SUBSEA AUTOMOTIVE SYSTEM TRAVELLING ALONG A PIPELINE

    公开(公告)号:US20240116611A1

    公开(公告)日:2024-04-11

    申请号:US18546058

    申请日:2022-02-11

    申请人: EXAIL

    发明人: Sébastien GRALL

    IPC分类号: B63G8/00 F16L1/235

    摘要: Disclosed is a subsea automotive system including a unit for moving coaxially along a pipeline, an elongated body, at least three bearing members each bearing in a mobile, rolling or sliding manner on the pipeline to roll/slide in a stable manner at least parallel to the pipeline, an articulated side arm supporting a bearing member, enabling the bearing member to move transversely to the body between an open position for installing the system on the pipeline and uninstalling the system, and also an operating position in which the bearing member supported by the articulated arm is folded back to bear against the pipeline to form, with the other bearing members, a movable connection between the body and pipeline, at least three of the bearing members applied, in the operating position, to the pipeline in radial directions angularly offset about the axis of the pipe and separate from one another.

    Fatigue monitoring of coiled tubing in downline deployments

    公开(公告)号:US11761322B2

    公开(公告)日:2023-09-19

    申请号:US17657762

    申请日:2022-04-04

    发明人: Galen Roy Hebert

    摘要: Methods for real-time coiled tubing fatigue monitoring can establish a remaining operational life of a coiled tubing strand. Standard or low-cycle plastic fatigue in bending is measured each time the coiled tubing strand is deployed through a guide arch. Also, smaller, but higher frequency loads, e.g., high cycle loads imparted to the coiled tubing strand due to interaction with an oceanic environment, are also measured. A plurality of weight detectors may be coupled to a support frame below the guide for monitoring the high-cycle loads. The remaining operational life of the coiled tubing strand may be calculated based on both the plastic strains using a low-cycle fatigue analysis and the elastic strains using a high-cycle fatigue analysis. An operator may retire a coiled tubing strand prior to failure based on the calculated remaining operational life.

    Method and system for laying a pipeline on the bed of a body of water

    公开(公告)号:US11578817B2

    公开(公告)日:2023-02-14

    申请号:US17275564

    申请日:2019-09-17

    申请人: SAIPEM S.p.A.

    发明人: Mauro Pigliapoco

    IPC分类号: F16L1/16 F16L1/12 F16L1/235

    摘要: A method for laying a pipeline on the bed of a body of water comprises assembling a pipeline on a laying vessel; launching the pipeline from the laying vessel; identifying a zone of the bed of the body of water that causes stresses greater than a threshold value determined for the pipeline; progressively laying the pipeline on the bed of the body of water by advancing the laying vessel; and making, through controlled plastic deformation, at least one curved section along the pipeline with a curvature concordant with the curvature assumed by the pipeline in proximity to said zone, when the pipeline is at least partly laid on the bed of the body of water and partly suspended with respect to the bed of the body of water in proximity to said zone.

    Method and system for laying a submarine pipeline

    公开(公告)号:US11549614B2

    公开(公告)日:2023-01-10

    申请号:US16614590

    申请日:2018-05-25

    申请人: SAIPEM S.P.A.

    摘要: A method of laying an off-shore pipeline (1) comprises: —installing on the seabed (3) a fixed receiving structure (4) having a redirecting device (5), —paying-out from a laying vessel (7) a pipeline (1) with the pipeline end termination device (9) vertically towards the seabed (3), —extending a damping cable (6) from the pipeline end termination device (9) through the redirecting device (5) to an underwater damping buoy (14), —connecting an underwater suspension buoy (15) to the pipeline end termination device (9), —inclining the pipeline (1) from a vertical orientation towards the horizontal orientation, using: —the suspension buoy (14) to counterbalance at least part of the weight of the pipeline end termination device (9), —the damping buoy (14) for damping the pipeline (1).

    Tower with integrated winch
    5.
    发明授权

    公开(公告)号:US10995880B2

    公开(公告)日:2021-05-04

    申请号:US16484133

    申请日:2018-02-13

    发明人: Nigel John Urwin

    IPC分类号: F16L1/235 F16L1/20 B66D1/74

    摘要: A tower for a pipe laying system comprises a frame with a leg to support the frame, and a winch support integrally formed with the leg. The winch support is able to receive and support a winch and/or winch components. The winch support can be formed in a lower portion of the tower leg.

    Offshore vessel, marine pipeline installation system and method

    公开(公告)号:US10527195B2

    公开(公告)日:2020-01-07

    申请号:US15570002

    申请日:2016-03-31

    申请人: ITREC B.V.

    摘要: A vessel is adapted to perform subsea wellbore related operations including module handling and laying flexible pipeline, e.g. wellbore intervention. The vessel includes a hull with a moonpool and a stationary drilling mast adjacent said moonpool. The front side of the drilling mast is provided with vertical trolley rails along which—during module handling—a module handling trolley is movable. Further one or more tensioners are provided to engage a flexible pipeline, also being supported by the by the drilling mast. The tensioner frame of a tensioner is mounted pivotably about a vertical pivot axis to the drilling mast, such that the tensioner frame is pivotable between the pipeline laying configuration wherein the lower tensioner is provided in the module handling area and an open configuration wherein a vertical trolley path is unobstructed to allow module handling.