Method and apparatus for constructing a forwarding database for a data communications network
    87.
    发明授权
    Method and apparatus for constructing a forwarding database for a data communications network 有权
    用于构建数据通信网络的转发数据库的方法和装置

    公开(公告)号:US07969995B2

    公开(公告)日:2011-06-28

    申请号:US11211105

    申请日:2005-08-23

    CPC classification number: H04L45/54 H04L45/02

    Abstract: A method of constructing a forwarding database for a data communications network comprising a plurality of network components and supporting at least first and second topologies having one or more common network components is described. The forwarding database includes at least first and second database structures having records including forwarding information for data destined for related network components in the respective topologies. Each database structure has a plurality of elements including a pointer to one of a succeeding element or a record including said forwarding information. The method comprises the step, performed at a constructing network component of identifying a network component common to the first and second topologies for which a record exists in the second database structure. The method further comprises the step of including a pointer from the related element in the first database structure to a corresponding element or record in the second database structure.

    Abstract translation: 描述了构建包括多个网络组件并且支持具有一个或多个公共网络组件的至少第一和第二拓扑的数据通信网络的转发数据库的方法。 转发数据库至少包括具有记录的至少第一和第二数据库结构,包括用于相应拓扑中的相关网络组件的数据的转发信息。 每个数据库结构具有多个元素,包括指向后续元素之一的指针或包括所述转发信息的记录。 该方法包括以下步骤:在构建网络组件处执行识别在第二数据库结构中存在记录的第一和第二拓扑共同的网络组件。 该方法还包括将来自第一数据库结构中的相关元素的指针包括到第二数据库结构中的相应元素或记录的步骤。

    Shock-release fluid fracturing method and apparatus
    88.
    发明授权
    Shock-release fluid fracturing method and apparatus 有权
    冲击流体压裂方法及装置

    公开(公告)号:US07810570B2

    公开(公告)日:2010-10-12

    申请号:US11552889

    申请日:2006-10-25

    CPC classification number: E21B43/26 E21B43/006

    Abstract: A shock tool is adapted to a bottom hole tool assembly for isolating a zone in a subterranean formation accessed by a wellbore. Fracturing fluid such as nitrogen is accumulated at fracturing pressures uphole of the shock tool for subsequent and rapid release to the formation. The tool assembly can be suspended from a conveyance string in which fluid is accumulated for shock release through a valve of the shock tool and through an injection tool to the zone isolated by the injection tool. After a first zone is shocked, the tool assembly can be moved to a new zone, or multiple shocks can be applied cyclically at the selected zone.

    Abstract translation: 冲击工具适用于用于隔离由井筒访问的地下地层中的区域的井底工具组件。 压裂液如氮气在冲击工具的压裂压力下积聚,以便随后快速释放到地层。 工具组件可以从其中积聚流体的传送绳悬挂,以通过冲击工具的阀进行冲击释放,并通过注射工具到由注射工具隔离的区域。 在第一个区域被震动之后,工具组件可以移动到新的区域,或者可以在所选择的区域周期地施加多个冲击。

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