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    TENDON ELEMENT FOR ABANDONMENT AND RECOVERY OF PIPELINES
    6.
    发明公开
    TENDON ELEMENT FOR ABANDONMENT AND RECOVERY OF PIPELINES 审中-公开

    公开(公告)号：EP3534049A1

    公开(公告)日：2019-09-04

    申请号：EP19161723.2

    申请日：2014-02-06

    申请人： Subsea 7 Limited

    发明人： CRUICKSHANK, John Duncan

    IPC分类号： F16L1/14 ,  F16L1/16 ,  F16L1/20 ,  F16L1/19 ,  F16L1/23 ,  F16L1/26 ,  F16L1/235

    摘要： A tendon element (36) is cooperable with other tendon elements to form an abandonment or recovery string. The tendon element (36) is elongate to define opposed ends, and comprises: complementary connector formations (62, 64) at respective ends, each connector formation being cooperable, in use when forming a string, with a complementary connector formation of a neighbouring tendon element (36) in the string; a tensile load-bearing member (66) extending between the connector formations; and at least one sleeve (68) removably mounted around the load-bearing member. The sleeve (68) is arranged to be handled by pipe-joint handling apparatus associated with a J-lay tower.

    CONNECTION AND DISCONNECTION OF HYDRAULIC EQUIPMENT IN HYPERBARIC ENVIRONMENTS
    8.
    发明授权
    CONNECTION AND DISCONNECTION OF HYDRAULIC EQUIPMENT IN HYPERBARIC ENVIRONMENTS 有权

    公开(公告)号：EP3068687B1

    公开(公告)日：2018-08-15

    申请号：EP14812783.0

    申请日：2014-11-12

    申请人： Subsea 7 Limited

    发明人： TAYLOR, Robert, Ian ,  GIBBONS, Graham

    IPC分类号： B63C11/52 ,  E21B41/00

    CPC分类号： E21B41/0007 ,  B63C11/52 ,  E21B41/04

    摘要： A hydraulically-powered subsea tool system has a tool (26) and a tool power unit (12). The tool (26) communicates with a first connector element (30) on a hydraulic drive circuit (82). The tool power unit (12) has a hydraulic supply circuit (88) communicating with a second connector element (20). The connector elements are wet-mated with each other to connect the circuits for powering the tool. The circuits are pressure-compensated by respective compensators (136,90). When the circuits are connected, a valve (140) is operable to transfer pressure compensation of one of the circuits from the compensator (136) of that circuit to the compensator (90) of the other circuit. The valve (140) suitably transfers pressure compensation of the drive circuit from a drive circuit compensator to a supply circuit compensator.

    TESTING THE BENDING BEHAVIOUR OF RIGID PIPES
    10.
    发明公开
    TESTING THE BENDING BEHAVIOUR OF RIGID PIPES 审中-公开
    测试刚性管的弯曲性能

    公开(公告)号：EP3227660A1

    公开(公告)日：2017-10-11

    申请号：EP15817502.6

    申请日：2015-12-02

    申请人： Subsea 7 Limited

    发明人： COX, Norman

    IPC分类号： G01N3/20 ,  G01N3/08

    CPC分类号： G01N3/20 ,  G01N3/08

    摘要： A pipe-bending rig has an anchorage for holding a proximal end of a pipe and a bending former that presents a convex forming surface toward a side of a pipe when the pipe is held by the anchorage to extend distally from the anchorage. A pipe-bending drive exerts lateral force on the pipe to deflect a distal end of the pipe, which effects plastic bending of the pipe along its length against the forming surface. A carriage is movable along a path with respect to the anchorage and the bending former during deflection of the distal end of the pipe. A link carried by the carriage applies distal force to the pipe to impart longitudinal tension to the pipe as the pipe is being bent against the forming surface.

    摘要翻译： 弯管机包括用于保持管的近端的锚定件和弯曲成形器，弯曲成形器在管被锚定件保持以从锚定件向远侧延伸时朝向管的侧面呈现凸形成形表面。 弯管驱动器在管道上施加侧向力以偏转管道的远端，这导致管道沿着其长度对着成形表面的塑性弯曲。 在管的远端偏转期间，滑架可沿着相对于锚固件和弯曲成形器的路径移动。 由管道承载的连杆将远侧力施加到管道，以在管道相对于成形表面弯曲时向管道施加纵向张力。