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    • 1. 发明授权
    • Gas lift apparatus for flushing and snubbing well
    • 用于冲洗和缓冲的气举装置
    • US07770634B2
    • 2010-08-10
    • US12250511
    • 2008-10-13
    • Yu LeiYong LiQiang WangZhenghua WuZhimin XuZhensong WangMeijuan Suo
    • Yu LeiYong LiQiang WangZhenghua WuZhimin XuZhensong WangMeijuan Suo
    • E21B43/16
    • E21B43/122E21B43/123
    • A gas lift production apparatus is provided for use in flushing and snubbing well operation. The apparatus comprises upper production string and lower production string. The upper production string includes at least one side pocket mandrel carrying a gas lift valve, tubular strings connected with every side pocket mandrel, a sliding sleeve installed as part of the production string below side pocket mandrels and a latch seal assembly threaded in the tubular string below the sliding sleeve. The lower production string includes a single bore packer below the latch seal assembly, tubular strings, a landing nipple and a bell mouth at the bottom of the production string. The upper production string are run in and removed as a single unit from the packer which is anchored within the well casing. It is emphasized that this apparatus is provided with three functions such as producing a gas lift well, flushing well and snubbing well operation. Application of the apparatus will prevent flushing or killing fluid from polluting the reservoir and increase production efficiency.
    • 提供一种用于冲洗和冲洗井操作的气举生产设备。 该装置包括上部生产线和较低的生产线。 上部生产线包括至少一个承载气举阀的侧袋心轴,与每个侧袋心轴连接的管状串,作为生产线的一部分安装在侧袋心轴下方的滑动套筒和螺纹连接在管柱中的闩锁密封组件 滑动套筒下方。 较低的生产线包括在锁紧密封组件下方的单孔封隔器,管状串,降落接头和在生产线底部的喇叭口。 上部生产线作为锚定在井套管内的封隔器作为单个单元运行和移除。 要强调的是,该装置具有产生气举井,冲洗井和缓冲井操作三种功能。 该设备的应用将防止冲洗或杀死液体污染储层,提高生产效率。
    • 2. 发明申请
    • GAS LIFT APPARATUS FOR FLUSHING AND SNUBBING WELL
    • 用于冲洗和钻孔的气体升降装置
    • US20090114383A1
    • 2009-05-07
    • US12250511
    • 2008-10-13
    • Yu LeiYong LiQiang WangZhenghua WuZhimin XuZhensong WangMeijuan Suo
    • Yu LeiYong LiQiang WangZhenghua WuZhimin XuZhensong WangMeijuan Suo
    • E21B17/043E21B34/14E21B23/08
    • E21B43/122E21B43/123
    • A gas lift production apparatus is provided for use in flushing and snubbing well operation. The apparatus comprises upper production string and lower production string. The upper production string includes at least one side pocket mandrel carrying a gas lift valve, tubular strings connected with every side pocket mandrel, a sliding sleeve installed as part of the production string below side pocket mandrels and a latch seal assembly threaded in the tubular string below the sliding sleeve. The lower production string includes a single bore packer below the latch seal assembly, tubular strings, a landing nipple and a bell mouth at the bottom of the production string. The upper production string are run in and removed as a single unit from the packer which is anchored within the well casing. It is emphasized that this apparatus is provided with three functions such as producing a gas lift well, flushing well and snubbing well operation. Application of the apparatus will prevent flushing or killing fluid from polluting the reservoir and increase production efficiency.
    • 提供一种用于冲洗和冲洗井操作的气举生产设备。 该装置包括上部生产线和较低的生产线。 上部生产线包括至少一个承载气举阀的侧袋心轴,与每个侧袋心轴连接的管状串,作为生产线的一部分安装在侧袋心轴下方的滑动套筒和螺纹连接在管柱中的闩锁密封组件 滑动套筒下方。 较低的生产线包括在锁紧密封组件下方的单孔封隔器,管状串,降落接头和在生产线底部的喇叭口。 上部生产线作为锚定在井套管内的封隔器作为单个单元运行和移除。 要强调的是,该装置具有产生气举井,冲洗井和缓冲井操作三种功能。 该设备的应用将防止冲洗或杀死液体污染储层,提高生产效率。