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    • 10. 发明授权
    • Apparatus and method providing alternate fluid flowpath for gravel pack completion
    • 提供用于砾石充填完成的替代流体流路的装置和方法
    • US06520254B2
    • 2003-02-18
    • US09747543
    • 2000-12-22
    • Gary D. HurstRaymond J. Tibbles
    • Gary D. HurstRaymond J. Tibbles
    • E21B4304
    • E21B43/045
    • Apparatus and methods for use in completing a subterranean zone penetrated by a wellbore include a tubular member having a first segment and a second segment, each segment containing a longitudinal bore. The tubular member forms an annulus between itself and the wellbore wall. At least one screen member at least partially encloses and is coupled to a second segment of the tubular member. The screen member and the enclosed second segment of the tubular member both have openings that allow fluid communication between the longitudinal bore of the tubular member and the wellbore. The apparatus includes an alternate flowpath member having a wall, upper and lower ends, and at least one aperture in its wall. The apertures are small enough to substantially prevent passage of particulate material. The alternate flowpath member extends longitudinally along a portion of the wellbore and creates a communication path for fluid flow.
    • 用于完成由井筒渗透的地下区域的装置和方法包括具有第一段和第二段的管状构件,每个段包含纵向孔。 管状构件在其与井筒壁之间形成环形空间。 至少一个屏幕构件至少部分地包围并联接到管状构件的第二段。 筛管构件和管状构件的封闭的第二段都具有允许管状构件的纵向孔和井眼之间的流体连通的开口。 该装置包括具有壁,上端和下端以及其壁中的至少一个孔的可选流路构件。 孔径足够小以基本上防止颗粒材料的通过。 备用流路构件沿着井眼的一部分纵向延伸并且产生用于流体流动的连通路径。