Back reaming tool
    21.
    发明授权
    Back reaming tool 失效
    后扩孔工具

    公开(公告)号:US06729418B2

    公开(公告)日:2004-05-04

    申请号:US10075052

    申请日:2002-02-12

    IPC分类号: E21B922

    CPC分类号: E21B10/28

    摘要: A back reaming tool is disclosed which includes a tool body adapted to be coupled to a drill string, and at least one roller cone rotatably mounted to a leg and having cutting elements disposed thereon. The leg is removably coupled to the tool body. The at least one roller cone is open at only one axial end thereof.

    摘要翻译: 公开了一种后铰孔工具,其包括适于联接到钻柱的工具主体,以及至少一个可旋转地安装到腿上并具有设置在其上的切割元件的滚子锥体。 腿可拆卸地联接到工具主体。 至少一个滚子锥体在其一个轴向端处是开放的。

    DEEP LEACH PRESSURE VESSEL FOR SHEAR CUTTERS
    23.
    发明申请
    DEEP LEACH PRESSURE VESSEL FOR SHEAR CUTTERS 有权
    深切切割机的深层压力容器

    公开(公告)号:US20120227332A1

    公开(公告)日:2012-09-13

    申请号:US13409938

    申请日:2012-03-01

    IPC分类号: B24D18/00 B01J19/00

    摘要: A system for producing thermally stable cutting elements may include a heat source, a pressure vessel, at least one polycrystalline diamond body attached to a carbide substrate, and a leaching agent is disclosed, wherein the heat source includes a container comprising at least one receiving mechanism and at least one retention mechanism, and wherein the carbide substrate is disposed in the at least one receiving mechanism of the pressure vessel, and wherein the leaching agent is disposed in the pressure vessel, and wherein the leaching agent removes the catalyzing material from the interstitial spaces interposed between the diamond particles of the at least one polycrystalline diamond body, and wherein the at least one retention mechanism of the pressure vessel seals at least a portion of the carbide substrate into the at least one receiving mechanism and prevents the leaching agent from contacting at least a portion of the carbide substrate.

    摘要翻译: 公开了一种用于生产热稳定的切割元件的系统,其包括热源,压力容器,连接到碳化物基底的至少一个多晶金刚石体和浸出剂,其中所述热源包括容器,所述容器包括至少一个接收机构 以及至少一个保持机构,并且其中所述碳化物基底设置在所述压力容器的所述至少一个接收机构中,并且其中所述浸出剂设置在所述压力容器中,并且其中所述浸出剂从所述间隙中除去所述催化材料 介于所述至少一个多晶金刚石体的所述金刚石颗粒之间的空间,并且其中所述压力容器的所述至少一个保持机构将所述碳化物衬底的至少一部分密封到所述至少一个接收机构中并防止所述浸出剂接触 至少一部分碳化物衬底。

    POLYCRYSTALLINE DIAMOND CUTTING ELEMENT STRUCTURE
    24.
    发明申请
    POLYCRYSTALLINE DIAMOND CUTTING ELEMENT STRUCTURE 有权
    多晶金刚石切割元件结构

    公开(公告)号:US20110132668A1

    公开(公告)日:2011-06-09

    申请号:US12963088

    申请日:2010-12-08

    IPC分类号: E21B10/36

    摘要: A cutting element may include a substrate having an interface surface; an ultrahard material layer disposed on the interface surface; and the interface surface comprising a plurality of surface features, wherein at least one of the plurality of surface features intersects a neighboring surface feature at a height that is intermediate an extremity of the at least one of the plurality of surface features and a base of the at least one of the plurality of surface features.

    摘要翻译: 切割元件可以包括具有界面表面的基底; 设置在界面表面上的超硬材料层; 并且所述界面表面包括多个表面特征,其中所述多个表面特征中的至少一个与所述多个表面特征中的所述至少一个表面特征的末端之间的高度相邻的相邻表面特征相交, 所述多个表面特征中的至少一个。

    Rock drill bit with back-reaming protection
    25.
    发明授权
    Rock drill bit with back-reaming protection 失效
    岩石钻头采用背面扩孔保护

    公开(公告)号:US6116357A

    公开(公告)日:2000-09-12

    申请号:US925700

    申请日:1997-09-09

    摘要: A drill bit for boring a bore hole in an earthen formation comprises: a bit body having a pin end, a cutting end and a longitudinal bit axis and including at least two legs extending from the cutting end, each of the legs including a bearing that rotatably supports a cutter cone. The bit body further includes a fluid flow system, including a flowway in said pin end that is in fluid communication with at least one exit port in the cutting end, the exit port being defined by a nozzle boss and disposed adjacent one of the legs. Each of the legs includes a leading side surface, a trailing side surface, and a center panel, and at least one of said legs is asymmetric such that its trailing side surface is larger than its leading side surface. The present bit can also include a lubricant system that has its opening in the trailing side of the leg, and can further include various wear resistant coatings and inserts on its surface.

    摘要翻译: 一种用于在土层中钻孔的钻头包括:具有销端,切割端和纵向钻头轴线并且包括从切割端延伸的至少两个腿的钻头体,每个腿包括轴承,所述轴承包括: 可旋转地支撑切割锥。 钻头体还包括流体流动系统,该流体流动系统包括在所述销端中的与所述切割端中的至少一个出口端口流体连通的流道,所述出口由喷嘴凸台限定并且邻近所述支腿设置。 每个腿包括前侧表面,后侧表面和中心面板,并且所述腿中的至少一个是不对称的,使得其后侧表面大于其前侧表面。 现在的位还可以包括在腿的后侧具有开口的润滑剂系统,并且还可以在其表面上包括各种耐磨涂层和插入物。

    Hybrid disc bit with optimized PDC cutter placement
    26.
    发明授权
    Hybrid disc bit with optimized PDC cutter placement 有权
    具有优化的PDC刀具放置的混合盘片钻头

    公开(公告)号:US09574405B2

    公开(公告)日:2017-02-21

    申请号:US11232434

    申请日:2005-09-21

    IPC分类号: E21B10/12 E21B10/16

    CPC分类号: E21B10/12 E21B10/16

    摘要: The invention provides an improved drill bit and a method for designing thereof. The drill bit includes a bit body, a journal depending from the bit body, and a disc rotatably mounted on the journal. The disc of the drill bit has PDC cutting elements disposed on it. Also provided is an improved cutting structure for the discs of the drill bit. The cutting structure includes a portion that is comprised from PDC.

    摘要翻译: 本发明提供了一种改进的钻头及其设计方法。 钻头包括钻头本体,从钻头体悬垂的轴颈以及可旋转地安装在轴颈上的圆盘。 钻头的盘具有设置在其上的PDC切割元件。 还提供了用于钻头的盘的改进的切割结构。 切割结构包括由PDC组成的部分。

    Deep leach pressure vessel for shear cutters
    28.
    发明授权
    Deep leach pressure vessel for shear cutters 有权
    用于剪切机的深浸压力容器

    公开(公告)号:US08932377B2

    公开(公告)日:2015-01-13

    申请号:US13409938

    申请日:2012-03-01

    摘要: A system for producing thermally stable cutting elements may include a heat source, a pressure vessel, at least one polycrystalline diamond body attached to a carbide substrate, and a leaching agent is disclosed, wherein the heat source includes a container comprising at least one receiving mechanism and at least one retention mechanism, and wherein the carbide substrate is disposed in the at least one receiving mechanism of the pressure vessel, and wherein the leaching agent is disposed in the pressure vessel, and wherein the leaching agent removes the catalyzing material from the interstitial spaces interposed between the diamond particles of the at least one polycrystalline diamond body, and wherein the at least one retention mechanism of the pressure vessel seals at least a portion of the carbide substrate into the at least one receiving mechanism and prevents the leaching agent from contacting at least a portion of the carbide substrate.

    摘要翻译: 公开了一种用于生产热稳定的切割元件的系统,其包括热源,压力容器,连接到碳化物基底的至少一个多晶金刚石体和浸出剂,其中所述热源包括容器,所述容器包括至少一个接收机构 以及至少一个保持机构,并且其中所述碳化物基底设置在所述压力容器的所述至少一个接收机构中,并且其中所述浸出剂设置在所述压力容器中,并且其中所述浸出剂从所述间隙中除去所述催化材料 介于所述至少一个多晶金刚石体的所述金刚石颗粒之间的空间,并且其中所述压力容器的所述至少一个保持机构将所述碳化物衬底的至少一部分密封到所述至少一个接收机构中并防止所述浸出剂接触 至少一部分碳化物衬底。

    Techniques and materials for the accelerated removal of catalyst material from diamond bodies
    29.
    发明授权
    Techniques and materials for the accelerated removal of catalyst material from diamond bodies 失效
    用于从金刚石体加速除去催化剂材料的技术和材料

    公开(公告)号:US08535400B2

    公开(公告)日:2013-09-17

    申请号:US12581639

    申请日:2009-10-19

    IPC分类号: B24D11/00 B24D99/00 C09C1/44

    摘要: A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mixture is substantially free of the metal material and is a thermally stable diamond body.

    摘要翻译: 制造热稳定切割元件的方法可以包括通过组合酸溶液和至少一种酸形成化合物形成含有两种不同酸物质的酸混合物,其中所述至少一种酸形成化合物以固体形式提供,以及 其中所述至少一种酸形成化合物产生不同于酸溶液的酸; 通过将烧结金刚石体置于酸混合物中来处理烧结金刚石体的至少一部分,其中所述烧结金刚石体包括:接合在一起的金刚石晶粒的基体相; 分散在基质相中的多个间隙区域; 以及设置在多个间隙区域内的金属材料; 其中所述处理从所述多个间隙区域的至少一部分去除所述金属材料; 以及在预定的时间长度之后从所述酸混合物中除去所述烧结金刚石体,其中从所述酸混合物中除去的所述金刚石体的至少一部分基本上不含所述金属材料,并且是热稳定的金刚石体。