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公开(公告)号：US20120292016A1
公开(公告)日：2012-11-22
申请号：US13434461
申请日：2012-03-29
CPC分类号： E21B7/24 , E21B28/00 , E21B31/005 , F15D1/0015 , Y10T137/2087 , Y10T137/2093 , Y10T137/2098 , Y10T137/2104 , Y10T137/2109 , Y10T137/2115 , Y10T137/2234 , Y10T137/2245
摘要： A vortex-controlled variable flow resistance device ideal for use in a backpressure tool for advancing drill string in extended reach downhole operations. The characteristics of the pressure waves generated by the device are controlled by the growth and decay of vortices in the vortex chamber(s) of a flow path. The flow path includes a switch, such as a bi-stable fluidic switch, for reversing the direction of the flow in the vortex chamber. The flow path may include multiple vortex chambers, and the device may include multiple flow paths. A hardened insert in the outlet of the vortex chamber resists erosion. This device generates backpressures of short duration and slower frequencies approaching the resonant frequency of the drill string, which maximizes axial motion in the drill sting and weight on the bit. Additionally, fluid pulses produced by the tool enhance debris removal ahead of the bit.
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公开(公告)号：US20120291539A1
公开(公告)日：2012-11-22
申请号：US13427141
申请日：2012-03-22
CPC分类号： E21B7/24 , E21B28/00 , E21B31/005 , F15D1/0015 , Y10T137/2087 , Y10T137/2093 , Y10T137/2098 , Y10T137/2104 , Y10T137/2109 , Y10T137/2115 , Y10T137/2234 , Y10T137/2245
摘要： A vortex-controlled variable flow resistance device ideal for use in a backpressure tool for advancing drill string in extended reach downhole operations. The characteristics of the pressure waves generated by the device are controlled by the growth and decay of vortices in the vortex chamber(s) of a flow path. The flow path includes a switch, such as a bi-stable fluidic switch, for reversing the direction of the flow in the vortex chamber. The flow path may include multiple vortex chambers, and the device may include multiple flow paths. A hardened insert in the outlet of the vortex chamber resists erosion. This device generates backpressures of short duration and slower frequencies approaching the resonant frequency of the drill string, which maximizes axial motion in the drill sting and weight on the bit. Additionally, fluid pulses produced by the tool enhance debris removal ahead of the bit.
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公开(公告)号：US08291976B2
公开(公告)日：2012-10-23
申请号：US12635612
申请日：2009-12-10
CPC分类号： E21B43/12 , Y10T137/2104
摘要： A method of servicing a wellbore, comprising providing a fluid diode in fluid communication with the wellbore, and transferring a fluid through the fluid diode. A fluid flow control tool, comprising a tubular diode sleeve comprising a diode aperture, a tubular inner ported sleeve received concentrically within the diode sleeve, the inner ported sleeve comprising an inner port in fluid communication with the diode aperture, and a tubular outer ported sleeved within which the diode sleeve is received concentrically, the outer ported sleeve comprising an outer port in fluid communication with the diode aperture, wherein a shape of the diode aperture, a location of the inner port relative to the diode aperture, and a location of the outer port relative to the diode aperture provide a fluid flow resistance to fluid transferred to the inner port from the outer port and a different fluid flow resistance to fluid transferred to the outer port from the inner port.
摘要翻译： 一种维修井眼的方法，包括提供与井筒流体连通的流体二极管，以及将流体传送通过流体二极管。 一种流体流动控制工具，包括管状二极管套筒，其包括二极管孔，同心地容纳在二极管套管内的管状内部端口套筒，内部端口套筒包括与二极管孔流体连通的内部端口，以及管状外部端口套管 其中二极管套筒同心地接纳在其中，外部端口套筒包括与二极管孔流体连通的外部端口，其中二极管孔的形状，内部端口相对于二极管孔的位置以及 外部端口相对于二极管孔提供流体阻力，从而从外部端口传递到内部端口的流体流动阻力以及从内部端口传递到外部端口的流体的不同流体流动阻力。
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公开(公告)号：US08286701B2
公开(公告)日：2012-10-16
申请号：US12347793
申请日：2008-12-31
CPC分类号： E21B17/07 , E21B23/00 , E21B43/24 , E21B2033/005 , F16L27/12
摘要： A device has a first elongate tubular body and a second elongate tubular body coupled to the first tubular body, both adapted to reside in the wellbore. The device is changeable between the first tubular body axially fixed against movement in a first direction relative to the second tubular body and axially moveable in the first direction relative to the second elongate tubular body in response to temperature.
摘要翻译： 装置具有第一细长管状体和联接到第一管状体的第二细长管状体，两者适于驻留在井眼中。 所述装置可在第一管状体之间改变，所述第一管状体轴向地固定，以抵抗相对于第二管状体在第一方向上的运动，并响应于温度相对于第二细长管状体在第一方向上轴向移动。
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公开(公告)号：US20120193106A1
公开(公告)日：2012-08-02
申请号：US13439156
申请日：2012-04-04
CPC分类号： E21B17/07 , E21B23/00 , E21B43/24 , E21B2033/005 , F16L27/12
摘要： A device has a first elongate tubular body and a second elongate tubular body coupled to the first tubular body, both adapted to reside in the wellbore. The device is changeable between the first tubular body axially fixed against movement in a first direction relative to the second tubular body and axially moveable in the first direction relative to the second elongate tubular body in response to temperature.
摘要翻译： 装置具有第一细长管状体和联接到第一管状体的第二细长管状体，两者适于驻留在井眼中。 所述装置可在第一管状体之间改变，所述第一管状体轴向地固定，以抵抗相对于第二管状体在第一方向上的运动，并响应于温度相对于第二细长管状体在第一方向上轴向移动。
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公开(公告)号：US08220545B2
公开(公告)日：2012-07-17
申请号：US12693983
申请日：2010-01-26
IPC分类号： E21B36/00
CPC分类号： E21B47/011
摘要： In some embodiments, an apparatus includes a tool for a downhole operation. The tool includes a downhole power source to generate power. The tool also includes a cooler module to lower temperature based on the power.
摘要翻译： 在一些实施例中，一种装置包括用于井下操作的工具。 该工具包括一个产生电力的井下电源。 该工具还包括一个基于功率降低温度的冷却器模块。
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97.发明授权Methods and apparatuses for releasing a chemical into a well bore upon command 有权根据命令将化学物质释放到井眼中的方法和装置公开(公告)号：US08162054B2
公开(公告)日：2012-04-24
申请号：US12546345
申请日：2009-08-24
摘要： One apparatus for releasing a chemical in a well bore includes a casing collar configured to couple to a casing string. A chemical container is disposed within the casing collar, and the casing collar is configured to release the chemical from the chemical reservoir.
摘要翻译： 用于在井眼中释放化学物质的一种装置包括构造成耦合到套管柱的套管套管。 化学容器设置在套管套环内，并且套管套环构造成从化学容器释放化学品。
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98.发明授权公开(公告)号：US08151874B2
公开(公告)日：2012-04-10
申请号：US12269995
申请日：2008-11-13
CPC分类号： E21B43/2405 , E21B43/261
摘要： Systems and methods for thermal recovery of shallow bitumen using increased permeability inclusions. A method of producing hydrocarbons from a subterranean formation includes the steps of: propagating at least one generally planar inclusion outward from a wellbore into the formation; injecting a fluid into the inclusion, thereby heating the hydrocarbons; and during the injecting step, producing the hydrocarbons from the wellbore. A well system includes at least one generally planar inclusion extending outward from a wellbore into a formation; a fluid injected into the inclusion, hydrocarbons being heated as a result of the injected fluid; and a tubular string through which the hydrocarbons are produced, the tubular string extending to a location in the wellbore below the inclusion, and the hydrocarbons being received into the tubular string at that location.
摘要翻译： 使用增加的渗透性夹杂物来回收浅沥青的系统和方法。 从地层生产烃的方法包括以下步骤：将至少一个大体上平坦的包含物从井筒向外传播到地层中; 将流体注入到夹杂物中，从而加热烃; 并且在注入步骤期间，从井眼产生烃。 井系统包括从井眼向外延伸到地层中的至少一个大致平面的夹杂物; 注入到夹杂物中的流体，被注入流体加热的烃; 以及产生烃类的管状管柱，该管状管柱延伸到该夹套内部的井眼中的位置，并且该烃在该位置处被接收到该管状管柱中。
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99.发明授权Methods and apparatuses for releasing a chemical into a well bore upon command 有权根据命令将化学物质释放到井眼中的方法和装置公开(公告)号：US08136594B2
公开(公告)日：2012-03-20
申请号：US12546335
申请日：2009-08-24
IPC分类号： E21B33/13
摘要： Methods and apparatuses for releasing a chemical in a well bore are disclosed. One apparatus includes a curved member configured for coupling to a casing, and a hollow member is connected to the curved member. A chemical container is disposed, at least in part, within the hollow space, and the hollow member extends at least partially around a hollow space.
摘要翻译： 公开了用于在井眼中释放化学物质的方法和装置。 一种装置包括构造成联接到壳体的弯曲构件，并且中空构件连接到弯曲构件。 化学容器至少部分地设置在中空空间内，中空构件至少部分地围绕中空空间延伸。
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公开(公告)号：US07918269B2
公开(公告)日：2011-04-05
申请号：US12625302
申请日：2009-11-24
CPC分类号： E21B43/305 , E21B43/16
摘要： Systems and methods for drainage of a heavy oil reservoir via a horizontal wellbore. A method of improving production of fluid from a subterranean formation includes the step of propagating a generally vertical inclusion into the formation from a generally horizontal wellbore intersecting the formation. The inclusion is propagated into a portion of the formation having a bulk modulus of less than approximately 750,000 psi. A well system includes a generally vertical inclusion propagated into a subterranean formation from a generally horizontal wellbore which intersects the formation. The formation comprises weakly cemented sediment.
摘要翻译： 通过水平井筒排放重油油藏的系统和方法。 从地下地层改善流体生产的方法包括将大致垂直的夹杂物从与地层相交的大致水平的井筒传播到地层中的步骤。 夹杂物被扩散到体积模量小于约750,000psi的部分地层中。 井系统包括从与地层相交的大致水平的井筒传播到地下地层中的大致垂直的夹杂物。 形成包括弱胶结沉积物。
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