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1. 发明授权

US07255162B2 Methods and apparatus for use in subterranean cementing operations 有权
标题翻译：用于地下固井作业的方法和装置
公开(公告)号：US07255162B2
公开(公告)日：2007-08-14
申请号：US10841772
申请日：2004-05-07
申请人： Michael D. Stevens , David D. Szarka , Kevin T. Berscheidt , Henry E. Rogers , Brett A. Fears
发明人： Michael D. Stevens , David D. Szarka , Kevin T. Berscheidt , Henry E. Rogers , Brett A. Fears
IPC分类号： E21B33/13
CPC分类号： E21B33/05 , F16L55/13
摘要： The present invention relates to subterranean cementing operations, and more particularly to an apparatus useful in loading cementing plugs and darts into tubulars, and methods of using such apparatus in subterranean cementing operations. An example of a method of the present invention is a method of placing a compressible object having a cross-section within a tubular, including the steps of: reducing the cross-section of the compressible object; placing the compressible object with the reduced cross-section in a tubular; and releasing the compressible object within the tubular. Another example of a method of the present invention is a method of reducing the radial cross-section of a compressible object. Other examples of apparatus of the present invention include apparatus for placing a compressible object into a tubular.
摘要翻译：本发明涉及地下固井作业，更具体地说涉及一种用于将胶结塞和飞镖装入管中的装置，以及在地下固井操作中使用这种装置的方法。本发明的方法的一个实例是将具有横截面的可压缩物体放置在管状体内的方法，包括以下步骤：减小可压缩物体的横截面; 将具有减小的横截面的可压缩物体放置在管状中; 并释放管状内的可压缩物体。本发明方法的另一个实例是减小可压缩物体的径向横截面的方法。本发明的装置的其它实例包括用于将可压缩物体放置在管状物中的装置。

2. 发明授权

US08267174B2 Internal retention mechanism 有权
标题翻译：内部保留机制
公开(公告)号：US08267174B2
公开(公告)日：2012-09-18
申请号：US12544554
申请日：2009-08-20
申请人： Henry E. Rogers , Steve L. Holden , David D. Szarka
发明人： Henry E. Rogers , Steve L. Holden , David D. Szarka
IPC分类号： E21B23/00 , E21B33/00
CPC分类号： E21B33/146 , E21B33/14
摘要： An anchoring device for stopping movement of a sliding component in a mandrel or case is disclosed. The anchoring device includes an elastically deformable anchor seat and an elastically deformable anchor retainer insertable into the anchor seat. The anchor seat has a groove profile thereon which will mate with a groove profile on the mandrel in an anchoring position. The retainer is insertable into the anchor seat and will hold the anchor seat in the anchoring position.
摘要翻译：公开了一种用于停止滑动部件在心轴或壳体中的运动的锚定装置。锚固装置包括可弹性变形的锚座和可插入锚座中的可弹性变形的锚定保持器。锚座具有凹槽轮廓，其在锚定位置上将与心轴上的凹槽轮廓匹配。保持器可插入锚座，并将锚座保持在锚定位置。

3. 发明授权

US06810958B2 Circulating cementing collar and method 有权
标题翻译：循环固井和方法
公开(公告)号：US06810958B2
公开(公告)日：2004-11-02
申请号：US10026736
申请日：2001-12-20
申请人： David D. Szarka , Henry E. Rogers
发明人： David D. Szarka , Henry E. Rogers
IPC分类号： E21B3406
CPC分类号： E21B34/14 , E21B21/103 , E21B34/103 , E21B2034/005
摘要： An apparatus and method for cementing a casing string in a wellbore. A self-filling tubular cementing collar connected to the lower end of a casing string is provided with one-way flow valving that allows well fluid to enter and self-fill the casing string as it is lowered into the wellbore and automatically prohibits reverse fluid flow from the collar when washing or cementing during forward circulation through the collar. The one-way valving is carried by an axially movable support that can be shifted by a cementing plug moved by pump pressure to permanently seal the entry flow passage after the casing sting is properly positioned in the wellbore.
摘要翻译：用于将套管柱固定在井筒中的装置和方法。连接到套管柱下端的自填式管状固井环设置有单向流动阀，其允许井下流体在下套入井眼时进入和自填充套管柱，并自动禁止反向流体流动从衣领上洗涤或固定时，通过衣领向前循环。单向阀由可轴向移动的支撑件承载，该支撑件可以通过泵压力移动的固井塞移动，以在壳体刺入适当地定位在井筒中之后永久地密封入口流动通道。

4. 发明授权

US07665520B2 Multiple bottom plugs for cementing operations 有权
标题翻译：用于固井作业的多个底部塞子
公开(公告)号：US07665520B2
公开(公告)日：2010-02-23
申请号：US11615180
申请日：2006-12-22
申请人： David D. Szarka , Henry E. Rogers
发明人： David D. Szarka , Henry E. Rogers
IPC分类号： E21B33/16
CPC分类号： E21B33/16 , E21B33/146
摘要： Methods and devices useful in stage cementing operations are provided. One example of an apparatus may comprise a catcher tube assembly and a deformable device. One example of a method is a method of stage cementing a casing string comprising: positioning a catcher tube on top of a float collar; pumping a first fluid through the casing string; placing a first deformable device in the casing string; and pumping a second fluid through the casing string, thereby causing the first deformable device to translate downward in the casing string and into the catcher tube.
摘要翻译：提供了在阶段固井作业中有用的方法和装置。装置的一个示例可以包括捕集器管组件和可变形装置。一种方法的一个实例是一种阶段固井套管的方法，包括：将捕集管放置在浮动轴环的顶部上; 泵送第一流体通过套管柱; 将第一可变形装置放置在套管柱中; 并且泵送第二流体通过套管柱，从而使第一可变形装置在套管柱中向下平移并进入捕集管。

5. 发明授权

US07533729B2 Reverse cementing float equipment 有权
标题翻译：反向固井浮法设备
公开(公告)号：US07533729B2
公开(公告)日：2009-05-19
申请号：US11264228
申请日：2005-11-01
申请人： Henry E. Rogers , Steven L. Holden , David D. Szarka
发明人： Henry E. Rogers , Steven L. Holden , David D. Szarka
IPC分类号： E21B34/06
CPC分类号： E21B33/14 , E21B21/10 , E21B34/102 , E21B2034/005 , Y10T137/88062
摘要： A regulating valve assembly for regulating fluid flow through a passage, the assembly having: a back-flow valve comprising a seat and a closure element, wherein the closure element engages with the seat in a closed configuration and disengages from the seat in an open configuration; a lock in mechanical communication with the back-flow valve to lock the backflow valve in the open configuration; and a forward-flow valve in mechanical communication with the lock and comprising a seat and a closure element, wherein the closure element engages with the seat in a closed configuration and disengages from the seat in an open configuration.
摘要翻译：一种用于调节通过通道的流体流动的调节阀组件，所述组件具有：包括座和闭合元件的回流阀，其中所述闭合元件以闭合构型与所述座接合并且以开放构型与所述座脱离 ; 与所述回流阀机械连接的锁定器将所述回流阀锁定在所述打开构造中; 以及与所述锁机械连接并包括座和闭合元件的向前流动阀，其中所述闭合元件以闭合构型与所述座接合并且以开放构型与所述座脱离。

6. 发明授权

US07350578B2 Diverter plugs for use in well bores and associated methods of use 有权
标题翻译：用于井筒和相关使用方法的转向插头
公开(公告)号：US07350578B2
公开(公告)日：2008-04-01
申请号：US11263730
申请日：2005-11-01
申请人： David D. Szarka , William W. Gilbert , David Burkhead , Henry E. Rogers , Nicholas C. Braun , Todd D. Cooper , John Johnson
发明人： David D. Szarka , William W. Gilbert , David Burkhead , Henry E. Rogers , Nicholas C. Braun , Todd D. Cooper , John Johnson
IPC分类号： E21B33/12 , E21B43/26
CPC分类号： E21B33/134 , E21B23/10 , E21B43/26
摘要： Zonal isolation of well bores is often desirable for performing downhole operations such as stimulation operations. In certain embodiments, diverter plugs for achieving zonal isolation in a casing string in a well bore may comprise a mandrel having a first end and a second end; a compressible body attached to and surrounding a longitudinal portion of the mandrel; and a sealing nose attached to the first end of the mandrel. In certain embodiments, systems for achieving zonal isolation of a casing string in a well bore may comprise a diverter plug comprising a mandrel having a first end and a second end, a compressible body attached to and surrounding a longitudinal portion of the mandrel, and a sealing nose attached to the first end of the mandrel; and a landing collar sized to mate with a portion of the sealing nose of the diverter plug. Associated methods are also provided.
摘要翻译：进行井下作业，如刺激作业，井眼的区域隔离通常是需要的。在某些实施例中，用于实现井筒中套管柱中的区域隔离的分流器塞可以包括具有第一端和第二端的心轴; 附接到并围绕心轴的纵向部分的可压缩主体; 以及连接到心轴的第一端的密封鼻。在某些实施例中，用于实现套管柱在井眼中的区域分离的系统可以包括分流塞，其包括具有第一端和第二端的心轴，连接到并围绕心轴的纵向部分的可压缩体，以及密封鼻连接到心轴的第一端; 以及尺寸适合与分流塞的密封鼻部的一部分配合的着陆衣领。还提供了相关的方法。

7. 发明授权

US06318472B1 Hydraulic set liner hanger setting mechanism and method 失效
标题翻译：液压套管吊架设定机构及方法
公开(公告)号：US06318472B1
公开(公告)日：2001-11-20
申请号：US09322427
申请日：1999-05-28
申请人： Henry E. Rogers , Charles A. Butterfield, Jr. , David D. Szarka
发明人： Henry E. Rogers , Charles A. Butterfield, Jr. , David D. Szarka
IPC分类号： E21B2301
CPC分类号： E21B33/16 , E21B23/04 , E21B43/10
摘要： An liner hanger setting mechanism is provided. The setting mechanism of the present invention is basically comprised of a tubular pump down plug receptacle having a plug seat defined therein. A cylindrical pump down setting plug having a central flow passage and a rupturable member disposed therein to prevent flow therethrough is dropped into a work string and the tubular plug receptacle. The pump down setting plug will engage the plug seat and pressure can be increased to the setting pressure required to set a hydraulically actuated liner hanger. The pressure can then be further increased to the rupture pressure of the rupturable member to provide for full bore flow through the pump down setting plug.
摘要翻译：提供了一种衬管悬挂架设置机构。本发明的设置机构基本上由具有限定在其中的塞座的管状抽水塞插座构成。具有中心流动通道和设置在其中以防止流过其中的可破裂构件的圆柱形抽空塞子落入工作管柱和管状插头容器中。抽吸设置塞将接合塞座，并且压力可以增加到设置液压致动的衬管悬挂器所需的设定压力。然后可以将压力进一步提高到可破裂构件的破裂压力，以提供穿过下降设定塞的全孔流量。

8. 发明申请

US20110042068A1 INTERNAL RETENTION MECHANISM 有权
标题翻译：内部保持机制
公开(公告)号：US20110042068A1
公开(公告)日：2011-02-24
申请号：US12544554
申请日：2009-08-20
申请人： Henry E. Rogers , Steve L. Holden , David D. Szarka
发明人： Henry E. Rogers , Steve L. Holden , David D. Szarka
IPC分类号： E21B23/00 , E21B33/00
CPC分类号： E21B33/146 , E21B33/14
摘要： An anchoring device for stopping movement of a sliding component in a mandrel or case is disclosed. The anchoring device includes an elastically deformable anchor seat and an elastically deformable anchor retainer insertable into the anchor seat. The anchor seat has a groove profile thereon which will mate with a groove profile on the mandrel in an anchoring position. The retainer is insertable into the anchor seat and will hold the anchor seat in the anchoring position.
摘要翻译：公开了一种用于停止滑动部件在心轴或壳体中的运动的锚定装置。锚固装置包括可弹性变形的锚座和可插入锚座中的可弹性变形的锚定保持器。锚座具有凹槽轮廓，其在锚定位置上将与心轴上的凹槽轮廓匹配。保持器可插入锚座，并将锚座保持在锚定位置。

9. 发明授权

US06772835B2 Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring 有权
标题翻译：用于断开尾管并保持工作系统内的流体的装置和方法
公开(公告)号：US06772835B2
公开(公告)日：2004-08-10
申请号：US10230701
申请日：2002-08-29
申请人： Henry E. Rogers , Michael Dodson , Earl D. Webb , David D. Szarka , Frank Acosta
发明人： Henry E. Rogers , Michael Dodson , Earl D. Webb , David D. Szarka , Frank Acosta
IPC分类号： E21B1706
CPC分类号： E21B17/06 , E21B33/134
摘要： An embodiment of a downhole tool for use with a workstring in a wellbore includes a first section, a second section, and a coupling mechanism adapted such that in a first configuration the coupling mechanism couples the first section to the second section. In a second configuration, the coupling mechanism does not couple the first section to the second section. Also disclosed is a method for creating a plug in a wellbore, the method comprising: injecting a slurry into the workstring to form a plug in the wellbore, positioning a flow preventing mechanism into the workstring to prevent fluid flow from exiting the workstring, inducing a coupling mechanism to uncouple a portion of the workstring such that the portion remains with the slurry to create the plug in the wellbore, and removing the first section from the wellbore.
摘要翻译：用于井眼中的工作绳的井下工具的实施例包括第一部分，第二部分和联接机构，其适于使得在第一构造中，联接机构将第一部分联接到第二部分。在第二构造中，联接机构不将第一部分耦合到第二部分。还公开了一种用于在井眼中产生塞子的方法，所述方法包括：将浆料注入到所述工作柱中以在所述井眼中形成塞子，将流动防止机构定位到所述工作绳中以防止流体流出所述工作绳，从而引起耦合机构以使一部分工作串脱开，使得该部分保留在浆料中以在井筒中产生塞子，以及从井筒中移除第一部分。

10. 发明授权

US06547007B2 PDF valve 失效
标题翻译： PDF阀门
公开(公告)号：US06547007B2
公开(公告)日：2003-04-15
申请号：US09836755
申请日：2001-04-17
申请人： David D. Szarka , Henry E. Rogers
发明人： David D. Szarka , Henry E. Rogers
IPC分类号： E21B3410
CPC分类号： E21B34/14 , E21B21/10 , E21B2034/005
摘要： A differential float and cementing valve assembly used to position and cement casing in a well bore. A leaf spring and other components of the assembly are preferably constructed of composite materials and/or plastics that can be drilled up with polycrystalline diamond compact (PDC) bits.
摘要翻译：用于将套管定位并固定在井眼中的差动浮子和固井阀组件。板簧和组件的其它部件优选地由复合材料和/或可以用多晶金刚石（PDC）钻头钻出的塑料构成。

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