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1. 发明申请

WO2010053736A3 HIGH PRESSURE SINTERING WITH CARBON ADDITIVES 审中-公开
公开(公告)号：WO2010053736A3
公开(公告)日：2010-05-14
申请号：PCT/US2009/062060
申请日：2009-10-26
申请人： SMITH INTERNATIONAL, INC. , YONG, Zhou , XIA, Sike , STEWART, Michael , VISINTAINER, Carlo
发明人： YONG, Zhou , XIA, Sike , STEWART, Michael , VISINTAINER, Carlo
IPC分类号： E21B10/46 , E21B10/50 , B22F7/08
摘要： A method for forming a cutting element that includes sintering a mixture comprising carbide particles, a sp 2 -containing or sp 2 -convertible carbon additive, and a metallic binder at a first processing condition having a pressure of greater than about 100,000 psi to form a sintered object is disclosed. A method for forming a cutting element that includes sintering a mixture comprising diamond particles and a sp 2 - containing carbon additive at a first processing condition having a pressure of greater than about 100,000 psi to form a polycrystalline diamond layer is also disclosed, as well as cutting elements having diamond grains non-uniformly distributed therethrough.

2. 发明申请

WO2010129507A3 ROLLER CONES, METHODS OF MANUFACTURING SUCH ROLLER CONES, AND DRILL BITS INCORPORATING SUCH ROLLER CONES 审中-公开
标题翻译：滚子锥体，制造这种滚子锥体的方法，以及包括这种滚子锥体的钻头
公开(公告)号：WO2010129507A3
公开(公告)日：2010-11-11
申请号：PCT/US2010/033483
申请日：2010-05-04
申请人： SMITH INTERNATIONAL, INC. , YONG, Zhou , XIA, Sike
发明人： YONG, Zhou , XIA, Sike
IPC分类号： E21B10/50 , E21B10/08 , E21B10/16
摘要： A roller cone drill bit having a layer of wear resistant material applied thereon utilizing a thermal spray process and methods of manufacturing such drill bits.
摘要翻译：使用热喷涂工艺在其上施加耐磨材料层的牙轮钻头以及制造这种钻头的方法

3. 发明申请

WO2010108178A1 HARDFACING COMPOSITIONS, METHODS OF APPLYING THE HARDFACING COMPOSITIONS, AND TOOLS USING SUCH HARDFACING COMPOSITIONS 审中-公开
标题翻译：硬化组合物，应用硬化组合物的方法以及使用这种硬化组合物的工具
公开(公告)号：WO2010108178A1
公开(公告)日：2010-09-23
申请号：PCT/US2010/028154
申请日：2010-03-22
申请人： SMITH INTERNATIONAL, INC. , XIA, Sike , YONG, Zhou
发明人： XIA, Sike , YONG, Zhou
IPC分类号： E21B10/50 , C22C29/08
CPC分类号： E21B10/50 , B22F2005/001 , C22C29/005 , C22C29/08
摘要： A hardfacing composition comprising an iron-based binder alloy; and a carbide phase comprising a sintered carbide and a cast tungsten carbide, wherein the cast carbide is present in a quantity of at least 22 % by weight, based on the total weight of the carbide phase, and the cast carbide comprises particles having sizes in the range of from 30 to 60 mesh. Also provided is a hardfacing composition comprising an iron-based binder alloy; and a carbide phase comprising a super dense sintered carbide and one or more additional carbide materials, wherein the super dense sintered carbide is present in a quantity of at least 10 percent by weight (%w), based on the total weight of the carbide phase, and comprises particles having sizes in the range of from 16 to 40 mesh. Included are methods of manufacturing such hardfacing compositions and downhole tools having such improved hardfacing compositions applied thereon.
摘要翻译：包含铁基粘合剂合金的表面硬化组合物; 以及包含烧结碳化物和铸造碳化钨的碳化物相，其中所述铸碳化物以基于所述碳化物相的总重量为至少22重量％的量存在，并且所述铸造碳化物包括具有范围从30到60目。还提供了包含铁基粘合剂合金的硬化组合物; 以及包含超密度烧结碳化物和一种或多种另外的碳化物材料的碳化物相，其中所述超致密烧结碳化物以基于碳化物相的总重量的至少10重量％（％w）的量存在，并且包含尺寸在16至40目范围内的颗粒。包括制造这种表面硬化组合物的方法以及应用于其上的这种改进的耐硬化组合物的井下工具。

4. 发明申请

WO2012064957A3 LOCALIZED FEATURES AND MANUFACTURING METHODS FOR INSERTS OF ROCK BITS 审中-公开
公开(公告)号：WO2012064957A3
公开(公告)日：2012-05-18
申请号：PCT/US2011/060188
申请日：2011-11-10
申请人： SMITH INTERNATIONAL, INC. , YONG, Zhou , XIA, Sike , XU, Jianhui
发明人： YONG, Zhou , XIA, Sike , XU, Jianhui
IPC分类号： E21B10/52 , B24D3/00 , B22F7/06
摘要： An insert for a drill bit and method of making an insert is disclosed herein. An insert has a grip region, a cutting extension having a cutting surface, and at least one implant embedded in the cutting extension, wherein the cutting extension comprises a first carbide material and the implant comprises a second carbide material, and wherein the second carbide material has a hardness that is greater than the first carbide material.

5. 发明申请

WO2006023851A1 METHOD OF DESIGNING AND DRILLING SYSTEMS MADE USING ROCK MECHANICS MODELS 审中-公开
标题翻译：使用岩石力学模型制造和钻孔系统的方法
公开(公告)号：WO2006023851A1
公开(公告)日：2006-03-02
申请号：PCT/US2005/029779
申请日：2005-08-19
申请人： SMITH INTERNATIONAL, INC. , YONG, Zhou , HUANG, Sujian
发明人： YONG, Zhou , HUANG, Sujian
IPC分类号： E21B41/00 , E21B10/00
CPC分类号： E21B44/00 , E21B10/00
摘要： A method for designing a drilling tool or drilling assembly and a drilling tool or drilling assembly made according to the method is provided by simulating, in an earth formation, a rock mechanics effect of the drilling tool or the drilling assembly drilling in the earth formation, graphically displaying to a design engineer the rock mechanics effect of the drilling tool or the drilling assembly drilling in the earth formation, adjusting a value of a design parameter for the drilling tool or drilling assembly, and repeating the simulating and graphically displaying to the design engineer for observing any change in the rock mechanics effect caused by adjusting the value of the design parameter.
摘要翻译：根据该方法制造的钻孔工具或钻孔组件以及钻孔工具或钻孔组件的设计方法是通过在地层中模拟钻井工具或钻井组件在地层钻井中的岩石力学效应而提供的，向设计工程师图形显示钻井工具或钻井组件在地层钻井中的岩石力学效应，调整钻孔工具或钻孔组件的设计参数值，并重复向设计工程师进行模拟和图形显示用于观察通过调整设计参数值引起的岩石力学效应的任何变化。

6. 发明申请

WO2013059374A1 DRILL BITS HAVING ROTATING CUTTING STRUCTURES THEREON 审中-公开
标题翻译：具有旋转切割结构的钻头
公开(公告)号：WO2013059374A1
公开(公告)日：2013-04-25
申请号：PCT/US2012/060687
申请日：2012-10-17
申请人： SMITH INTERNATIONAL INC.
发明人： YONG, Zhou , WU, Jian
IPC分类号： E21B10/08 , E21B10/14
CPC分类号： E21B10/14 , E21B10/22 , E21B10/25 , E21B10/26 , E21B10/46 , E21B10/52 , E21B10/627
摘要： A drill bit may include a bit body rotatable about a longitudinal axis and having, at one end, a connection for securing the drill bit to a drill string and having a face opposite the connection end; and a plurality of cutting structures having at least one fixed cutting structure disposed on the bit body face and at least one cutting body rotatably attached to the face of the bit body; wherein, in a rotated view of the plurality of cutting structures into a single plane, there is substantially no radial overlap between at least one fixed cutting structure and the at least one cutting body.
摘要翻译：钻头可以包括可围绕纵向轴线旋转的钻头体，并且在一端具有用于将钻头固定到钻柱并具有与连接端相对的面的连接件; 以及多个切割结构，其具有设置在钻头体面上的至少一个固定切割结构和可旋转地附接到钻头体的表面的至少一个切割体; 其中，在所述多个切割结构旋转到单个平面中的旋转视图中，至少一个固定切割结构与所述至少一个切割体之间基本上不存在径向重叠。

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