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1. 发明申请

US20120073879A1 DOWNHOLE REAMER ASYMMETRIC CUTTING STRUCTURES 有权
标题翻译：倒角不对称切割结构
公开(公告)号：US20120073879A1
公开(公告)日：2012-03-29
申请号：US12893652
申请日：2010-09-29
申请人： Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
发明人： Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
IPC分类号： E21B10/26
CPC分类号： E21B10/46 , E21B10/32 , E21B10/322 , E21B10/43
摘要： A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis of the reamer body, each of the plurality of cutter blocks comprising at least one cutter blade thereon, wherein an angular spacing about the central axis of the reamer body between the at least one cutter blade on each of the plurality of cutter blocks is unequal.
摘要翻译：用于扩孔钻孔的地下钻孔中的切割结构包括多个切割块，其可从铰刀主体远离扩孔器主体的中心轴线径向延伸，多个切割块中的每一个包括至少一个其中在所述多个切割器块中的每一个上的所述至少一个切割刀片之间围绕所述铰刀主体的中心轴线的角度间隔是不相等的。

2. 发明授权

US08550188B2 Downhole reamer asymmetric cutting structures 有权
标题翻译：井下铰刀不对称切割结构
公开(公告)号：US08550188B2
公开(公告)日：2013-10-08
申请号：US12893652
申请日：2010-09-29
申请人： Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
发明人： Navish Makkar , Tommy G. Ray , Manoj Mahajan , Dwayne P. Terracina , Sameer Bhoite
IPC分类号： E21B10/00
CPC分类号： E21B10/46 , E21B10/32 , E21B10/322 , E21B10/43
摘要： A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis of the reamer body, each of the plurality of cutter blocks comprising at least one cutter blade thereon, wherein an angular spacing about the central axis of the reamer body between the at least one cutter blade on each of the plurality of cutter blocks is unequal.
摘要翻译：用于扩孔钻孔的地下钻孔中的切割结构包括多个切割块，其可从铰刀主体远离扩孔器主体的中心轴线径向延伸，多个切割块中的每一个包括至少一个其中在所述多个切割器块中的每一个上的所述至少一个切割刀片之间围绕所述铰刀主体的中心轴线的角度间隔是不相等的。

3. 发明授权

US08978783B2 Jet arrangement on an expandable downhole tool 有权
标题翻译：喷射装置在可扩展井下工具上
公开(公告)号：US08978783B2
公开(公告)日：2015-03-17
申请号：US13116777
申请日：2011-05-26
申请人： Brian Cruickshank , Manoj Mahajan , Navish Makkar , Sameer Bhoite , Charles Dewey
发明人： Brian Cruickshank , Manoj Mahajan , Navish Makkar , Sameer Bhoite , Charles Dewey
IPC分类号： E21B7/00 , E21B10/32 , E21B10/60 , E21B17/10
CPC分类号： E21B10/322 , E21B10/60 , E21B17/1078
摘要： The expandable tools disclosed herein may be used as an underreamer to enlarge a borehole, or may be used to stabilize a drilling system in a previously underreamed borehole or in a borehole that is being underreamed while drilling progresses. At least one moveable arm, which translates between a collapsed and expanded position in response to a differential pressure between the axial flowbore and the wellbore, includes a borehole-engaging surface with cutting elements and at least one nozzle to direct a fluid across the borehole-engaging surface. Flow directing elements on the external surface of the tool may be used to decrease the flow area in an annulus between the tool and the wellbore and directs fluid flow in the annulus toward the borehole-engaging surface.
摘要翻译：本文公开的可膨胀工具可以用作扩孔器的扩孔器，或者可以用于稳定钻井系统在预先钻进的钻孔中或在钻孔进行时正在被加热的钻孔中。响应于轴流孔和井眼之间的压差，在折叠和膨胀位置之间平移的至少一个可移动臂包括具有切割元件的钻孔接合表面和至少一个喷嘴以将流体引导穿过钻孔 - 接合面。可以使用工具外表面上的流动引导元件来减小工具和井筒之间的环形空间中的流动面积，并且将空气中的流体流引向钻孔接合表面。

4. 发明申请

US20120298423A1 JET ARRANGEMENT ON AN EXPANDABLE DOWNHOLE TOOL 有权
标题翻译：喷射装置在可膨胀的下车工具上
公开(公告)号：US20120298423A1
公开(公告)日：2012-11-29
申请号：US13116777
申请日：2011-05-26
申请人： Brian Cruickshank , Manoj Mahajan , Navish Makkar , Sameer Bhoite , Charles Dewey
发明人： Brian Cruickshank , Manoj Mahajan , Navish Makkar , Sameer Bhoite , Charles Dewey
IPC分类号： E21B7/28 , E21B10/32
CPC分类号： E21B10/322 , E21B10/60 , E21B17/1078
摘要： Various embodiments of an expandable downhole tool for use in drilling of a wellbore are disclosed. The expandable tools disclosed herein may be used as an underreamer to enlarge a borehole, or may be used to stabilize a drilling system in a previously underreamed borehole or in a borehole that is being underreamed while drilling progresses. The various embodiments of the expandable tools disclosed herein have a higher hydraulic capacity than prior art underreamers. An increase in hydraulic energy delivered to the cutting structures may advantageously improve the rate of removal of cuttings from the cutting structures (improved cuttings evacuation), may decrease cutter element wear, and may prevent damage or premature failure. Improved cuttings evacuation may also provide for improved cutting action and increased penetration rates.
摘要翻译：公开了用于钻井中的可扩展井下工具的各种实施例。本文公开的可膨胀工具可以用作扩孔器的扩孔器，或者可以用于稳定钻井系统在预先钻进的钻孔中或在钻孔进行时正在被加热的钻孔中。本文公开的可膨胀工具的各种实施例具有比现有技术的扩孔器更高的液压能力。输送到切割结构的液压能量的增加可以有利地提高切割结构的切割速度（改进的切屑排出），可以减少切割器元件磨损，并且可以防止损坏或过早失效。改进的切屑撤离也可以提供改进的切割作用和增加的渗透速率。

5. 发明申请

US20100276210A1 CUTTER POCKET DESIGN 有权
标题翻译：切割口袋设计
公开(公告)号：US20100276210A1
公开(公告)日：2010-11-04
申请号：US12767503
申请日：2010-04-26
申请人： Jimykumar Prajapati , Navish Makkar , Michael James Rodgers , Robert Patrick Moore , Dwayne P. Terracina
发明人： Jimykumar Prajapati , Navish Makkar , Michael James Rodgers , Robert Patrick Moore , Dwayne P. Terracina
IPC分类号： E21B10/55 , B21K5/02
CPC分类号： B23P15/28 , C22C26/00 , E21B10/55
摘要： A drilling tool including a tool body and a cutter pocket formed in the tool body, the cutter pocket including a front planar surface, a back planar surface opposite the front planar surface, a first side surface between the front and back planar surfaces, and a second side surface opposite the first side surface and between the front and back planar surfaces is disclosed herein. A method of manufacturing a drilling tool including machining a tool body having a cutter pocket in accordance with embodiments disclosed herein, disposing a cutting element in the cutter pocket, and brazing the cutting element in the cutter pocket is disclosed.
摘要翻译：一种钻具，其包括形成在所述工具主体中的工具主体和刀具槽，所述刀具槽包括前平面表面，与所述前平面相对的后平面，所述前平面和后平面之间的第一侧表面，本文公开了与第一侧表面相对的第二侧表面和前平面和后平面之间的第二侧表面。公开了一种制造钻具的方法，该钻具具有根据本文公开的实施例来加工具有切割器凹口的工具主体，在切割器凹槽中设置切割元件以及将切割元件钎焊在切割器凹槽中。

6. 发明授权

US08776912B2 Secondary cutting structure 失效
标题翻译：二次切割结构
公开(公告)号：US08776912B2
公开(公告)日：2014-07-15
申请号：US12767575
申请日：2010-04-26
申请人： Navish Makkar , Dwayne P. Terracina
发明人： Navish Makkar , Dwayne P. Terracina
IPC分类号： E21B7/00 , E21B10/32 , E21B7/28 , E21B10/46
CPC分类号： E21B10/32 , E21B7/28 , E21B10/322 , E21B10/46 , Y10T29/49
摘要： In one aspect, embodiments disclosed herein relate to a secondary cutting structure for use in a drilling assembly, the second cutting structure including a tubular body and a cutter block, extendable from the tubular body, the block including at least three rows of cutting elements. In another aspect, embodiments disclosed herein relate to drilling a borehole, the method including disposing a drilling tool assembly in the borehole, wherein the drilling tool assembly includes a primary cutting structure and a secondary cutting structure, and wherein the secondary cutting structure ahs a cutter block having at least three rows of cutting elements. The method also includes actuating the primary cutting structure, drilling a first portion of the borehole with the primary cutting structure, actuating the secondary cutting structure, and drilling a second portion of the borehole with both the primary and secondary cutting structures.
摘要翻译：在一个方面，本文公开的实施例涉及用于钻井组件的次切割结构，第二切割结构包括管状主体和可从管状体延伸的切割块，该块包括至少三排切割元件。在另一方面，本文公开的实施例涉及钻孔，该方法包括在钻孔中设置钻具组件，其中钻具组件包括主切割结构和次切割结构，并且其中次切割结构是切割器具有至少三行切割元件的块。该方法还包括致动主切割结构，用主切割结构钻探钻孔的第一部分，致动次切割结构，以及利用主切割结构和次切割结构钻入钻孔的第二部分。

7. 发明申请

US20100276201A1 SECONDARY CUTTING STRUCTURE 失效
标题翻译：二次切割结构
公开(公告)号：US20100276201A1
公开(公告)日：2010-11-04
申请号：US12767575
申请日：2010-04-26
申请人： Navish Makkar , Dwayne P. Terracina
发明人： Navish Makkar , Dwayne P. Terracina
IPC分类号： E21B7/00 , E21B10/32 , B23P15/00
CPC分类号： E21B10/32 , E21B7/28 , E21B10/322 , E21B10/46 , Y10T29/49
摘要： In one aspect, embodiments disclosed herein relate to a secondary cutting structure for use in a drilling assembly, the second cutting structure including a tubular body and a cutter block, extendable from the tubular body, the block including at least three rows of cutting elements. In another aspect, embodiments disclosed herein relate to drilling a borehole, the method including disposing a drilling tool assembly in the borehole, wherein the drilling tool assembly includes a primary cutting structure and a secondary cutting structure, and wherein the secondary cutting structure ahs a cutter block having at least three rows of cutting elements. The method also includes actuating the primary cutting structure, drilling a first portion of the borehole with the primary cutting structure, actuating the secondary cutting structure, and drilling a second portion of the borehole with both the primary and secondary cutting structures.
摘要翻译：在一个方面，本文公开的实施例涉及用于钻井组件的次切割结构，第二切割结构包括管状主体和可从管状体延伸的切割块，该块包括至少三排切割元件。在另一方面，本文公开的实施例涉及钻孔，该方法包括在钻孔中设置钻具组件，其中钻具组件包括主切割结构和次切割结构，并且其中次切割结构是切割器具有至少三行切割元件的块。该方法还包括致动主切割结构，用主切割结构钻探钻孔的第一部分，致动次切割结构，以及利用主切割结构和次切割结构钻入钻孔的第二部分。

8. 发明授权

US08881850B2 Cutter pocket design 有权
标题翻译：刀口袋设计
公开(公告)号：US08881850B2
公开(公告)日：2014-11-11
申请号：US12767503
申请日：2010-04-26
申请人： Jimykumar Prajapati , Navish Makkar , Michael James Rodgers , Robert Patrick Moore , Dwayne P. Terracina
发明人： Jimykumar Prajapati , Navish Makkar , Michael James Rodgers , Robert Patrick Moore , Dwayne P. Terracina
IPC分类号： E21B10/55 , C22C26/00
CPC分类号： B23P15/28 , C22C26/00 , E21B10/55
摘要： A drilling tool including a tool body and a cutter pocket formed in the tool body, the cutter pocket including a front planar surface, a back planar surface opposite the front planar surface, a first side surface between the front and back planar surfaces, and a second side surface opposite the first side surface and between the front and back planar surfaces is disclosed herein. A method of manufacturing a drilling tool including machining a tool body having a cutter pocket in accordance with embodiments disclosed herein, disposing a cutting element in the cutter pocket, and brazing the cutting element in the cutter pocket is disclosed.
摘要翻译：一种钻具，其包括形成在所述工具主体中的工具主体和刀具槽，所述刀具槽包括前平面表面，与所述前平面相对的后平面，所述前平面和后平面之间的第一侧表面，本文公开了与第一侧表面相对的第二侧表面和前平面和后平面之间的第二侧表面。公开了一种制造钻具的方法，该钻具具有根据本文公开的实施例来加工具有切割器凹口的工具主体，在切割器凹槽中设置切割元件以及将切割元件钎焊在切割器凹槽中。

9. 发明申请

US20130146361A1 APPARATUSES AND METHODS FOR STABILIZING DOWNHOLE TOOLS 有权
标题翻译：用于稳定井下工具的装置和方法
公开(公告)号：US20130146361A1
公开(公告)日：2013-06-13
申请号：US13324265
申请日：2011-12-13
申请人： Navish Makkar , Brian Cruickshank , Charles Dewey , Michael G. Azar
发明人： Navish Makkar , Brian Cruickshank , Charles Dewey , Michael G. Azar
IPC分类号： E21B7/00 , E21B10/32
CPC分类号： E21B10/32 , E21B7/28 , E21B10/322 , E21B17/1078
摘要： A secondary cutting structure for use in a drilling assembly includes a tubular body, and a block, extendable from the tubular body, the block including a first arrangement of cutting elements disposed on a first blade, a first stabilization section disposed proximate the first arrangement of cutting elements, a second arrangement of cutting elements disposed on the first blade, and a second stabilization section disposed proximate the second arrangement of cutting elements. A method of drilling includes disposing a drilling assembly in a wellbore, the drilling assembly including a secondary cutting structure having a tubular body and a block, extendable from the body, the block including at least three blades, actuating the secondary cutting structure, wherein the actuating includes extending the block from the tubular body, and drilling formation with the extended block
摘要翻译：用于钻井组件的二次切割结构包括管状主体和可从管状体延伸的块，该块包括设置在第一叶片上的切割元件的第一布置，第一稳定部分，切割元件，设置在第一刀片上的切割元件的第二布置，以及靠近第二切割元件布置设置的第二稳定部。一种钻井方法包括将钻井组件设置在井眼中，钻井组件包括具有管状主体和块的辅助切割结构，该主体可从本体延伸，该块包括至少三个叶片，致动第二切割结构，其中，致动包括从管状体延伸块体，以及用延伸块体进行钻井成形

10. 发明申请

US20110173896A1 EXPANDABLE EARTH BORING APPARATUS USING IMPREGNATED AND MATRIX MATERIALS FOR ENLARGING A BOREHOLE 失效
标题翻译：可扩展的接地装置，使用用于放大孔的凸起和矩阵材料
公开(公告)号：US20110173896A1
公开(公告)日：2011-07-21
申请号：US13078041
申请日：2011-04-01
申请人： Tommy Laird , Navish Makkar
发明人： Tommy Laird , Navish Makkar
IPC分类号： B24D18/00 , B24D3/00 , E21B10/26
CPC分类号： E21B10/32 , E21B7/28 , E21B10/46
摘要： A method for forming a borehole enlargement tool that includes providing a steel body structure, forming at least one rib structure from a matrix material and abrasive particles, affixing the at least one rib structure to the body structure, and affixing the steel body structure to an elongated tubular body is disclosed.
摘要翻译：一种形成钻孔扩大工具的方法，其包括提供钢体结构，从基体材料形成至少一个肋结构和磨料颗粒，将所述至少一个肋结构固定到所述主体结构，以及将所述钢体结构固定到公开了细长管状体。

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