METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL COMPONENTS AND DETERMINING FITNESS-FOR-USE OF THE SAME
    2.
    发明申请
    METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL COMPONENTS AND DETERMINING FITNESS-FOR-USE OF THE SAME 审中-公开
    非破坏性评估旋转地球钻孔组件的方法和确定其适用性的方法

    公开(公告)号:US20100329081A1

    公开(公告)日:2010-12-30

    申请号:US12492705

    申请日:2009-06-26

    IPC分类号: G01S3/80 E21B10/36

    摘要: A method of non-destructively identifying and characterizing defects in a rotary drill component is provided. The method includes providing a drill component and an ultrasonic test system including a phased array ultrasonic transducer (PAUT). The method also includes acoustically coupling the PAUT to a surface location, transmitting focused ultrasonic acoustic waves at the location into the PAUT and recording a reflected acoustic response corresponding to a portion of a predetermined volume of a microstructure of the component associated with the location on the surface. The method also includes storing the response and moving one of the transducer or the component to a plurality of unique locations representative of the predetermined microstructure and repeating these steps. The method also includes processing the responses and providing an output signal to an output device configured to provide an output indicative of differences in the output signal within the predetermined volume of the microstructure.

    摘要翻译: 提供了一种非破坏性地识别和表征旋转钻头部件中的缺陷的方法。 该方法包括提供钻组件和包括相控阵超声波换能器(PAUT)的超声波测试系统。 该方法还包括将PAUT声学耦合到表面位置,在该位置处将聚焦的超声波波传输到PAUT中,并且记录对应于与该位置相关联的组件的预定体积的微结构的一部分的反射声响应 表面。 该方法还包括存储响应并将换能器或组件之一移动到表示预定微结构的多个独特位置,并重复这些步骤。 该方法还包括处理响应并向输出装置提供输出信号,输出装置被配置成提供指示微结构的预定体积内的输出信号的差异的输出。

    Earth boring bit with tilted hydrodynamic thrust bearing
    3.
    发明授权
    Earth boring bit with tilted hydrodynamic thrust bearing 有权
    具有倾斜流体动力推力轴承的地球钻头

    公开(公告)号:US07465096B2

    公开(公告)日:2008-12-16

    申请号:US11248623

    申请日:2005-10-12

    IPC分类号: F16C33/00 F16C33/66 E21B10/22

    CPC分类号: E21B10/24

    摘要: An earth boring bit has thrust faces with one of the thrust faces being at least partially tilted relative to the other. The bit has a cone rotatably mounted to a bearing pin of the bit body. The thrust faces are in the cone and on an end of the bearing pin. One of the thrust faces is completely flat and perpendicular to the axis of the bearing pin. The other thrust face has a tilted portion that is at a skewed angle relative to the axis. The tilted portion creates converging and diverging zones between the thrust faces.

    摘要翻译: 地球钻头具有推力面,其中一个推力面相对于另一个至少部分地倾斜。 钻头具有可旋转地安装到钻头体的轴承销的锥体。 推力面位于圆锥体和轴承销的一端。 其中一个推力面完全平坦且垂直于轴承销的轴线。 另一个推力面具有相对于轴线倾斜的倾斜部分。 倾斜部分在推力面之间产生会聚和发散区域。

    Elastomer Material for High Temperature Roller Cone Bits
    4.
    发明申请
    Elastomer Material for High Temperature Roller Cone Bits 审中-公开
    高温滚筒钻头用弹性体材料

    公开(公告)号:US20080257610A1

    公开(公告)日:2008-10-23

    申请号:US12104891

    申请日:2008-04-17

    IPC分类号: E21B10/25

    CPC分类号: E21B10/25

    摘要: An earth boring bit has a bit body with at least one bearing pin. A cone is rotatably mounted on the bearing pin. A seal assembly is located between the cone and the bearing pin, the seal assembly having at least one flexible seal member. A flexible pressure compensating diaphragm is mounted in the body. The diaphragm has one side adapted to be exposed to borehole fluids and another side in contact with lubricant contained in bearing spaces between the cone and the bearing pin. The flexible seal member and the diaphragm are formed of a fluorinated elastomer. The elastomer is either a perfluoroelastomer (FFKM) or a fluoroelastomer (FKM).

    摘要翻译: 地镗头具有至少一个轴承销的位体。 锥体可旋转地安装在轴承销上。 密封组件位于锥体和支承销之间,密封组件具有至少一个柔性密封构件。 柔性压力补偿膜片安装在主体内。 隔膜具有适于暴露于井眼流体的一侧,另一侧与锥体和轴承销之间的轴承空间中包含的润滑剂接触。 柔性密封构件和隔膜由氟化弹性体形成。 弹性体是全氟弹性体(FFKM)或氟弹性体(FKM)。

    Earth boring bit with wear resistant bearing and seal
    5.
    发明授权
    Earth boring bit with wear resistant bearing and seal 有权
    地镗头带耐磨轴承和密封

    公开(公告)号:US08196682B2

    公开(公告)日:2012-06-12

    申请号:US12417416

    申请日:2009-04-02

    IPC分类号: E21B10/22

    CPC分类号: E21B10/22 E21B10/25

    摘要: A roller cone bit is provided that includes a wear resistant coating applied to a bearing shaft, which is attached to a roller cone. The wear resistant coating can be a tungsten/tungsten carbide composite applied by chemical vapor deposition.

    摘要翻译: 提供了一种辊锥头,其包括施加到轴承轴上的耐磨涂层,其附接到辊锥。 耐磨涂层可以是通过化学气相沉积施加的钨/碳化钨复合材料。

    SYNERGIC SURFACE MODIFICATION FOR BEARING SEAL
    8.
    发明申请
    SYNERGIC SURFACE MODIFICATION FOR BEARING SEAL 审中-公开
    用于轴承密封的合成表面改性

    公开(公告)号:US20110048810A1

    公开(公告)日:2011-03-03

    申请号:US12548238

    申请日:2009-08-26

    IPC分类号: E21B10/25 F16J15/16 B23P25/00

    摘要: The present invention relates to a method and apparatus for forming a dynamic seal between two surfaces. More specifically, the invention relates to creating a textured surface with a thin, hard coating on a metallic annular sealing ring such as the sealing ring used in an earth boring drill bit.

    摘要翻译: 本发明涉及用于在两个表面之间形成动态密封件的方法和装置。 更具体地,本发明涉及在金属环形密封环(例如用于钻孔钻头中的密封环)上形成具有薄的硬涂层的纹理表面。

    EARTH BORING BIT WITH WEAR RESISTANT BEARING AND SEAL
    9.
    发明申请
    EARTH BORING BIT WITH WEAR RESISTANT BEARING AND SEAL 有权
    具有抗磨损轴承和密封件的接地钻头

    公开(公告)号:US20090194339A1

    公开(公告)日:2009-08-06

    申请号:US12417416

    申请日:2009-04-02

    IPC分类号: E21B10/22 E21B10/00

    CPC分类号: E21B10/22 E21B10/25

    摘要: A roller cone bit is provided that includes a wear resistant coating applied to a bearing shaft, which is attached to a roller cone. The wear resistant coating can be a tungsten/tungsten carbide composite applied by chemical vapor deposition.

    摘要翻译: 提供了一种辊锥头,其包括施加到轴承轴上的耐磨涂层,其附接到辊锥。 耐磨涂层可以是通过化学气相沉积施加的钨/碳化钨复合材料。

    Drill bit with a dynamic metal seal
    10.
    发明授权
    Drill bit with a dynamic metal seal 有权
    钻头采用动态金属密封

    公开(公告)号:US09316055B2

    公开(公告)日:2016-04-19

    申请号:US13886911

    申请日:2013-05-03

    IPC分类号: E21B10/25 E21B10/22

    摘要: In one aspect, a drill bit is disclosed that in one embodiment may include a bit body, a rotating cutter on the bit body, and a metallic seal between the bit body and the rotating cutter that includes a first seal member, a second seal member having a first end in sealing contact with the first seal member, a second end fixed relative to the first end and a bias member between the first end and the second end that adjusts the load on the first seal member in response to external load applied on the drill bit.

    摘要翻译: 在一个方面,公开了一种钻头,其在一个实施例中可以包括钻头体,钻头体上的旋转切割器以及钻头体和旋转切割器之间的金属密封件,其包括第一密封构件,第二密封构件 具有与所述第一密封构件密封接触的第一端,相对于所述第一端固定的第二端和在所述第一端和所述第二端之间的偏置构件,其响应于施加在所述第一密封构件上的外部负载来调节所述第一密封构件上的载荷 钻头。