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    • 3. 发明申请
    • System and method for thermal change compensation in an annular isolator
    • 环形隔离器中热变形补偿的系统和方法
    • US20080230234A9
    • 2008-09-25
    • US10982267
    • 2004-11-03
    • John GanoRalph Echols
    • John GanoRalph Echols
    • E21B33/12
    • E21B33/127E21B33/12E21B43/103
    • In accordance with the teachings of the present invention, a system and method for forming an annular isolator between production tubing and a borehole wall is provided. A section of expandable tubing is installed in a borehole, and a sleeve disposed around a surface of the tubing cooperates with the tubing to form a fluid chamber. The sleeve includes a first portion that is predisposed to expand outwardly under fluid pressure from the fluid chamber, and a second portion that is configured such that, when expanded due to fluid pressure, the second portion stores energy that is biased to sustain the fluid pressure within the chamber, in response to a change in fluid volume. The tubing may be expanded using a tool disposed within the tubing.
    • 根据本发明的教导,提供了一种用于在生产管道和井壁之间形成环形隔离器的系统和方法。 可扩张管的一部分安装在钻孔中,并且围绕管的表面设置的套管与管道配合以形成流体室。 套筒包括第一部分,其倾向于在流体压力下从流体室向外膨胀;以及第二部分,其构造成使得当由于流体压力而膨胀时,第二部分存储被偏压以维持流体压力的能量 在腔室内,响应于流体体积的变化。 可以使用设置在管道内的工具来扩张管道。
    • 7. 发明申请
    • System and method for thermal change compensation in an annular isolator
    • 环形隔离器中热变形补偿的系统和方法
    • US20090277649A9
    • 2009-11-12
    • US10982267
    • 2004-11-03
    • John GanoRalph Echols
    • John GanoRalph Echols
    • E21B33/12
    • E21B33/127E21B33/12E21B43/103
    • In accordance with the teachings of the present invention, a system and method for forming an annular isolator between production tubing and a borehole wall is provided. A section of expandable tubing is installed in a borehole, and a sleeve disposed around a surface of the tubing cooperates with the tubing to form a fluid chamber. The sleeve includes a first portion that is predisposed to expand outwardly under fluid pressure from the fluid chamber, and a second portion that is configured such that, when expanded due to fluid pressure, the second portion stores energy that is biased to sustain the fluid pressure within the chamber, in response to a change in fluid volume. The tubing may be expanded using a tool disposed within the tubing.
    • 根据本发明的教导,提供了一种用于在生产管道和井壁之间形成环形隔离器的系统和方法。 可扩张管的一部分安装在钻孔中,并且围绕管的表面设置的套管与管道配合以形成流体室。 套筒包括第一部分,其倾向于在流体压力下从流体室向外膨胀;以及第二部分,其构造成使得当由于流体压力而膨胀时,第二部分存储被偏压以维持流体压力的能量 在腔室内,响应于流体体积的变化。 可以使用设置在管道内的工具来扩张管道。
    • 9. 发明申请
    • Fluid flow control device and method for use of same
    • 流体流量控制装置及其使用方法
    • US20060157257A1
    • 2006-07-20
    • US11385167
    • 2006-03-21
    • Colby RossRalph EcholsBrock Watson
    • Colby RossRalph EcholsBrock Watson
    • E21B34/10E21B43/12
    • E21B43/08E21B43/12E21B47/09
    • A fluid flow control device (130) for use in a wellbore to control the inflow of production fluids comprises a screen assembly (132) positioned around a base pipe (134). The base pipe (134) has a blank pipe section and a perforated section including at least one fluid passageway (136). The screen assembly (132) has a filter medium section (142) positioned around the blank pipe section and defining a first region (144) therebetween and a housing section (146) positioned around the perforated section defining a second region (148) therebetween with a sleeve (150) slidably positioned therein. When it is desired to prevent the inflow of the production fluids through the fluid flow control device (130), the sleeve (150) is operated from a first position to a second position which prevent fluid flow from the second region (148) to the fluid passageway (136).
    • 用于井筒中以控制生产流体流入的流体流量控制装置(130)包括围绕基管(134)定位的筛组件(132)。 基管134具有空白管段和包括至少一个流体通道136的穿孔部分。 屏幕组件(132)具有位于空白管道部分周围并在其间限定第一区域(144)的过滤介质部分(142)和围绕穿孔部分定位在其间的第二区域(148)的壳体部分(146) 可滑动地定位在其中的套筒(150)。 当期望防止生产流体通过流体流动控制装置(130)流入时,套筒(150)从第一位置操作到第二位置,从而阻止流体从第二区域(148)流到 流体通道(136)。