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    • 8. 发明申请
    • Method and System for Inserting a Fiber Optical Sensing Cable Into an Underwater Well
    • 将光纤传感电缆插入水下井的方法和系统
    • US20080314579A1
    • 2008-12-25
    • US11631736
    • 2005-07-06
    • Johannis Josephus Den BoerKari-Mikko Jaaskelainen
    • Johannis Josephus Den BoerKari-Mikko Jaaskelainen
    • E21B33/076E21B23/08
    • E21B33/076E21B19/002E21B23/08E21B23/14E21B47/123
    • A fiber optical sensing cable is inserted into an underwater well by: connecting a housing (12A) comprising a coiled or spooled U-shaped fiber optical sensing cable (21) to the wellhead (2) of the well (1) such that an opening (14) in the wall of the housing (12A) is connected to a guide tube (15) extending into the underwater well (1); —inserting the U-shaped nose section (21A) of the fiber optical sensing cable (21) via the opening (14) into the guide tube (15), thereby uncoiling at least part of a pair of substantially parallel sections of the fiber optical sensing cable of which the lower ends are interconnected by the U-shaped nose section; and connecting the upper ends (21B) of the substantially parallel sections of the fiber optical sensing cable to an optical signal transmission and/or receiving unit via e.g. a pair of wet mateable connectors that are connected to a pair of underwater fiber optical transmission cables (14).
    • 纤维光学传感电缆通过以下方式插入到水下井中:将包括盘绕或卷绕的U形光纤传感电缆(21)的壳体(12A)连接到井(1)的井口(2),使得开口 在壳体(12A)的壁中的(14)连接到延伸到水下井(1)中的引导管(15); - 经由所述开口(14)将所述光纤传感电缆(21)的所述U形鼻部(21A)插入所述引导管(15)中,从而将所述光纤的一对基本上平行的部分的至少一部分 传感电缆,其下端通过U形鼻部部分相互连接; 以及通过例如光纤信号传输和/或接收单元将光纤传感电缆的基本上平行的部分的上端(21B)连接到光信号传输和/或接收单元。 连接到一对水下光纤传输电缆(14)上的一对可湿式可匹配连接器。