High impact resistant tool
    1.
    发明授权
    High impact resistant tool 有权
    高抗冲击工具

    公开(公告)号:US08365845B2

    公开(公告)日:2013-02-05

    申请号:US13253235

    申请日:2011-10-05

    IPC分类号: E21B10/567 E21B10/573

    摘要: In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.

    摘要翻译: 在本发明的一个方面,高抗冲击工具包括在界面处结合到胶合金属碳化物基底的烧结多晶金刚石体,该主体包括具有顶点的基本上尖锐的几何形状,该顶点包括与 分别在第一和第二过渡处的主体的前侧和后侧,第一和第二过渡之间的顶点宽度小于衬底的宽度的三分之一,并且主体还包括从顶部到顶部的主体厚度 界面大于衬底宽度的三分之一。

    High impact resistant tool with an apex width between a first and second transitions
    3.
    发明授权
    High impact resistant tool with an apex width between a first and second transitions 有权
    具有第一和第二过渡之间的顶点宽度的高抗冲击工具

    公开(公告)号:US08960337B2

    公开(公告)日:2015-02-24

    申请号:US12828287

    申请日:2010-06-30

    摘要: In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.

    摘要翻译: 在本发明的一个方面,高抗冲击工具包括在界面处结合到胶合金属碳化物基底的烧结多晶金刚石体,该主体包括具有顶点的基本上尖锐的几何形状,该顶点包括与 分别在第一和第二过渡处的主体的前侧和后侧,第一和第二过渡之间的顶点宽度小于衬底的宽度的三分之一,并且主体还包括从顶部到顶部的主体厚度 界面大于衬底宽度的三分之一。

    High Impact Resistant Tool with an Apex Width between a First and Second Transitions
    4.
    发明申请
    High Impact Resistant Tool with an Apex Width between a First and Second Transitions 有权
    具有第一和第二转换之间的顶点宽度的高抗冲击工具

    公开(公告)号:US20100263939A1

    公开(公告)日:2010-10-21

    申请号:US12828287

    申请日:2010-06-30

    摘要: In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.

    摘要翻译: 在本发明的一个方面,高抗冲击工具包括在界面处结合到胶合金属碳化物基底的烧结多晶金刚石体,该主体包括具有顶点的基本上尖锐的几何形状,该顶点包括与 分别在第一和第二过渡处的主体的前侧和后侧,第一和第二过渡之间的顶点宽度小于衬底的宽度的三分之一,并且主体还包括从顶部到顶部的主体厚度 界面大于衬底宽度的三分之一。

    Method for drilling with a fixed bladed bit
    6.
    发明授权
    Method for drilling with a fixed bladed bit 有权
    用固定刀片钻头钻孔的方法

    公开(公告)号:US08714285B2

    公开(公告)日:2014-05-06

    申请号:US12619423

    申请日:2009-11-16

    IPC分类号: E21B10/43

    摘要: A downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least one blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.

    摘要翻译: 井下固定叶片包括工作表面,该工作表面包括多个叶片,所述多个叶片在工作表面的中心处会聚并向着钻头的量规发散;至少一个刀片,包括切割元件,该切割元件包括结合到胶合金属碳化物基底的超硬材料 在非平面界面处,所述切割元件被定位在正前角,并且所述超硬材料包括基本上圆锥形的几何形状,其顶点包括曲率。

    Tracking Shearing Cutters on a Fixed Bladed Drill Bit with Pointed Cutting Elements
    7.
    发明申请
    Tracking Shearing Cutters on a Fixed Bladed Drill Bit with Pointed Cutting Elements 有权
    在带有切割元件的固定刀片钻头上跟踪剪切刀

    公开(公告)号:US20110259650A1

    公开(公告)日:2011-10-27

    申请号:US12766555

    申请日:2010-04-23

    IPC分类号: E21B10/43 E21B10/55

    摘要: In one aspect of the invention, a fixed bladed drill bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit. Each blade comprises a plurality of pointed cutting elements and another plurality of shearing cutters. The plurality of shearing cutters comprises a first shearing cutter. The first shearing cutter on each blade tracks the first shearing cutter on other blades along a common circular cutting path.

    摘要翻译: 在本发明的一个方面,固定刀片钻头包括工作表面,该工作表面包括会聚在工作表面的中心并朝向钻头的量规发散的多个叶片。 每个叶片包括多个尖锐的切割元件和另外多个剪切刀。 多个剪切刀包括第一剪切刀。 每个刀片上的第一个剪切刀沿着共同的圆形切割路径跟踪其他刀片上的第一个剪切刀。

    Fixed bladed bit that shifts weight between an indenter and cutting elements
    8.
    发明授权
    Fixed bladed bit that shifts weight between an indenter and cutting elements 有权
    固定刀片,可以在压头和切削元件之间移动重量

    公开(公告)号:US08616305B2

    公开(公告)日:2013-12-31

    申请号:US12619377

    申请日:2009-11-16

    IPC分类号: E21B10/26

    摘要: In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.

    摘要翻译: 在本发明的一个方面,一种井下固定叶片钻头包括工作表面,该工作表面包括多个叶片,所述多个叶片在工作表面的中心处会聚并且朝向钻头的量规发散,至少在刀片上包括切割元件,该切割元件包括超硬 材料在非平面界面处结合到胶合金属碳化物基底,所述切割元件以正前角定位,并且所述超硬材料包括具有顶点的基本上圆锥形的几何形状,所述顶点包括曲率。

    Method for Drilling with a Fixed Bladed Bit
    9.
    发明申请
    Method for Drilling with a Fixed Bladed Bit 有权
    用固定刀片钻头钻孔的方法

    公开(公告)号:US20100065332A1

    公开(公告)日:2010-03-18

    申请号:US12619423

    申请日:2009-11-16

    IPC分类号: E21B7/00 E21B10/55

    摘要: In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.

    摘要翻译: 在本发明的一个方面,一种井下固定叶片钻头包括工作表面,该工作表面包括多个叶片,所述多个叶片在工作表面的中心处会聚并且朝向钻头的量规发散,至少在刀片上包括切割元件,该切割元件包括超硬 材料在非平面界面处结合到胶合金属碳化物基底,所述切割元件以正前角定位,并且所述超硬材料包括具有顶点的基本上圆锥形的几何形状,所述顶点包括曲率。

    Cutting Element with Low Metal Concentration
    10.
    发明申请
    Cutting Element with Low Metal Concentration 审中-公开
    低金属浓度的切削元件

    公开(公告)号:US20100059289A1

    公开(公告)日:2010-03-11

    申请号:US12619466

    申请日:2009-11-16

    IPC分类号: E21B10/46 E21B10/58 E21B10/55

    摘要: In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.

    摘要翻译: 在本发明的一个方面,一种井下固定叶片钻头包括工作表面,该工作表面包括多个叶片,所述多个叶片在工作表面的中心处会聚并且朝向钻头的量规发散,至少在刀片上包括切割元件,该切割元件包括超硬 材料在非平面界面处结合到胶合金属碳化物基底,所述切割元件以正前角定位,并且所述超硬材料包括具有顶点的基本上圆锥形的几何形状,所述顶点包括曲率。