Composite cutter substrate to mitigate residual stress
    1.
    发明授权
    Composite cutter substrate to mitigate residual stress 失效
    复合刀片基板,以减轻残余应力

    公开(公告)号:US08702825B2

    公开(公告)日:2014-04-22

    申请号:US13024133

    申请日:2011-02-09

    IPC分类号: B24D18/00

    摘要: A method of forming a cutting element that includes filling at least one non-planar region on an upper surface of a carbide substrate with a diamond mixture, subjecting the substrate and the diamond mixture to high pressure high temperature sintering conditions to form a reduced-CTE substrate having polycrystalline diamond that extends a depth into the reduced-CTE substrate in an interface region, and an upper surface made of a composite surface of diamond and carbide, and attaching a polycrystalline diamond body to the composite surface of the reduced-CTE substrate is disclosed.

    摘要翻译: 一种形成切割元件的方法,该切割元件包括用金刚石混合物填充碳化物基底的上表面上的至少一个非平面区域,使基底和金刚石混合物经受高压高温烧结条件以形成降低的CTE 具有多晶金刚石的衬底,其在界面区域中延伸到减小CTE衬底的深度,以及由金刚石和碳化物的复合表面制成的上表面,以及将多晶金刚石体附着到还原CTE衬底的复合表面上, 披露

    COMPOSITE CUTTER SUBSTRATE TO MITIGATE RESIDUAL STRESS
    2.
    发明申请
    COMPOSITE CUTTER SUBSTRATE TO MITIGATE RESIDUAL STRESS 失效
    复合切割器底板减轻残余应力

    公开(公告)号:US20110192652A1

    公开(公告)日:2011-08-11

    申请号:US13024133

    申请日:2011-02-09

    摘要: A method of forming a cutting element that includes filling at least one non-planar region on an upper surface of a carbide substrate with a diamond mixture, subjecting the substrate and the diamond mixture to high pressure high temperature sintering conditions to form a reduced-CTE substrate having polycrystalline diamond that extends a depth into the reduced-CTE substrate in an interface region, and an upper surface made of a composite surface of diamond and carbide, and attaching a polycrystalline diamond body to the composite surface of the reduced-CTE substrate is disclosed.

    摘要翻译: 一种形成切割元件的方法,该切割元件包括用金刚石混合物填充碳化物基底的上表面上的至少一个非平面区域,使基底和金刚石混合物经受高压高温烧结条件以形成降低的CTE 具有多晶金刚石的衬底,其在界面区域中延伸到减小CTE衬底的深度,以及由金刚石和碳化物的复合表面制成的上表面,以及将多晶金刚石体附着到还原CTE衬底的复合表面上, 披露

    Rolling cutter assembled directly to the bit pockets
    4.
    发明授权
    Rolling cutter assembled directly to the bit pockets 有权
    滚动刀具直接组装到钻头口袋

    公开(公告)号:US08991523B2

    公开(公告)日:2015-03-31

    申请号:US13152626

    申请日:2011-06-03

    CPC分类号: E21B10/633 B23P15/28

    摘要: A drill bit includes a bit body, a plurality of blades extending radially from the bit body, a plurality of cutter pockets disposed on the plurality of blades, at least one rolling cutter disposed in one of the cutter pockets, wherein each rolling cutter has a substrate, a cutting face, a cutting edge, and a side surface, and at least one blocker positioned adjacent to each of the at least one rolling cutters on a leading face of the blade, wherein each blocker has a retention end and an attachment end. The retention end of each blocker is positioned adjacent to a portion of the cutting face of each rolling cutter to retain the rolling cutter in the cutter pocket and the attachment end is attached to a portion of the blade.

    摘要翻译: 钻头包括钻头体,从钻头体径向延伸的多个刀片,设置在多个刀片上的多个切割器凹槽,设置在其中一个切割器凹穴中的至少一个滚刀,其中每个滚切刀具有 基板,切割面,切割边缘和侧表面;以及至少一个阻挡件,其邻近于所述刀片的前表面上的所述至少一个滚动切割器中的每一个定位,其中每个阻挡件具有保持端和附接端 。 每个阻塞器的保持端定位成与每个滚动切割器的切割面的一部分相邻,以将滚动切割器保持在切割器凹槽中,并且附接端附接到叶片的一部分。

    METHODS OF ATTACHING ROLLING CUTTERS IN FIXED CUTTER BITS USING SLEEVE, COMPRESSION SPRING, AND/OR PIN(S)/BALL(S)
    5.
    发明申请
    METHODS OF ATTACHING ROLLING CUTTERS IN FIXED CUTTER BITS USING SLEEVE, COMPRESSION SPRING, AND/OR PIN(S)/BALL(S) 有权
    使用套筒,压缩弹簧和/或引脚(S)/球(S)连接固定切割器中的滚动切割器的方法

    公开(公告)号:US20120273281A1

    公开(公告)日:2012-11-01

    申请号:US13456624

    申请日:2012-04-26

    IPC分类号: E21B10/36 B21K5/04

    摘要: A cutting element is disclosed that has a sleeve with a first inner diameter and a second inner diameter, wherein the second inner diameter is larger than the first inner diameter and located at a lower axial position than the first inner diameter, a rotatable cutting element having an axis of rotation extending therethrough, the rotatable cutting element at least partially disposed within the sleeve, wherein the rotatable cutting element has a cutting face and a body extending axially downward from the cutting face, at least one hole extending from an outer surface of the body toward the axis of rotation, and a locking device disposed in each hole, wherein the locking device protrudes from the hole to contact the second inner diameter of the sleeve, thereby retaining the rotatable cutting element within the sleeve.

    摘要翻译: 公开了一种具有第一内径和第二内径的套筒的切割元件,其中所述第二内径大于所述第一内径并且位于比所述第一内径更低的轴向位置处,所述可旋转切割元件具有 旋转的轴线延伸穿过其中,所述可旋转切割元件至少部分地设置在所述套筒内,其中所述可旋转切割元件具有切割面和从所述切割面轴向向下延伸的主体,从所述切割面的外表面延伸的至少一个孔 主体朝向旋转轴线,以及设置在每个孔中的锁定装置,其中锁定装置从孔突出以接触套筒的第二内径,从而将可旋转切割元件保持在套筒内。

    Polycrystalline diamond compact cutters with conic shaped end

    公开(公告)号:US09739097B2

    公开(公告)日:2017-08-22

    申请号:US13456352

    申请日:2012-04-26

    IPC分类号: E21B10/573

    CPC分类号: E21B10/573

    摘要: A cutting element may have a substrate; and an ultrahard material layer having a substantially planar upper surface disposed on an upper surface of the substrate; wherein at least a portion of the side surface between the upper surface of the substrate and a lower end of the substrate form at least one conic surface, wherein the at least one conic surface extends a height relative to the total height of the substrate and ultrahard material layer ranging from about 1:10 to 9:10, and wherein the substrate comprises a substantially planar lower surface. The cutting elements may also be rotatable cutting elements at least partially surrounded by outer support elements.

    POLYCRYSTALLINE DIAMOND COMPACT CUTTERS WITH CONIC SHAPED END
    7.
    发明申请
    POLYCRYSTALLINE DIAMOND COMPACT CUTTERS WITH CONIC SHAPED END 有权
    多晶金刚石紧凑型切割机

    公开(公告)号:US20120273280A1

    公开(公告)日:2012-11-01

    申请号:US13456352

    申请日:2012-04-26

    IPC分类号: E21B10/36

    CPC分类号: E21B10/573

    摘要: A cutting element may have a substrate; and an ultrahard material layer having a substantially planar upper surface disposed on an upper surface of the substrate; wherein at least a portion of the side surface between the upper surface of the substrate and a lower end of the substrate form at least one conic surface, wherein the at least one conic surface extends a height relative to the total height of the substrate and ultrahard material layer ranging from about 1:10 to 9:10, and wherein the substrate comprises a substantially planar lower surface. The cutting elements may also be rotatable cutting elements at least partially surrounded by outer support elements.

    摘要翻译: 切割元件可以具有基底; 以及超硬材料层,其具有设置在所述基板的上表面上的大致平坦的上表面; 其中所述基底的上表面和所述基底的下端之间的侧表面的至少一部分形成至少一个锥形表面,其中所述至少一个锥形表面相对于所述基底和超硬体的总高度延伸高度 材料层的范围为约1:10至9:10,并且其中所述基底包括基本平坦的下表面。 切割元件还可以是至少部分地被外部支撑元件包围的可旋转切割元件。

    Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
    8.
    发明授权
    Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) 有权
    使用套筒,压缩弹簧和/或销(球)的方式将切割机连接在固定刀头中,

    公开(公告)号:US09187962B2

    公开(公告)日:2015-11-17

    申请号:US13456624

    申请日:2012-04-26

    摘要: A cutting element has a sleeve with a first inner diameter and a second inner diameter, where the second inner diameter is larger than the first inner diameter and located at a lower axial position than the first inner diameter. A rotatable cutting element having an axis of rotation extending therethrough is at least partially disposed within the sleeve. The rotatable cutting element has a cutting face and a body extending axially downward from the cutting face, at least one hole extending from an outer surface of the body toward the axis of rotation, and a locking device disposed in each hole. The locking device protrudes from the hole to contact the second inner diameter of the sleeve, thereby retaining the rotatable cutting element within the sleeve.

    摘要翻译: 切割元件具有第一内径和第二内径的套筒,其中第二内径大于第一内径并且位于比第一内径更低的轴向位置。 具有延伸穿过其中的旋转轴线的可旋转切割元件至少部分地设置在套筒内。 可旋转切割元件具有切割面和从切割面轴向向下延伸的主体,从主体的外表面朝向旋转轴线延伸的至少一个孔以及设置在每个孔中的锁定装置。 锁定装置从孔突出以接触套筒的第二内径,从而将可旋转切割元件保持在套筒内。

    ROLLING CUTTER ASSEMBLED DIRECTLY TO THE BIT POCKETS
    9.
    发明申请
    ROLLING CUTTER ASSEMBLED DIRECTLY TO THE BIT POCKETS 有权
    滚动切割机直接组装到位口袋

    公开(公告)号:US20110297454A1

    公开(公告)日:2011-12-08

    申请号:US13152626

    申请日:2011-06-03

    IPC分类号: E21B10/36 B23P15/28

    CPC分类号: E21B10/633 B23P15/28

    摘要: A drill bit having a bit body, a plurality of blades extending radially from the bit body, a plurality of cutter pockets disposed on the plurality of blades, at least one rolling cutter disposed in one of the cutter pockets, wherein each rolling cutter has a substrate, a cutting face, a cutting edge, and a side surface, and at least one blocker positioned adjacent to each of the at least one rolling cutters on a leading face of the blade, wherein each blocker has a retention end and an attachment end is disclosed. The retention end of each blocker is positioned adjacent to a portion of the cutting face of each rolling cutter to retain the rolling cutter in the cutter pocket and the attachment end is attached to a portion of the blade.

    摘要翻译: 一种具有钻头体的钻头,从钻头体径向延伸的多个刀片,设置在所述多个刀片上的多个切割器凹槽,设置在所述切割器凹穴之一中的至少一个滚切刀具,其中每个滚切刀具有 基板,切割面,切割边缘和侧表面;以及至少一个阻挡件,其邻近于所述刀片的前表面上的所述至少一个滚动切割器中的每一个定位,其中每个阻挡件具有保持端和附接端 被披露。 每个阻塞器的保持端定位成与每个滚动切割器的切割面的一部分相邻,以将滚动切割器保持在切割器凹槽中,并且附接端附接到叶片的一部分。

    MATRIX BIT BODIES WITH MULTIPLE MATRIX MATERIALS
    10.
    发明申请
    MATRIX BIT BODIES WITH MULTIPLE MATRIX MATERIALS 有权
    具有多种矩阵材料的矩阵体

    公开(公告)号:US20100116557A1

    公开(公告)日:2010-05-13

    申请号:US12621402

    申请日:2009-11-18

    CPC分类号: E21B10/42 C22C29/08 E21B10/55

    摘要: A drill bit may include a bit body having a plurality of blades extending radially therefrom, the bit body comprising a first matrix region and a second matrix region, wherein the first matrix region is formed from a moldable matrix material having carbide particles with a unimodal particle size distribution; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades.

    摘要翻译: 钻头可以包括具有从其径向延伸的多个叶片的钻头体,钻头体包括第一矩阵区域和第二矩阵区域,其中第一矩阵区域由具有单峰颗粒的碳化物颗粒的可模制基体材料形成 尺寸分布; 以及用于接合设置在所述多个叶片中的至少一个叶片上的地层的至少一个切割元件。