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    • 3. 发明授权
    • Debris free valve apparatus
    • 无破碎阀装置
    • US06732803B2
    • 2004-05-11
    • US09754464
    • 2001-01-04
    • Christian D. GarciaStephane J. VirallySteven L. AnyanPatrick W. Bixenman
    • Christian D. GarciaStephane J. VirallySteven L. AnyanPatrick W. Bixenman
    • E21B3414
    • E21B34/06E21B34/103E21B34/14E21B2034/005
    • The present invention provides an apparatus for use in completing a subterranean zone penetrated by a wellbore. One aspect of the invention comprises a housing member with a longitudinal bore and a valve member located within the housing member that is movable between open and closed positions. A sliding sleeve having a longitudinal bore is disposed within the housing member and can move between an upper position and a lower position. Attached to the sliding sleeve is a seating element where the valve member can seat. When the sliding sleeve is in the lower position, the valve member is held in the open position and communication is established between the longitudinal bore of the housing above and below the valve member. When the sliding sleeve is in the upper position, the valve member is held in the closed position and communication between the longitudinal bore of the housing above and below the valve member is restricted.
    • 本发明提供一种用于完成井眼穿透的地下区域的装置。 本发明的一个方面包括具有纵向孔的壳体构件和位于壳体构件内的可在打开位置和关闭位置之间移动的阀构件。 具有纵向孔的滑动套筒设置在壳体构件内并可在上部位置和下部位置之间移动。 附着在滑动套筒上的是阀构件可以座的座位元件。 当滑动套筒处于下部位置时,阀构件被保持在打开位置,并且在阀构件的上下方向上的纵向孔之间建立连通。 当滑动套筒处于上部位置时,阀构件被保持在关闭位置,并且阀构件的上下方向上的纵向孔之间的连通被限制。
    • 4. 发明授权
    • Debris-free valve apparatus and method of use
    • 无破碎阀装置及使用方法
    • US06808020B2
    • 2004-10-26
    • US09929499
    • 2001-08-14
    • Christian D. GarciaStephane J. VirallySteven L. AnyanPatrick W. Bixenman
    • Christian D. GarciaStephane J. VirallySteven L. AnyanPatrick W. Bixenman
    • E21B3414
    • E21B34/103E21B34/06E21B34/14E21B2034/005
    • The present invention provides an apparatus for use in completing a subterranean zone penetrated by a wellbore. One aspect of the invention comprises a housing member with a longitudinal bore and a valve member located within the housing member that is movable between open and closed positions. A sliding sleeve having a longitudinal bore is disposed within the housing member and can move between an upper position and a lower position. Attached to the sliding sleeve is a seating element where the valve member can seat. When the sliding sleeve is in the lower position, the valve member is held in the open position and communication is established between the longitudinal bore of the housing above and below the valve member. When the sliding sleeve is in the upper position, the valve member is held in the closed position and communication between the longitudinal bore of the housing above and below the valve member is restricted.
    • 本发明提供一种用于完成井眼穿透的地下区域的装置。 本发明的一个方面包括具有纵向孔的壳体构件和位于壳体构件内的可在打开位置和关闭位置之间移动的阀构件。 具有纵向孔的滑动套筒设置在壳体构件内并可在上部位置和下部位置之间移动。 附着在滑动套筒上的是阀构件可以座的座位元件。 当滑动套筒处于下部位置时,阀构件保持在打开位置,并且在阀构件的上下方向上的纵向孔之间建立连通。 当滑动套筒处于上部位置时,阀构件保持在关闭位置,并且阀构件的上下方向上的纵向孔之间的连通被限制。