专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2023072907A1 MARINE FOUNDATIONS COMPRISING SUCTION PILES 审中-公开
公开(公告)号：WO2023072907A1
公开(公告)日：2023-05-04
申请号：PCT/EP2022/079727
申请日：2022-10-25
申请人： SUBSEA 7 NORWAY AS
发明人： OLSEN, Christian Linde
IPC分类号： E02D27/52 , E02D27/42 , F03D13/20 , E02B17/02
摘要： A marine foundation such as a jacket (14) or a tripod foundation for a wind turbine (12) comprises suction piles (18) that are subjected, in service, to cyclical loading of compression phases and tension phases in alternation. Each pile has a one-way valve (32) that opens and closes autonomously in response to pressure differentials between the internal chamber (28) and the surrounding water. The valve opens during the compression phases to effect fluid communication between an internal chamber of the pile and surrounding water. Water is thereby ejected from within the chamber through the valve. Conversely, during the tension phases, the valve (32) closes and water is admitted into the pile only through soil within a skirt of the pile. Thus, a unidirectional, generally upward flow of water is driven through the soil within the skirt (26) during the compression and tension phases, maximising water flow friction and reducing the risk of liquefaction of the soil.

2. 发明申请

WO2021170689A1 MITIGATION OF BUCKLING IN SUBSEA PIPELINES 审中-公开
公开(公告)号：WO2021170689A1
公开(公告)日：2021-09-02
申请号：PCT/EP2021/054619
申请日：2021-02-24
申请人： SUBSEA 7 NORWAY AS
发明人： OLSEN, Christian Linde , FARTEIN, Thorkildsen
IPC分类号： F16L1/16 , F16L1/18 , F16L1/19 , F16L1/20 , F16L11/12
摘要： A subsea pipeline (14) has a friction-reducing outer coating, treatment or finish (30) that extends along discrete regions mutually spaced along the length of the pipeline. During laying, curvature is imparted to the pipeline (14) along its length, for example by the residual curvature method or by snake-lay, to create expansion loops (26) of increased curvature relative to intermediate portions (28) of the pipeline (14) that join those loops (26). Each of the loops (26) is coincident with a respective one of the regions that bear the friction-reducing outer coating, treatment or finish (30). This facilitates lateral movement of the loops (26) relative to the seabed (16) to mitigate and control buckling in use of the pipeline (14).

3. 发明申请

WO2017157766A1 INSTALLATION OF EMBEDDED SUBSEA FOUNDATIONS 审中-公开
标题翻译：嵌入式海底基础的安装
公开(公告)号：WO2017157766A1
公开(公告)日：2017-09-21
申请号：PCT/EP2017/055593
申请日：2017-03-09
申请人： SUBSEA 7 NORWAY AS
发明人： OLSEN, Christian Linde , WATHNE, Christian
IPC分类号： E02D27/42
摘要： A bearing surface of a subsea foundation has a low-resistance coating such as an aerogel, an aero-clay or a polymeric film. When the foundation is installed, the bearing surface is embedded in the seabed soil using the low-resistance coating to reduce resistance to movement of the bearing surface relative to the seabed soil. The coating may then dissolve or fragment away from the bearing surface or transform into a higher-resistance state while remaining on the bearing surface. These mechanisms degrade a resistance-reducing property of the coating to increase resistance to movement of the embedded bearing surface relative to the seabed soil. Suction may be applied to the foundation before or after the resistance-reducing property of the coating has substantially degraded.
摘要翻译：海底基础的承载表面具有低阻涂层，例如气凝胶，航空粘土或聚合物膜。安装地基时，轴承表面使用低阻涂层嵌入海底土壤中，以减少轴承表面相对于海床土壤运动的阻力。然后涂层可能会从轴承表面溶解或碎裂，或转变成更高电阻的状态，同时保留在轴承表面上。这些机制降低了涂层的降低阻力的性能，以增加对嵌入的支承表面相对于海床土壤的运动的阻力。
在涂层的降低电阻特性降低之前或之后，可能会对基础施加吸力

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式