公开(公告)号：US20100326741A1

公开(公告)日：2010-12-30

申请号：US12493640

申请日：2009-06-29

申请人： Suresh G. Patel

发明人： Suresh G. Patel

IPC分类号： E21B10/26 ,  C09K3/14

CPC分类号： E21B10/46 ,  B24D18/00 ,  B24D99/005 ,  E21B10/5673 ,  E21B10/573 ,  Y10T156/10

摘要： A superabrasive cutter including a superabrasive table having a cutting face in non-perpendicular orientation with respect to a longitudinal axis of the cutter. A superabrasive cutter having a cutting face of a superabrasive table in non-parallel orientation to a back surface thereof.

摘要翻译： 一种超级磨料刀具，其包括具有相对于切割器的纵向轴线以非垂直取向的切割面的超级磨料台。 一种超研磨刀具，其具有与其后表面非平行取向的超级磨料台的切割面。

公开(公告)号：US07770671B2

公开(公告)日：2010-08-10

申请号：US12245632

申请日：2008-10-03

申请人： Suresh G. Patel

发明人： Suresh G. Patel

IPC分类号： E21B10/18

CPC分类号： E21B10/61

摘要： An earth boring drill bit having a cleaning nozzle for cleaning cutting elements on the face of the drill bit. A notch is included on the nozzle face for directing an elongated and coherent fluid flow from the nozzle outlet to the cutting element face. The nozzle face may include more than one notch for cleaning elements disposed in locations around the nozzle. The nozzle may be at the ends of a row of cutting elements, or disposed in the middle of a row of cutting elements.

摘要翻译： 一种钻孔钻头，具有用于清洁钻头表面上的切割元件的清洁喷嘴。 在喷嘴面上包括一个凹口，用于将细长且相干的流体流从喷嘴出口引导到切割元件面。 喷嘴面可以包括多于一个用于清洁设置在喷嘴周围的部件的元件的凹口。 喷嘴可以在一排切割元件的端部处，或者设置在一排切割元件的中间。

公开(公告)号：US09145603B2

公开(公告)日：2015-09-29

申请号：US13617604

申请日：2012-09-14

申请人： Chaitanya K. Vempati ,  Suresh G. Patel

发明人： Chaitanya K. Vempati ,  Suresh G. Patel

IPC分类号： E21B10/46 ,  C23C16/04 ,  E21B10/573 ,  C23C16/27 ,  C23C16/32 ,  C23C16/34 ,  C23C16/50 ,  C23C16/56

CPC分类号： E21B10/567 ,  C22C2204/00 ,  C23C16/042 ,  C23C16/045 ,  C23C16/27 ,  C23C16/32 ,  C23C16/342 ,  C23C16/50 ,  C23C16/56 ,  E21B10/5673 ,  E21B10/5735

摘要： Methods of attaching a polycrystalline diamond compact (PDC) element to a substrate include maintaining a gap between the PDC element and an adjacent substrate, and at least substantially filling the gap with a deposition process. Methods of forming a cutting element for an earth-boring tool include forming a PDC element by pressing diamond crystals together, forming a substrate including a particulate carbide material and a matrix material, leaving a gap between at least portions of the PDC element and the substrate, masking surfaces of the PDC element and of the substrate that do not face the gap, and forming an adhesion material on surfaces of the PDC element and of the substrate that face the gap. Cutting elements for earth-boring tools include a PDC element attached to a substrate with at least one of diamond, diamond-like carbon, a carbide material, a nitride material, and a cubic boron nitride material.

摘要翻译： 将多晶金刚石致密体（PDC）元件附接到衬底的方法包括保持PDC元件和相邻衬底之间的间隙，并且至少基本上用沉积工艺填充间隙。 形成用于钻孔工具的切割元件的方法包括通过将金刚石晶体压在一起形成PDC元件，形成包括颗粒碳化物材料和基体材料的基板，在PDC元件和基板的至少部分之间留下间隙 ，PDC元件和不与间隙对置的基板的掩模表面，并且在PDC元件和与该间隙相对的基板的表面上形成粘合材料。 用于钻孔工具的切割元件包括附接到具有金刚石，类金刚石碳，碳化物材料，氮化物材料和立方氮化硼材料中的至少一种的基板上的PDC元件。

公开(公告)号：US09115554B2

公开(公告)日：2015-08-25

申请号：US13299914

申请日：2011-11-18

申请人： Chaitanya K. Vempati ,  Timothy K. Marvel ,  Suresh G. Patel

发明人： Chaitanya K. Vempati ,  Timothy K. Marvel ,  Suresh G. Patel

IPC分类号： E21B10/62 ,  E21B10/00 ,  E21B12/02 ,  E21B10/627 ,  E21B10/633

CPC分类号： E21B10/633 ,  B23K31/025 ,  B23P15/28 ,  B24D3/06 ,  B28B23/005 ,  E21B10/006 ,  E21B10/62 ,  E21B10/627 ,  E21B12/02 ,  E21B2010/624 ,  Y10T29/49734 ,  Y10T29/49741 ,  Y10T29/49742 ,  Y10T29/49744 ,  Y10T29/49746

摘要： Earth-boring tools include a body and one or more replaceable cutting structures attached to the body at a face region of the body. Each replaceable cutting structure includes an attachment member and a cutting portion located to engage an earth formation. Methods of forming an earth-boring tool involve attaching one or more cutting elements to a replaceable cutting structure; positioning the replaceable cutting structure proximate a region of a body of an earth-boring tool that is susceptible to at least one of localized wear and localized impact damage; and attaching the replaceable cutting structure to the body. Methods of repairing an earth-boring tool involve bringing a replaceable cutting structure proximate at least one portion of a body of an earth-boring tool exhibiting at least one of localized wear and localized impact damage; and attaching the replaceable cutting structure to the earth-boring tool at the at least one portion.

摘要翻译： 钻孔工具包括主体和在身体的面部区域处附接到身体的一个或多个可替换的切割结构。 每个可替换的切割结构包括附接构件和定位成接合地层的切割部分。 形成钻孔工具的方法包括将一个或多个切割元件附接到可替换的切割结构; 将可更换的切割结构定位在易受到局部磨损和局部冲击损伤中的至少一种的磨土工具的主体的区域附近; 以及将所述可替换的切割结构附接到所述主体。 修理钻孔工具的方法包括使可更换的切割结构靠近地镗孔工具的主体的至少一部分，其具有局部磨损和局部冲击损伤中的至少一种; 以及在所述至少一个部分处将所述可更换切割结构附接到所述钻孔工具。

公开(公告)号：US20140116788A1

公开(公告)日：2014-05-01

申请号：US13661917

申请日：2012-10-26

申请人： BAKER HUGHES INCORPORATED ,  SURESH G. PATEL ,  CHAITANYA K. VEMPATI ,  JUAN MIGUEL BILEN

发明人： Suresh G. Patel ,  Chaitanya K. Vempati ,  Juan Miguel Bilen

IPC分类号： E21B10/46

CPC分类号： E21B10/567 ,  E21B10/5673 ,  E21B10/573

摘要： Cutting elements for earth-boring tools include a substrate having a front end surface, an opposing back end surface, and at least one side surface extending between the front end surface and the back end surface. A volume of polycrystalline hard material is disposed on the front end surface of the substrate. The substrate and hard material may have a curved or an annular configuration defining an aperture within the cutting element. Earth boring tools include such cutting elements. Methods of forming earth-boring tools include attaching such one or more such cutting elements to a body of an earth-boring tool.

摘要翻译： 用于钻孔工具的切割元件包括具有前端表面，相对的后端表面以及在前端表面和后端表面之间延伸的至少一个侧表面的基底。 多晶硬质材料的体积设置在基板的前端面上。 衬底和硬质材料可以具有限定切割元件内的孔的弯曲或环形构造。 地球钻孔工具包括这种切割元件。 形成钻孔工具的方法包括将这样的一个或多个这样的切割元件附接到钻孔工具的主体。

公开(公告)号：US20120118642A1

公开(公告)日：2012-05-17

申请号：US13356926

申请日：2012-01-24

申请人： Chaitanya K. Vempati ,  Jack T. Oldham ,  Suresh G. Patel ,  Danielle M. Fuselier

发明人： Chaitanya K. Vempati ,  Jack T. Oldham ,  Suresh G. Patel ,  Danielle M. Fuselier

IPC分类号： E21B7/00 ,  B21K5/04

CPC分类号： E21B10/43

摘要： Method of making an earth-boring tool comprise forming a body comprising a face including a plurality of radially extending blades thereon and a cone region, a nose region, and a shoulder region. A plurality of cutting elements may be disposed on the blades at least in the cone region, the nose region, and the shoulder region. Some of the cutting elements may be configured to form kerfing pairs comprising at least two cutting elements disposed on different blades of the plurality of radially extending blades at least substantially at the same radial position from a central axis of the body. At least one of the blades and orientations and exposures of the plurality of cutting elements may be configured so that a summation of a lateral drilling force generated by each cutting element of the plurality of cutting elements is directed toward a lateral side of the body.

摘要翻译： 制作钻孔工具的方法包括形成一个主体，该主体包括一个包括多个径向延伸的刀片的表面和一个锥形区域，鼻部区域和一个肩部区域。 至少在锥形区域，鼻部区域和肩部区域中，可以在刀片上设置多个切割元件。 一些切割元件可被配置成形成切割对，其包括至少两个切割元件，所述至少两个切割元件设置在多个径向延伸的叶片的至少基本上处于与主体的中心轴线相同的径向位置处的多个径向延伸叶片的不同叶片上。 多个切割元件中的刀片和取向和曝光中的至少一个可以被构造成使得由多个切割元件的每个切割元件产生的横向钻井力的总和指向主体的侧面。

公开(公告)号：US08087478B2

公开(公告)日：2012-01-03

申请号：US12478806

申请日：2009-06-05

申请人： Suresh G. Patel

发明人： Suresh G. Patel

IPC分类号： E21B10/16 ,  E21B10/52

CPC分类号： E21B10/5673 ,  E21B2010/566

摘要： A cutting element for a drag-type earth-boring drill bit includes a cutting table with a face including a region that is configured to cut into a formation at a positive back rake angle and to direct formation cuttings, or chips, that have been cut from the earth formation toward the hydraulics of the drill bit. Drill bits may include one or more cutting elements that have been configured in this manner. Such a drill bit may also include a wear pad for limiting the depth to which a cutting element penetrates a surface of a bore hole in an earth formation. Such a wear pad may have a substantially constant thickness.

摘要翻译： 用于拖曳式钻孔钻头的切割元件包括切割台，其具有包括被构造成切割成正后倾角的地层并且引导已经被切割的成形切屑或切屑的区域的面 从地层到钻头的液压。 钻头可以包括已经以这种方式配置的一个或多个切割元件。 这样的钻头还可以包括用于限制切削元件穿透地层中钻孔表面的深度的磨损垫。 这种耐磨垫可以具有基本恒定的厚度。

公开(公告)号：US20110073369A1

公开(公告)日：2011-03-31

申请号：US12892168

申请日：2010-09-28

申请人： Chaitanya K. Vempati ,  Jack T. Oldham ,  Suresh G. Patel ,  Danielle M. Fuselier

发明人： Chaitanya K. Vempati ,  Jack T. Oldham ,  Suresh G. Patel ,  Danielle M. Fuselier

IPC分类号： E21B7/00 ,  E21B10/36 ,  B23P15/28

CPC分类号： E21B10/43

摘要： Earth-boring tools comprise a body having a face at a leading end. A plurality of cutting elements are disposed over the face and configured as a plurality of kerfing pairs comprising two or more cutting elements disposed at substantially the same radial position relative to a bit axis, wherein each of the at least two cutting elements follows substantially the same cutting path when the bit is rotated about its axis. Earth-boring tools are further configured so that a summation of a lateral force generated during drilling by each cutting element of the plurality of cutting elements is directed toward a side of the body.

摘要翻译： 钻孔工具包括在前端具有面部的主体。 多个切割元件设置在所述面上并且被配置为包括相对于钻头轴线布置在基本相同的径向位置处的两个或更多个切割元件的多个切割对，其中所述至少两个切割元件中的每一个基本相同 当钻头绕其轴线旋转时的切割路径。 钻孔工具被进一步构造成使得在钻孔期间由多个切割元件的每个切割元件产生的横向力的总和指向身体的一侧。

公开(公告)号：US20100307829A1

公开(公告)日：2010-12-09

申请号：US12478806

申请日：2009-06-05

申请人： Suresh G. Patel

发明人： Suresh G. Patel

IPC分类号： E21B10/55 ,  E21B10/42 ,  E21B10/567 ,  E21B7/00 ,  E21B3/00

CPC分类号： E21B10/5673 ,  E21B2010/566

摘要： A cutting element for a drag-type earth-boring drill bit includes a cutting table with a face including a region that is configured cut into a formation at an effective positive back rake angle and to direct formation cuttings, or chips, that have been cut from the earth formation toward the hydraulics of the drill bit. Drill bits that include one or more cutting elements that have been configured in this manner are also disclosed. Such a drill bit may also include a wear pad for limiting the depth to which a cutting element penetrates a surface of a bore hole in an earth formation. Such a wear pad may have a substantially constant thickness. Methods for removing material from earth formations are also disclosed.

摘要翻译： 用于拖式镗孔钻头的切割元件包括切割台，其具有包括被构造成切割成有效的正后倾角的地层的区域并且引导已经被切割的成形切屑或切屑的区域 从地层到钻头的液压。 还公开了包括已经以这种方式配置的一个或多个切割元件的钻头。 这样的钻头还可以包括用于限制切削元件穿透地层中钻孔表面的深度的磨损垫。 这种耐磨垫可以具有基本恒定的厚度。 还公开了从地层去除材料的方法。

公开(公告)号：US20100163310A1

公开(公告)日：2010-07-01

申请号：US12347736

申请日：2008-12-31

申请人： Chaitanya K. Vempati ,  Suresh G. Patel ,  Leroy William Ledgerwood ,  Timothy King Marvel ,  Michael R. Wells

发明人： Chaitanya K. Vempati ,  Suresh G. Patel ,  Leroy William Ledgerwood ,  Timothy King Marvel ,  Michael R. Wells

IPC分类号： E21B10/633 ,  B21K5/02 ,  E21B7/00

CPC分类号： E21B10/633 ,  E21B10/43 ,  Y10T29/4973

摘要： A rotary tool for drilling subterranean material is disclosed. The rotary tool includes a tool body having a distal crown end comprising a circumferential series of raised cutting blades with recessed junk slots therebetween. Cutting elements are located proximate a leading peripheral edge of the raised cutting blades and cutting control structures are located interiorly of the cutting elements at a leading surface of an adjacent junk slot. Cutting control structures are releasably secured to the tool body in the adjacent junk slot whereby a used rotary tool is refurbishable by removing worn cutting control structures without degradation to the tool body and replacing the worn cutting control structures by installing new cutting control structures in the worn cutting control structures' locations.

摘要翻译： 公开了一种用于钻井地下材料的旋转工具。 旋转工具包括具有远端冠部端部的工具主体，其包括周向系列的凸起切割刀片，其间具有凹陷的垃圾槽。 切割元件位于凸起切割刀片的引导周边附近，并且切割控制结构位于相邻垃圾槽的前表面处的切割元件的内部。 切割控制结构可释放地固定到相邻垃圾槽中的工具主体，由此使用的旋转工具可通过去除磨损的切割控制结构而被翻新，而不会降低工具主体，并通过在磨损中安装新的切割控制结构来代替磨损的切割控制结构 切割控制结构的位置。