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    • 15. 发明授权
    • Intelligent production riser
    • 智能生产立管
    • US06253855B1
    • 2001-07-03
    • US09467438
    • 1999-12-20
    • Kashmir Singh JohalAnthony Robert Cousins
    • Kashmir Singh JohalAnthony Robert Cousins
    • E21B1701
    • E21B17/01E21B17/015E21B43/122E21B43/36
    • A production riser that provides the benefits of a slug catcher, riser based gas lift, and multiphase meter in a single device and is suited to both shallow and deep-water oil/gas field developments. The riser is formed from a pipe within a pipe. The inner pipe provides the path for the production fluids. Perforations are provided near the base and top of the inner pipe. The top of the annulus between the pipes is closed and is in fluid communication with a gas supply/compression system via an isolation control valve/choke. The bottom of the annulus is closed. Three sets of pressure and temperature transducer transmitters are installed at the top, center, and base of the riser through the outer pipe wall.
    • 一个生产立管,在单个设备中提供了一个集渣捕获器,立管式气举和多相流量计的优点,适用于浅层和深水油气田开发。 提升管由管道内的管道形成。 内管提供生产流体的路径。 在内管的基部和顶部附近提供穿孔。 管道之间的环形顶部封闭,并通过隔离控制阀/扼流圈与气体供应/压缩系统流体连通。 环的底部是封闭的。 三套压力和温度传感器变送器通过外管壁安装在提升管的顶部,中心和底部。