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    POLYCRYSTALLINE DIAMOND CONSTRUCTIONS WITH PROTECTIVE ELEMENT
    91.
    发明申请
    POLYCRYSTALLINE DIAMOND CONSTRUCTIONS WITH PROTECTIVE ELEMENT 审中-公开
    多晶金刚石结构与保护元素

    公开(公告)号：WO2017116660A1

    公开(公告)日：2017-07-06

    申请号：PCT/US2016/066051

    申请日：2016-12-11

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： YU, Feng ,  LUND, Jeffrey, Bruce

    IPC: E21B10/54 ,  E21B10/42

    CPC classification number: E21B10/5735 ,  C22C1/00 ,  C22C1/02

    Abstract: PCD constructions as disclosed comprise a ultra-hard body attached with a metallic substrate along a substrate extending between the body and the substrate. The construction includes a protective feature or element that is configured to protect a metal rich region or zone existing in the construction from unwanted effects of corrosion or erosion. The protective element extends from the body over the interface and along a portion of the substrate and may be integral with the body.

    Abstract translation: 所公开的PCD构造包括沿着在基体和基体之间延伸的基体与金属基体连接的超硬体。 该结构包括构造成保护建筑物中存在的富金属区域或区域免受腐蚀或侵蚀的不利影响的保护性特征或元件。 保护元件从主体延伸到界面上并沿着基板的一部分延伸，并且可以与主体成一体。

    DIRECT CASTING OF ULTRAHARD INSERT IN BIT BODY
    92.
    发明申请
    DIRECT CASTING OF ULTRAHARD INSERT IN BIT BODY 审中-公开
    直接铸造BIT BODY中的超薄刀片

    公开(公告)号：WO2017106388A1

    公开(公告)日：2017-06-22

    申请号：PCT/US2016/066730

    申请日：2016-12-14

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： BAO, Yahua ,  BELNAP, John Daniel

    IPC: E21B10/42 ,  E21B10/54

    CPC classification number: E21B10/54

    Abstract: A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.

    Abstract translation: 切削刀头包括主体，多个刀片以及直接铸入多个刀片中的至少一个中的至少一个超硬刀片。 超硬刀片的背面与刀片直接接触。

    ROTATING CUTTING STRUCTURES AND STRUCTURES FOR RETAINING THE SAME
    93.
    发明申请
    ROTATING CUTTING STRUCTURES AND STRUCTURES FOR RETAINING THE SAME 审中-公开
    旋转切割结构和结构保持相同

    公开(公告)号：WO2017058430A1

    公开(公告)日：2017-04-06

    申请号：PCT/US2016/049170

    申请日：2016-08-29

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： ZHANG, Youhe ,  CHEN, Chen ,  BURHAN, Yuri Y

    IPC: E21B10/42 ,  E21B10/43 ,  E21B10/62

    CPC classification number: E21B10/5673

    Abstract: A downhole cutting tool includes a tool body defining a cutter pocket and a rolling cutter having an inner rotatable cutting element and a sleeve in the cutter pocket, where axial movement of the inner rotatable cutting element is limited by an external retention element disposed outside of the sleeve.

    Abstract translation: 井下切割工具包括限定切割器凹穴的工具主体和具有内部可旋转切割元件和切割器凹槽中的套筒的滚动切割器，其中内部可旋转切割元件的轴向运动受外部保持元件限制 袖。

    BLADE GEOMETRY FOR FIXED CUTTER BITS
    96.
    发明申请
    BLADE GEOMETRY FOR FIXED CUTTER BITS 审中-公开
    固定切割刀片的刀片几何

    公开(公告)号：WO2016176221A1

    公开(公告)日：2016-11-03

    申请号：PCT/US2016/029393

    申请日：2016-04-26

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： AZAR, Michael G.

    IPC: E21B10/42 ,  E21B10/43 ,  E21B10/62

    CPC classification number: E21B10/42 ,  E21B10/43 ,  E21B10/5673 ,  E21B10/62

    Abstract: A downhole tool includes a tool body, at least one blade with a front face having an undulating geometry including a plurality of ridges and valleys, and a top face facing outwardly from the tool body and transitioning to the front face at a cutting edge. At least one cutting element is in a pocket at the cutting edge. The at least one cutting element has a non-planar cutting face facing in the same direction as the front face. The non-planar cutting face has at least two sloping surfaces meeting at an elongated crest, valley, or other feature. A portion of the elongated feature adjacent the front face may substantially align with, and have substantially corresponding geometry as, a ridge or valley of the front face.

    Abstract translation: 井下工具包括工具主体，至少一个刀片，其前表面具有包括多个脊和谷的起伏几何形状，以及从工具主体向外的过渡到切削刃处的顶面。 至少一个切割元件位于切割边缘的口袋中。 至少一个切割元件具有面向与前表面相同方向的非平面切割面。 非平面切割面具有至少两个在细长的顶部，谷部或其它特征处相交的倾斜表面。 与前表面相邻的细长特征的一部分可以与前表面的脊或谷基本上对齐，并具有基本相应的几何形状。

    ADDITIVE MANUFACTURING OF COMPOSITE MOLDS
    97.
    发明申请
    ADDITIVE MANUFACTURING OF COMPOSITE MOLDS 审中-公开
    复合材料的添加剂制造

    公开(公告)号：WO2016109074A1

    公开(公告)日：2016-07-07

    申请号：PCT/US2015/063199

    申请日：2015-12-01

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： KESHAVAN, Madapusi K. ,  KARUPPOOR, Srinand Sreedharan

    IPC: B22F5/00 ,  B22F7/02 ,  B22F3/105 ,  B33Y70/00 ,  B33Y80/00 ,  E21B10/42

    CPC classification number: B28B1/001 ,  B28B7/346 ,  B28B7/465 ,  B29C64/165 ,  B33Y10/00 ,  B33Y80/00

    Abstract: A method of forming a mold used to manufacture downhole tools includes depositing successive layers of a material mixture and an adhesive using an automated layering device according to a computer aided pattern, the material mixture including a first composition and a second composition, the first composition having at least a different shape, size, or chemical composition than the second composition, at least one of the first composition or the second composition being granulated.

    Abstract translation: 一种形成用于制造井下工具的模具的方法包括使用根据计算机辅助图案的自动分层装置沉积材料混合物和粘合剂的连续层，所述材料混合物包括第一组合物和第二组合物，所述第一组合物具有 至少不同于第二组合物的形状，尺寸或化学组成，第一组合物或第二组合物中的至少一种被造粒。

    POLYCRYSTALLINE DIAMOND CONSTRUCTIONS WITH ENHANCED SURFACE FEATURES
    98.
    发明申请
    POLYCRYSTALLINE DIAMOND CONSTRUCTIONS WITH ENHANCED SURFACE FEATURES 审中-公开
    具有增强表面特征的多晶金刚石构造

    公开(公告)号：WO2016099943A1

    公开(公告)日：2016-06-23

    申请号：PCT/US2015/063906

    申请日：2015-12-04

    Applicant: SMITH INTERNATIONAL, INC.

    Inventor： ZHANG, Haibo ,  BELNAP, John ,  FANG, Yi

    IPC: E21B10/54 ,  E21B10/42 ,  E21B10/43

    CPC classification number: E21B10/573

    Abstract: Polycrystalline diamond (PCD) constructions and cutting elements include a PCD body having a composite layer with a number of PCD particles dispersed in a surrounding PCD matrix. The composite layer has a wear surface including asperities projecting outwardly therefrom, where the asperities are formed from the PCD particles. In an embodiment, the asperities enhance the efficiency of breaking rock during a drilling operation. The body includes one or more PCD transition layers between the composite layer and a metallic substrate attached to the diamond-bonded body. The one or more transition layers may have a hardness that is the same or less than the hardness of the composite layer.

    Abstract translation: 多晶金刚石（PCD）结构和切割元件包括具有分散在周围PCD基质中的多个PCD颗粒的复合层的PCD体。 复合层具有包括从其向外突出的凹凸的磨损表面，其中由PCD颗粒形成凹凸。 在一个实施例中，凹凸增强了在钻井操作期间破碎岩石的效率。 该主体包括复合层与附着于金刚石结合体的金属基底之间的一个或多个PCD过渡层。 一个或多个过渡层可以具有与复合层的硬度相同或更小的硬度。

    MILLING TOOLS WITH A SECONDARY ATTRITION SYSTEM
    100.
    发明申请
    MILLING TOOLS WITH A SECONDARY ATTRITION SYSTEM 审中-公开
    具有二次引诱系统的铣削工具

    公开(公告)号：WO2016022633A1

    公开(公告)日：2016-02-11

    申请号：PCT/US2015/043730

    申请日：2015-08-05

    Applicant: SCHLUMBERGER CANADA LIMITED ,  SERVICES PETROLIERS SCHLUMBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  SMITH INTERNATIONAL, INC. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED

    Inventor： MAHAJAN, Manoj D. ,  DEWEY, Charles H. ,  SWADI, Shantanu N. ,  FRIEDL, Walter E. ,  POTTER, Christopher Kang ,  FAIRWEATHER, Alan

    IPC: E21B29/00 ,  E21B23/00 ,  E21B41/00

    CPC classification number: E21B29/002 ,  E21B4/02 ,  E21B10/42 ,  E21B10/60

    Abstract: Milling systems, tools, and methods include using a mill with secondary attrition system to re-mill cuttings and other debris away from the face of the mill. The secondary attrition system may be located uphole of the mill may be used to stage conditioning and re-sizing of debris. After debris is generated by the mill, the secondary attrition system may re-mill the debris to a finer size before allowing the debris to pass out of the sleeve. The debris may be re-milled by secondary cutting elements while within an annular gap positioned radially between the sleeve and a drive shaft for the mill. The annular gap may have a variable width as a result of a tapered outer surface of the drive shaft and/or a tapered inner surface of the sleeve. The variable width may cause debris to be re-milled into increasingly finer sizes.

    Abstract translation: 铣削系统，工具和方法包括使用具有二次磨耗系统的磨机将切屑和其他碎屑再次从磨机的表面重新磨碎。 二次磨损系统可以位于磨机的孔中，可用于阶段调节和重新调整碎屑。 在磨机产生碎屑之后，二次磨耗系统可以在使碎屑从套筒中流出之前将碎屑重新磨碎至更细的尺寸。 碎屑可以通过二次切割元件重新研磨，同时位于径向位于套筒和用于研磨机的驱动轴之间的环形间隙中。 由于驱动轴的锥形外表面和/或套筒的锥形内表面，环形间隙可能具有可变的宽度。 可变宽度可能会使碎屑重新磨成越来越细的尺寸。

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