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    • 1. 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。
    • 2. 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。
    • 5. 发明授权
    • Method and apparatus for gravel packing with a pressure maintenance tool
    • 用压力维护工具砾石包装的方法和装置
    • US06575246B2
    • 2003-06-10
    • US09929867
    • 2001-08-14
    • Patrick W. BixenmanSteven L. AnyanMicah L. SchutzJames A. Pramann, II
    • Patrick W. BixenmanSteven L. AnyanMicah L. SchutzJames A. Pramann, II
    • E21B4304
    • E21B43/045E21B34/12E21B43/04E21B2034/002
    • A method and apparatus for performing a gravel pack operation includes a bypass mechanism (e.g., a bypass valve) that is actuatable between plural positions. The bypass mechanism is part of a tool assembly, with the bypass mechanism providing different flow paths through the tool assembly corresponding to the plural positions of the bypass mechanism. For example, if the bypass mechanism is in a first position, an elevated pressure is communicated from an annular region outside a tool string to a target wellbore section. On the other hand, if the bypass mechanism is in the second position, the elevated pressure is communicated from inside the tool string to the target wellbore section. In either position, an overbalance condition is maintained in the target wellbore section so that swabbing effects are reduced or eliminated due to movement of the tool assembly during a gravel pack operation.
    • 用于执行砾石包装操作的方法和装置包括可在多个位置之间致动的旁通机构(例如旁通阀)。 旁通机构是工具组件的一部分,旁通机构提供与通过旁路机构的多个位置对应的工具组件的不同流动路径。 例如,如果旁通机构处于第一位置,则提高的压力从工具串外部的环形区域连通到目标井筒部分。 另一方面,如果旁通机构处于第二位置,则升高的压力从工具串内部传递到目标井筒部。 在任一位置,在目标井筒部分中保持过度平衡状态,使得由于工具组件在砾石充填操作期间的移动而减少或消除擦拭效应。
    • 7. 发明授权
    • Split mesh end ring
    • 分割网格端环
    • US06343791B1
    • 2002-02-05
    • US09375195
    • 1999-08-16
    • Steven L. AnyanThomas E. Johnson
    • Steven L. AnyanThomas E. Johnson
    • E21B33128
    • E21B33/1216E21B33/128
    • The present invention generally provides a seal assembly, or seal array, having a seal body and one or more non-extrusion end rings to prevent or minimize extrusion of the seal body between either the packer assembly and the casing or between the packer assembly and the gauge ring used to energize the seal assembly. More particularly, the end ring of the present invention has discrete deformable portions, which may be integrally encapsulated within a resilient cover or which may be provided as separate end ring members. The discrete deformable portions may further be provided with a deformable hinge portion formed therebetween.
    • 本发明通常提供一种密封组件或密封阵列,其具有密封体和一个或多个非挤出端环,以防止或最小化密封体在封隔器组件和壳体之间或封隔器组件与封盖组件之间的挤压 用于给密封组件通电的量规环。 更具体地说,本发明的端环具有离散的可变形部分,其可以整体地封装在弹性盖中,或者可以设置为单独的端环构件。 离散的可变形部分还可以设置有形成在其间的可变形铰链部分。