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公开(公告)号：US07416035B2
公开(公告)日：2008-08-26
申请号：US10917229
申请日：2004-08-12
IPC分类号： E21B10/16
CPC分类号： E21B10/16
摘要： A shaped insert that includes a top portion, and a grip length, wherein the grip length is modified to have a non-uniform cross sectional area is disclosed. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is modified such that the insert is non-cylindrical. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is coated in a non-uniform manner.
摘要翻译： 公开了一种成形插入件，其包括顶部和握持部分长度，其中把持长度被修改为具有不均匀的横截面面积。 在另一种情况下，成形插入件包括顶部部分和握持部分长度，其中握持部分长度被修改为使得插入件是非圆柱形的。 在另一种情况下，成形插入件包括顶部部分和握持部分长度，其中握持部分长度以不均匀的方式被涂覆。
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公开(公告)号：US20050077090A1
公开(公告)日：2005-04-14
申请号：US10917231
申请日：2004-08-12
IPC分类号： B05D3/00 , B23P15/28 , C23C4/06 , C23C4/10 , C23C4/12 , C23C24/08 , E21B10/08 , E21B10/22 , E21B10/46 , E21B10/50 , E21B10/00
CPC分类号： E21B10/50 , C23C24/085
摘要： A method for applying a wear-resistant material to a rock bit is disclosed that includes depositing a coating on a selected area of the rock bit, applying a heated wear-resistant material using a laser assisted cladding apparatus to a selected portion of the rock bit, wherein the coating is selected to have material properties to prevent significant bonding between the heated wear-resistant material and the coated area of the rock bit.
摘要翻译： 公开了一种将耐磨材料施加到岩石钻头的方法，其包括在岩石钻头的选定区域上沉积涂层，使用激光辅助包覆设备将加热的耐磨材料施加到岩石钻头的选定部分 ，其中所述涂层被选择为具有材料性质以防止所述加热的耐磨材料和所述岩石钻头的涂覆区域之间的显着结合。
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公开(公告)号：US07303030B2
公开(公告)日：2007-12-04
申请号：US10917855
申请日：2004-08-13
CPC分类号： E21B10/50 , B22F1/025 , B22F7/08 , B22F2005/001 , B23K9/04 , B23K10/027 , B23K26/32 , B23K26/34 , B23K26/342 , B23K35/0255 , B23K35/0261 , B23K35/327 , B23K2103/50 , C22C29/08 , C23C30/005
摘要： A hardfacing composition for a drill bit includes a carbide phase made from carbide particles having a barrier coating disposed thereon, and binder alloy. Also, a drill bit includes a steel bit body having hardfacing thereon and having at least one blade thereon, at least one cutter pocket disposed on the blade, at least one cutter disposed in the cutter pocket; and hardfacing applied to at least composition that includes a carbide phase formed from carbide particles having a barrier coating disposed thereon; and a binder alloy.
摘要翻译： 用于钻头的表面硬化组合物包括由其上设置有阻挡涂层的碳化物颗粒和粘合剂合金制成的碳化物相。 此外，钻头包括在其上具有硬表面并且在其上具有至少一个刀片的钢钻头体，设置在刀片上的至少一个切割器凹槽，设置在切割器凹槽中的至少一个切割器; 并且将硬化施加到钻头的至少一部分选择部分，所述耐磨表面形成有表面硬化组合物，所述硬化组合物包括由其上设置有阻挡涂层的碳化物颗粒形成的碳化物相; 和粘合剂合金。
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公开(公告)号：US20050067196A1
公开(公告)日：2005-03-31
申请号：US10917229
申请日：2004-08-12
IPC分类号： E21B10/16
CPC分类号： E21B10/16
摘要： A shaped insert that includes a top portion, and a grip length, wherein the grip length is modified to have a non-uniform cross sectional area is disclosed. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is modified such that the insert is non-cylindrical. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is coated in a non-uniform manner.
摘要翻译： 公开了一种成形插入件，其包括顶部和握持部分长度，其中把持长度被修改为具有不均匀的横截面面积。 在另一种情况下，成形插入件包括顶部部分和握持部分长度，其中握持部分长度被修改为使得插入件是非圆柱形的。 在另一种情况下，成形插入件包括顶部部分和握持部分长度，其中握持部分长度以不均匀的方式被涂覆。
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公开(公告)号：US20070000699A1
公开(公告)日：2007-01-04
申请号：US11478559
申请日：2006-06-29
IPC分类号： E21B10/36
CPC分类号： E21B10/56 , C23C30/005
摘要： A cutting tool that includes at least one tungsten carbide cutting element disposed on a support, wherein at least one tungsten carbide cutting element has at least one localized region having a material property different from the remaining region, wherein the at least one localized region having a different material property is prepared by a method including determining at least one localized region needing a variation in a material property different from the remaining region; coating a portion of a surface of the at least one tungsten carbide cutting element with a refractory material such that a surface corresponding to the localized region is left uncoated; and treating the coated cutting element with a selected agent to diffuse the selected agent into the localized region is disclosed.
摘要翻译： 一种切削工具，其包括设置在支撑件上的至少一个碳化钨切割元件，其中至少一个碳化钨切割元件具有至少一个具有不同于其余区域的材料性质的局部区域，其中所述至少一个局部区域具有 通过包括确定需要不同于剩余区域的材料性质的变化的至少一个局部区域的方法来制备不同的材料性质; 用耐火材料涂覆所述至少一个碳化钨切割元件的表面的一部分，使得对应于所述局部区域的表面不被涂覆; 并且公开了用所选择的试剂处理涂覆的切割元件以将所选择的试剂扩散到局部区域中。
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公开(公告)号：US20070000698A1
公开(公告)日：2007-01-04
申请号：US11478363
申请日：2006-06-29
IPC分类号： E21B10/00
摘要： A drill bit including a bit body having an upper end adapted to be detachably secured to a drill string and at least one leg at its lower end, each leg having a downwardly and inwardly extending journal bearing, at least one roller cone mounted on each journal bearing, at least one cutting element disposed on the at least one roller cone; and a hardfacing overlay on at least a portion of at least one of an inner surface of the at least one roller cone and a surface of the journal bearing, wherein a composition of the hardfacing overlay proximate an outside surface of the hardfacing overlay is different from a composition of the hardfacing overlay proximate an interface between the hardfacing overlay and the at least a portion of at least one of the inner surface of the at least one roller cone and the surface of the journal bearing is disclosed.
摘要翻译： 一种钻头，包括具有适于可拆卸地固定到钻柱的上端的钻头体及其下端处的至少一个支腿，每个支腿具有向下且向内延伸的轴颈轴承，安装在每个轴颈上的至少一个滚子圆锥 至少一个切割元件设置在所述至少一个辊锥体上; 以及在所述至少一个辊锥体的内表面和所述轴颈轴承的表面中的至少一个的至少一部分上的表面覆盖层，其中所述表面覆盖层的紧贴所述表面覆盖层的外表面的组合物不同于 公开了紧固覆盖层与至少一个辊锥体的内表面和轴颈轴承的表面的至少一个部分之间的界面附近的表面覆盖层的组合物。
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公开(公告)号：US20070032173A1
公开(公告)日：2007-02-08
申请号：US11197119
申请日：2005-08-04
CPC分类号： B24B31/104
摘要： A method for manufacturing drill bit inserts in which the inserts are finished in a centrifugal disc finishing machine. The centrifugal disc finishing machine comprises a configured surface rotating relative to a stationary receptacle, and the inserts may be finished with a mass of materials comprising at least one of a group of media, parts, detergent, and solution. Also, a method of increasing drill bit insert performance comprising accelerating a plurality of inserts in a high-energy finishing machine, wherein the acceleration results in a generally toroidal interaction between the inserts and at least one of the group comprising media, parts, detergent, and solution.
摘要翻译： 一种用于制造钻头刀片的方法，其中刀片在离心盘精加工机中完成。 离心盘整理机包括相对于固定容器旋转的配置表面，并且插入件可以用包含一组介质，部件，洗涤剂和溶液中的至少一种的材料制成。 而且，增加钻头刀片性能的方法包括加速高能精加工机中的多个刀片，其中加速度导致插入件和包括介质，部件，洗涤剂的组中的至少一个组件之间的大致环形相互作用， 和解决方案。
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