Polycrystalline diamond bearing pads with bearing portions exhibiting different wear rates and related bearing assemblies and apparatuses
    1.
    发明授权
    Polycrystalline diamond bearing pads with bearing portions exhibiting different wear rates and related bearing assemblies and apparatuses 有权
    具有不同磨损率的轴承部分和相关的轴承组件和装置的多晶金刚石轴承垫

    公开(公告)号:US08678657B1

    公开(公告)日:2014-03-25

    申请号:US13267027

    申请日:2011-10-06

    摘要: Various embodiments relate to polycrystalline diamond (“PCD”) bearing pads having first and second bearing pad portions that exhibit different wear rates, and bearing assemblies and apparatuses (e.g., thrust-bearing apparatuses and radial bearing apparatuses) that utilize such PCD bearing pads. In an embodiment, a PCD bearing pad for use in a bearing assembly of a subterranean drilling system includes a PCD bearing pad body including a plurality of directly-bonded together diamond grains. The PCD bearing pad body further includes a first bearing pad portion exhibiting a first wear resistance, and a second bearing pad portion exhibiting a second wear resistance greater than the first wear resistance.

    摘要翻译: 各种实施例涉及具有表现出不同磨损率的第一和第二轴承瓦块部分的多晶金刚石(“PCD”)轴瓦,以及利用这种PCD轴瓦的轴承组件和装置(例如,推力轴承装置和径向轴承装置)。 在一个实施例中,用于地下钻井系统的轴承组件中的PCD轴承瓦块包括包括多个直接结合在一起的金刚石晶粒的PCD轴承瓦块本体。 PCD轴承垫体还包括呈现出第一耐磨性的第一轴承瓦块部分和显示出比第一耐磨性大的第二耐磨性的第二轴承瓦块部分。

    Tilting superhard bearing elements in bearing assemblies, apparatuses, and motor assemblies using the same
    2.
    发明授权
    Tilting superhard bearing elements in bearing assemblies, apparatuses, and motor assemblies using the same 有权
    在使用其的轴承组件,设备和电机组件中倾斜超硬轴承元件

    公开(公告)号:US08651743B2

    公开(公告)日:2014-02-18

    申请号:US13550831

    申请日:2012-07-17

    IPC分类号: F16C17/02 F16C17/04

    摘要: Embodiments relate to tilting superhard bearing element bearing assemblies and apparatuses. The disclosed assemblies/apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems. In an embodiment, a bearing assembly may include a support ring and a plurality of superhard bearing elements each of which is tilted and/or tiltably secured relative to the support ring and distributed circumferentially about an axis. Each of the superhard bearing elements includes a bearing surface and a base portion. The base portion of the at least one of the superhard bearing elements may include a tilting feature configured to allow the at least one of the superhard bearing elements to be tiltable about a tilt axis. The bearing assembly includes retaining features that secure the superhard bearing elements to the support ring.

    摘要翻译: 实施例涉及倾斜超硬轴承元件轴承组件和装置。 所公开的组件/装置可以用于地下钻井系统的井下马达或其它机械系统。 在一个实施例中,轴承组件可以包括支撑环和多个超硬轴承元件,每个超硬轴承元件相对于支撑环倾斜和/或可倾斜地固定并围绕轴线周向分布。 每个超硬轴承元件包括支承表面和基部。 所述至少一个所述超硬轴承元件的基部可以包括倾斜特征,所述倾斜特征被构造成允许所述至少一个所述超硬轴承元件围绕倾斜轴线倾斜。 轴承组件包括将超硬轴承元件固定到支撑环的保持特征。

    BEARING ASSEMBLIES, APPARATUSES, AND RELATED METHODS OF MANUFACTURE
    4.
    发明申请
    BEARING ASSEMBLIES, APPARATUSES, AND RELATED METHODS OF MANUFACTURE 有权
    轴承装配,装置和相关制造方法

    公开(公告)号:US20130016935A1

    公开(公告)日:2013-01-17

    申请号:US13183686

    申请日:2011-07-15

    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。

    BEARING ELEMENTS, BEARING APPARATUSES INCLUDING SAME, AND RELATED METHODS
    5.
    发明申请
    BEARING ELEMENTS, BEARING APPARATUSES INCLUDING SAME, AND RELATED METHODS 有权
    轴承元件,包括其的轴承装置及相关方法

    公开(公告)号:US20120321232A1

    公开(公告)日:2012-12-20

    申请号:US13540059

    申请日:2012-07-02

    IPC分类号: F16C17/00

    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。

    Bearing assemblies, and bearing apparatuses and motor assemblies using same
    8.
    发明授权
    Bearing assemblies, and bearing apparatuses and motor assemblies using same 有权
    轴承组件,以及使用其的轴承装置和电动机组件

    公开(公告)号:US08069933B2

    公开(公告)日:2011-12-06

    申请号:US12964208

    申请日:2010-12-09

    IPC分类号: E21B4/02

    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。

    Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element
    9.
    发明授权
    Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element 有权
    切割元件装置,包括其的钻头,切割方法以及旋转切割元件的方法

    公开(公告)号:US07987931B2

    公开(公告)日:2011-08-02

    申请号:US12554797

    申请日:2009-09-04

    IPC分类号: E21B10/43 E21B10/62

    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。

    Cutting element apparatuses and drill bits so equipped
    10.
    发明授权
    Cutting element apparatuses and drill bits so equipped 有权
    切割元件装置和钻头如此装备

    公开(公告)号:US07942218B2

    公开(公告)日:2011-05-17

    申请号:US12134489

    申请日:2008-06-06

    IPC分类号: E21B10/42

    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。