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    • 1. 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。
    • 5. 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。
    • 7. 发明申请
    • Annular isolators for tubulars in wellbores
    • 环形管中的环形隔离器
    • US20050023003A1
    • 2005-02-03
    • US10778465
    • 2004-02-13
    • Ralph EcholsJohn GanoJoshua Hornsby
    • Ralph EcholsJohn GanoJoshua Hornsby
    • E21B33/12E21B43/10
    • E21B43/106E21B33/12E21B33/127E21B43/103E21B43/108
    • The present disclosure addresses apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. A first deployable annular isolator is carried on tubing as it is positioned in a borehole. An annular isolator forming material is placed in the annulus around the first deployable isolator. The first isolator is then deployed into the material in the annulus to form a combined isolator. The annular isolator forming material is carried in a compartment in the tubing and forced from the compartment into the annulus. A second deployable isolator may be deployed before placing the material in the annulus to resist annular flow of the material before the first isolator is deployed. The second isolator may be deployed by material from the compartment. A second compartment may be provided to deploy the first isolator.
    • 本公开涉及在安装生产管道之后在钻孔中形成环形隔离器的装置和方法。 第一个可展开的环形隔离器在其位于钻孔中时被承载在管道上。 环形隔离器形成材料放置在第一可部署隔离器周围的环形空间中。 然后将第一隔离器部署到环形空间中的材料中以形成组合隔离器。 环形隔离器形成材料被承载在管道中的隔室中并且被迫从隔室进入环形空间。 在将材料放置在环形空间内之前可以部署第二可部署的隔离装置,以在第一隔离器展开之前抵抗材料的环形流动。 第二隔离器可以通过隔室的材料来展开。 可以提供第二隔室以部署第一隔离器。