced first bearing elements each of which includes a first bearing surface. The bearing apparatus further includes a second bearing assembly including a plurality of circumferentially-spaced second bearing elements each of which includes a second bearing surface oriented to engage the first bearing surfaces of the first bearing assembly during operation. At least one of the second bearing elements may be circumferentially spaced from an adjacent one of the second bearing elements by a lateral spacing greater than a lateral dimension of the at least one of the second bearing elements.

摘要翻译： 在一个实施例中，轴承装置包括第一轴承组件，其包括多个周向间隔开的第一轴承元件，每个轴承元件包括第一支承表面。 轴承装置还包括第二轴承组件，其包括多个周向间隔开的第二轴承元件，每个第二轴承元件包括在操作期间定向成与第一轴承组件的第一支承表面接合的第二轴承表面。 第二轴承元件中的至少一个可以与第二轴承元件中的相邻的一个圆周间隔开大于第二轴承元件中的至少一个的横向尺寸的横向间隔。