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    A SYSTEM AND METHOD FOR LAYING CABLES AND THE LIKE THROUGH FLUID PIPES
    8.
    发明公开
    A SYSTEM AND METHOD FOR LAYING CABLES AND THE LIKE THROUGH FLUID PIPES 审中-公开

    公开(公告)号：EP3375060A1

    公开(公告)日：2018-09-19

    申请号：EP16813109.2

    申请日：2016-11-11

    申请人： Craley Group Limited

    发明人： PARKER, Michael

    IPC分类号： H02G1/08 ,  F16L7/02

    CPC分类号： H02G1/086 ,  F16L7/02 ,  H02G1/081

    摘要： A pipe (100) comprises a first connector fitting (102) and a second connector fitting (104) downstream of the first. The fluid pressure within the pipe (100) is substantially equalised to the air pressure within the first connector fitting (102). Then a draw wire (4), fitted with a sail structure (6) is inserted through the first connector fitting (102). Fluid flow within the pipe (100) acts upon the sail structure 6 to move the draw wire (4) along the pipe (100) in towards the second connector fitting (104) where an extraction member (108) is inserted. The extraction member (108) is used to withdraw the draw wire (14) through the second connector fitting (104). The draw wire (4) is attached to a first end of a micro-duct (110) and thus a pulling mechanism (114) can act on the draw wire 4 to introduce the micro-duct (110) into the pipe (100) between the connector fittings (102, 104).

    TERMINATION BULKHEADS FOR SUBSEA PIPE-IN-PIPE SYSTEMS
    9.
    发明公开
    TERMINATION BULKHEADS FOR SUBSEA PIPE-IN-PIPE SYSTEMS 审中-公开
    用于海底管道系统的终端散热座

    公开(公告)号：EP3254012A1

    公开(公告)日：2017-12-13

    申请号：EP16715607.4

    申请日：2016-01-27

    申请人： Acergy France SAS

    发明人： NATHALIE, Delaunay ,  GÉRALD, Gerometta

    IPC分类号： F16L1/16 ,  F17D1/18 ,  F16L53/00 ,  F16L9/18 ,  F16L1/12 ,  F16L59/065 ,  E21B17/01 ,  F16L7/00

    摘要： A pipe-in-pipe assembly with thermally-insulating spacers positioned in an annulus to act radially between inner and outer pipes is disclosed. The spacers have at least one circumferentially-extending array of circumferentially-spaced ribs that define longitudinally-extending passageways in gaps between neighbouring ribs of the array. Cables including heating elements extend longitudinally along the annulus outside the inner pipe. The cables extend longitudinally along the passageways. At least one insulation layer disposed radially outboard of the cables has insulating elements disposed in the gaps between the ribs and/or an insulating layer extending around the inner pipe, positioned radially outboard of the ribs and bridging the gaps. Bands encircle and retain components of the insulation layer. Insulation may also be disposed on the inner pipe between first and second arrays of ribs, those arrays being spaced longitudinally from each other.