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公开(公告)号：US20110192652A1
公开(公告)日：2011-08-11
申请号：US13024133
申请日：2011-02-09
申请人： Yuelin Shen , Youhe Zhang , Jibin Shi , Yuri Burhan , Gregory T. Lockwood
发明人： Yuelin Shen , Youhe Zhang , Jibin Shi , Yuri Burhan , Gregory T. Lockwood
CPC分类号： E21B10/5735 , B22F2005/001 , C22C26/00 , C22C29/08
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
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公开(公告)号：US20100116557A1
公开(公告)日：2010-05-13
申请号：US12621402
申请日：2009-11-18
申请人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
发明人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
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。
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公开(公告)号：US08702825B2
公开(公告)日：2014-04-22
申请号：US13024133
申请日：2011-02-09
申请人： Yuelin Shen , Youhe Zhang , Jibin Shi , Yuri Burhan , Gregory T. Lockwood
发明人： Yuelin Shen , Youhe Zhang , Jibin Shi , Yuri Burhan , Gregory T. Lockwood
IPC分类号： B24D18/00
CPC分类号： E21B10/5735 , B22F2005/001 , C22C26/00 , C22C29/08
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
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公开(公告)号：US08925422B2
公开(公告)日：2015-01-06
申请号：US12964827
申请日：2010-12-10
申请人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
发明人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
摘要： A method of manufacturing a drill bit having a bit body and a plurality of blades extending radially from the bit body is disclosed, wherein the method includes adhering a first matrix material to at least a portion of a mold cavity corresponding to an outer surface of the bit body, loading a second matrix material into the other portions of the mold cavity, and heating the mold contents to form a matrix body drill bit.
摘要翻译： 公开了一种制造具有钻头体和从钻头体径向延伸的多个刀片的钻头的方法，其中所述方法包括将第一基体材料粘附到与所述钻头体的外表面相对应的模腔的至少一部分上 将第二基质材料加载到模腔的其它部分中，并加热模具内容物以形成矩阵体钻头。
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公开(公告)号：US08347990B2
公开(公告)日：2013-01-08
申请号：US12621402
申请日：2009-11-18
申请人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
发明人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
IPC分类号： E21B10/42
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。
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公开(公告)号：US20110174114A1
公开(公告)日：2011-07-21
申请号：US12964827
申请日：2010-12-10
申请人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
发明人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
IPC分类号： B23P17/00
摘要： A method of manufacturing a drill bit having a bit body and a plurality of blades extending radially from the bit body is disclosed, wherein the method includes adhering a first matrix material to at least a portion of a mold cavity corresponding to an outer surface of the bit body, loading a second matrix material into the other portions of the mold cavity, and heating the mold contents to form a matrix body drill bit.
摘要翻译： 公开了一种制造具有钻头体和从钻头体径向延伸的多个刀片的钻头的方法，其中所述方法包括将第一基体材料粘附到与所述钻头体的外表面相对应的模腔的至少一部分上 将第二基质材料加载到模腔的其它部分中，并加热模具内容物以形成矩阵体钻头。
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7.发明授权Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools 有权切割机组件，包括这种切割器组件的井下工具以及制造这种井下工具的方法公开(公告)号：US08727043B2
公开(公告)日：2014-05-20
申请号：US12814189
申请日：2010-06-11
申请人： Youhe Zhang , Yuelin Shen , Yuri Burhan , Gregory T. Lockwood
发明人： Youhe Zhang , Yuelin Shen , Yuri Burhan , Gregory T. Lockwood
IPC分类号： E21B10/567 , E21B10/42 , E21B10/633 , E21B10/573
CPC分类号： E21B10/567 , B23P15/28 , E21B10/52 , E21B10/573 , E21B10/633
摘要： Cutter assemblies comprising an outer support element and a cutting element disposed therein. The cutting element is immovably attached to the outer support element. Also provided are downhole tools incorporating such cutter assemblies and methods of making such downhole tools.
摘要翻译： 切割器组件包括外部支撑元件和设置在其中的切割元件。 切割元件不可移动地附接到外部支撑元件。 还提供了包括这种切割器组件的井下工具以及制造这种井下工具的方法。
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公开(公告)号：US07878275B2
公开(公告)日：2011-02-01
申请号：US12121575
申请日：2008-05-15
申请人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
发明人： Gregory T. Lockwood , Youhe Zhang , Yuelin Shen
IPC分类号： E21B10/42
摘要： A drill bit that includes 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; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades is disclosed.
摘要翻译： 一种钻头，其包括具有从其径向延伸的多个叶片的钻头体，所述钻头体包括第一矩阵区域和第二矩阵区域，其中所述第一矩阵区域由可模制的基体材料形成; 并且公开了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。
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公开(公告)号：US20090283333A1
公开(公告)日：2009-11-19
申请号：US12121575
申请日：2008-05-15
申请人： Gregory T. LOCKWOOD , Youhe Zhang , Yuelin Shen
发明人： Gregory T. LOCKWOOD , Youhe Zhang , Yuelin Shen
IPC分类号： E21B10/60
摘要： A drill bit that includes 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; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades is disclosed.
摘要翻译： 一种钻头，其包括具有从其径向延伸的多个叶片的钻头体，所述钻头体包括第一矩阵区域和第二矩阵区域，其中所述第一矩阵区域由可模制的基体材料形成; 并且公开了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。
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公开(公告)号：USRE45748E1
公开(公告)日：2015-10-13
申请号：US14180121
申请日：2014-02-13
申请人： Youhe Zhang , Yuelin Shen
发明人： Youhe Zhang , Yuelin Shen
IPC分类号： E21B10/55 , E21B10/567 , E21B10/573
CPC分类号： E21B10/5673 , E21B10/55 , E21B10/5735
摘要： A cutter for a fixed cutter drill bit including a substrate and an ultrahard material layer disposed on an end surface of the substrate, the ultra hard material layer having an upper surface opposite the substrate end surface and a peripheral surface such that the upper surface intersects the peripheral surface along a peripheral edge. The peripheral edge continuously increases and decreases in height as measured from a plane perpendicular to a longitudinal axis of the cutter.
摘要翻译： 一种用于固定切割钻头的切割器，其包括设置在所述基板的端面上的基板和超硬材料层，所述超硬材料层具有与所述基板端面相对的上表面和周面，使得所述上表面与所述 圆周表面沿周边边缘。 从垂直于切割器的纵向轴线的平面测量，周边边缘连续地增加和降低高度。
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