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1. 发明授权

US07703533B2 Shear type circulation valve and swivel with open port reciprocating feature 失效
标题翻译：剪切式循环阀和带开口的往复式回转功能
公开(公告)号：US07703533B2
公开(公告)日：2010-04-27
申请号：US11751960
申请日：2007-05-22
申请人： Thomas M. Ashy , Gregory L. Hern
发明人： Thomas M. Ashy , Gregory L. Hern
IPC分类号： E21B34/12
CPC分类号： E21B21/103 , E21B23/006 , E21B34/12
摘要： A tool and associated method allows a liner top to be dressed. Then while maintaining a lateral port closed the tool can be used to circulate while being rotated and reciprocated. The tool features discrete j-slot mechanisms. The upper j-slot allows the lateral port to initially open while the lower j-slot keeps the lateral port open despite movement of the tool in opposed directions in the hole due to a barrier to the pin in the lower j-slot. When enough weight is set or the barrier is otherwise removed, the lateral port can be closed and the test packer set by set down weight with the lateral port closed. After the packer is unset the lateral ports can be reopened and circulation and swiveling on a bearing can occur even if the packer is temporarily actuated from the setting down motion that reopened the lateral ports.
摘要翻译：工具和相关联的方法允许衬衫上衣穿着。然后在保持横向端口关闭的同时，可以使用该工具在旋转和往复运动的同时循环。该工具具有离散的j槽机制。上部j形槽允许侧向端口初始打开，而下部j形槽保持横向端口打开，尽管工具在孔中的相反方向上移动，这是由于下部J形槽中的销钉的阻挡。当设置足够的重量或者否则除去屏障时，可以关闭侧向端口，并且通过将侧向端口关闭来设定测试封隔器。在封隔器松开之后，即使封隔器暂时从重新打开侧向端口的放下运动中启动，可以重新打开侧向端口，从而可以在轴承上循环和旋转。

2. 发明申请

US20110284210A1 Dual-Pole Magnetic Attraction Downhole Magnetic Retrieval Apparatus 审中-公开
标题翻译：双极磁吸收井下磁检测装置
公开(公告)号：US20110284210A1
公开(公告)日：2011-11-24
申请号：US12782207
申请日：2010-05-18
申请人： Gregory L. Hern , Thomas M. Ashy , Jace E. Melder , Larry T. Palmer , Paul L. Connell , Jonathan F. Nelson
发明人： Gregory L. Hern , Thomas M. Ashy , Jace E. Melder , Larry T. Palmer , Paul L. Connell , Jonathan F. Nelson
IPC分类号： E21B31/06
CPC分类号： E21B31/06 , E21B17/1078 , E21B37/00
摘要： A magnetic retrieval tool used for collecting metallic debris and material from within a wellbore or other surrounding downhole tubular. The tool includes a tool mandrel with a removable insert which contains one or more magnets. The insert is formed such that both the north and south magnetic poles of the one or more magnets are able to attract metallic debris.
摘要翻译：一种用于从井眼或其他周围井下管道内收集金属碎屑和材料的磁回收工具。该工具包括具有可拆卸插入物的工具心轴，其包含一个或多个磁体。插入件形成为使得一个或多个磁体的北磁极和南磁极都能够吸引金属碎屑。

3. 发明申请

US20110271470A1 Brush Assembly with Non-Rotating Stabilizer and Brushes 审中-公开
标题翻译：带非旋转稳定器和刷子的刷子组件
公开(公告)号：US20110271470A1
公开(公告)日：2011-11-10
申请号：US12773346
申请日：2010-05-04
申请人： Gregory L. Hern , Courtney J. Hartmann , Thomas M. Ashy
发明人： Gregory L. Hern , Courtney J. Hartmann , Thomas M. Ashy
IPC分类号： B08B9/00
CPC分类号： B08B9/045 , E21B37/02
摘要： A brush assembly for cleaning a surrounding tubular member. The brush assembly includes a brush portion that is rotationally moveable with respect to a central tool mandrel and debris chamber. The brush portion includes at least one brush and a stabilizer.
摘要翻译：一种用于清洁周围的管状构件的刷子组件。刷组件包括可相对于中心工具心轴和碎屑室旋转移动的刷部分。刷部分包括至少一个刷子和稳定器。

4. 发明授权

US08739864B2 Downhole multiple cycle tool 有权
标题翻译：井下多循环工具
公开(公告)号：US08739864B2
公开(公告)日：2014-06-03
申请号：US12826020
申请日：2010-06-29
申请人： James Alan Crider , Gregory L. Hern , Charles W. Pleasants
发明人： James Alan Crider , Gregory L. Hern , Charles W. Pleasants
IPC分类号： E21B23/00
CPC分类号： E21B21/103 , E21B34/14
摘要： A tool for use in a wellbore which includes a housing having an axial flow bore and a piston sleeve moveably disposed within the flow bore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a ball seat. The tool can be moved between first and second operating positions with the use of actuating balls of different sizes that can be landed upon the ball seat.
摘要翻译：一种在井眼中使用的工具，其包括具有轴向流动孔的壳体和可移动地设置在流动孔内的活塞套筒。该工具可通过具有带球座的活塞的致动机构在第一和第二操作位置之间移动。该工具可以在第一和第二操作位置之间移动，使用可以落在球座上的不同尺寸的致动球。

5. 发明授权

US08356671B2 Tool with multi-size ball seat having segmented arcuate ball support member 有权
标题翻译：多尺寸球座的工具具有分段弧形球支撑构件
公开(公告)号：US08356671B2
公开(公告)日：2013-01-22
申请号：US12860985
申请日：2010-08-23
申请人： Jeremy J. Guillory , Daniel R. Hart , Gregory L. Hern
发明人： Jeremy J. Guillory , Daniel R. Hart , Gregory L. Hern
IPC分类号： E21B34/08 , E21B34/14
CPC分类号： E21B21/103 , E21B23/006 , E21B34/14
摘要： A tool for use in a wellbore which includes a housing having an axial flow bore and a piston sleeve moveably disposed within the flow bore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a ball seat having a partially annular shape with an outer base and a plurality of retaining segments projecting radially inwardly therefrom. The tool can be moved between first and second operating positions with the use of actuating balls of different sizes that can be landed upon the ball seat.
摘要翻译：一种在井眼中使用的工具，其包括具有轴向流动孔的壳体和可移动地设置在流动孔内的活塞套筒。该工具可通过具有活塞的致动机构在第一操作位置和第二操作位置之间移动，所述活塞具有球座，其具有部分环形形状，其具有外基部和从其径向向内突出的多个保持段。该工具可以在第一和第二操作位置之间移动，使用可以落在球座上的不同尺寸的致动球。

6. 发明申请

US20120227973A1 Tool with Multisize Segmented Ring Seat 有权
标题翻译：多重分段环座工具
公开(公告)号：US20120227973A1
公开(公告)日：2012-09-13
申请号：US13469852
申请日：2012-05-11
申请人： Daniel R. Hart , Gregory L. Hern , Christopher W. Guidry , Robert S. O'Brien
发明人： Daniel R. Hart , Gregory L. Hern , Christopher W. Guidry , Robert S. O'Brien
IPC分类号： E21B34/14
CPC分类号： E21B21/103 , E21B23/006 , E21B34/063 , E21B34/14
摘要： A wellbore tool which includes a housing having an axial flowbore and a piston sleeve movably disposed within the flowbore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a seat having a plurality of separate arcuate segments. The tool can be moved between first and second operating positions with the use of actuating plugs of different sizes that can be landed upon the seat.
摘要翻译：一种井眼工具，其包括具有轴向流动孔的壳体和可移动地设置在所述流孔内的活塞套筒。该工具可通过具有活塞的致动机构在第一操作位置和第二操作位置之间移动，该活塞具有多个单独的弧形段的座。该工具可以在第一和第二操作位置之间移动，使用可以落在座椅上的不同尺寸的致动插头。

7. 发明申请

US20110315389A1 Downhole Multiple Cycle Tool 有权
标题翻译：井下多周期工具
公开(公告)号：US20110315389A1
公开(公告)日：2011-12-29
申请号：US12826020
申请日：2010-06-29
申请人： James Alan Crider , Gregory L. Hern , Charles W. Pleasants
发明人： James Alan Crider , Gregory L. Hern , Charles W. Pleasants
IPC分类号： E21B34/14
CPC分类号： E21B21/103 , E21B34/14
摘要： A tool for use in a wellbore which includes a housing having an axial flow bore and a piston sleeve moveably disposed within the flow bore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a ball seat. The tool can be moved between first and second operating positions with the use of actuating balls of different sizes that can be landed upon the ball seat.
摘要翻译：一种在井眼中使用的工具，其包括具有轴向流动孔的壳体和可移动地设置在流动孔内的活塞套筒。该工具可通过具有带球座的活塞的致动机构在第一和第二操作位置之间移动。该工具可以在第一和第二操作位置之间移动，使用可以落在球座上的不同尺寸的致动球。

8. 发明授权

US06607031B2 Screened boot basket/filter 有权
标题翻译：屏蔽启动篮/过滤器
公开(公告)号：US06607031B2
公开(公告)日：2003-08-19
申请号：US09847916
申请日：2001-05-03
申请人： Gerald D. Lynde , Gregory L. Hern
发明人： Gerald D. Lynde , Gregory L. Hern
IPC分类号： E21B3108
CPC分类号： E21B37/00 , E21B27/005
摘要： A downhole debris filtering apparatus has the flow diverter retracted as the tool is run in. Settling velocity is the rate at which debris will fall through the fluid. Settling velocity is dependent on the density of the fluid and the debris density. If the fluid velocity exceeds the settling velocity, the debris will rise. The restricted annular area outside the screens raises the fluid velocity. Above the cup sleeve, the annular area increases significantly and the fluid velocity is reduce to below the settling velocity to allow debris to settle to the bottom of the tool. On run in, the fluid merely bypasses on the outside of the filter. Large debris will settle into the tool as described. When pulled out of the hole the swab cup/flow diverter is actuated into casing or liner wall contact and a large passage is opened to allow flow though the filter. Small debris that has risen above the tool will be captured as the fluid is filtered through the screen. Another embodiment with a non-retractable cup uses a sliding sleeve valve with a large open area.
摘要翻译：井下碎屑过滤装置在工具运行时具有收缩的分流器。沉降速度是碎屑通过流体落下的速率。沉降速度取决于流体的密度和碎屑密度。如果流体速度超过沉降速度，碎屑将上升。屏幕外部受限制的环形区域提高了流体速度。在杯套之上，环形区域显着增加，并且流体速度降低到低于沉降速度以允许碎屑沉降到工具的底部。在运行时，流体只能绕过过滤器的外部。如上所述，大碎片将沉入工具中。当从孔中拉出时，将拭子杯/流动分流器启动到壳体或衬套壁接触中，并且打开大通道以允许流过过滤器。当液体通过屏幕过滤时，已经上升到工具上方的小碎屑将被捕获。具有不可缩回杯的另一实施例使用具有大开口面积的滑动套筒阀。

9. 发明授权

US5598895A Cutter assembly having a plurality of independently rotatable cutting units thereon 失效
标题翻译：刀具组件，其上具有多个独立可旋转的切割单元
公开(公告)号：US5598895A
公开(公告)日：1997-02-04
申请号：US374808
申请日：1995-01-19
申请人： Llewellan Anderson , Gregory L. Hern
发明人： Llewellan Anderson , Gregory L. Hern
IPC分类号： E21B10/10 , E21B10/12 , E21B10/22 , E21D9/10 , E21B9/08
CPC分类号： E21B10/12 , E21B10/10 , E21B10/22 , E21D9/104
摘要： A rock cutting tool with a plurality of independently rotatable cutter units and with a shaft, a sleeve located around the shaft, and at least two rotatable hubs located around the sleeve. At least one cutter unit is located on each of the two rotatable hubs for rotation about an axis of rotation with respect to a rock-face. Bearings between the sleeve and each of the hubs rotatably support the hubs. The bearings comprise at least one cylindrical roller bearing set and at least one ball bearing set for each hub. Each roller bearing set is located substantially entirely under the cutter unit of its associated hub to absorb radial loads, and each ball bearing set is located remotely from the cutter unit of its associated hub to be isolated from radial loads. The shaft has first and second key receiving openings. The key is located on the interior surface of the sleeve. The key is mateable with the first and second key receiving openings in the shaft whereby the sleeve is rotatable with respect to the shaft from a first position to a second position to disengage the key from the first key receiving opening and engage the key in a second key receiving opening to extend the bearing life.
摘要翻译：一种具有多个可独立旋转的切割器单元并且具有轴，位于轴周围的套筒以及位于套筒周围的至少两个可旋转毂的岩石切割工具。至少一个切割器单元位于两个可旋转轮毂中的每一个上，用于围绕相对于摇滚面的旋转轴线旋转。套筒和每个轮毂之间的轴承可旋转地支撑轮毂。轴承包括至少一个圆柱滚子轴承组和至少一个用于每个毂的球轴承组。每个滚子轴承组件基本上完全位于其相关联的毂的切割器单元下方以吸收径向载荷，并且每个滚珠轴承组远离其相关联的轮毂的切割器单元定位成与径向载荷隔离。轴具有第一和第二键接收开口。钥匙位于套筒的内表面上。所述钥匙可与所述轴中的所述第一和第二钥匙接收开口相配合，由此所述套筒可相对于所述轴从第一位置转动到第二位置，以使所述钥匙与所述第一钥匙接收开口脱离接合，钥匙接收开口延长轴承寿命。

10. 发明授权

US5199510A Raise boring head and stem assembly method 失效
标题翻译：提高镗头和杆装配方式
公开(公告)号：US5199510A
公开(公告)日：1993-04-06
申请号：US704027
申请日：1991-05-22
申请人： John M. Stanley , Gregory L. Hern
发明人： John M. Stanley , Gregory L. Hern
IPC分类号： E21B7/28 , E21B17/10 , E21B19/18
CPC分类号： E21B19/18 , E21B17/10 , E21B7/28
摘要： An improved method for assembling a stem within a mating, close fitting hole of a raise boring head by attaching an overhead beam to the body of the raise boring bit, supporting the stem with its longitudinal axis aligned with that of the beam and that of the mating hole, and moving the stem along its axis to assemble the stem in the mating hole. A coating of wear resistant material on selected regions of the stem employs a softer material than that of the stem or the mating hole to minimize damage to the hole during assembly.
摘要翻译：一种改进的方法，用于通过将高架梁附接到升高钻头的主体上来将杆头组装在升高镗孔的配合紧密配合的孔内，其支撑杆的纵轴与梁的轴线对准配合孔，并沿其轴线移动阀杆，以将阀杆组装在配合孔中。在杆的选定区域上的耐磨材料涂层使用比杆或配合孔的材料更软的材料，以最小化在组装期间对孔的损伤。

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