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公开(公告)号：EP3014141A2
公开(公告)日：2016-05-04
申请号：EP14790705.9
申请日：2014-06-23
申请人： Acergy France SAS
摘要： A pipeline including an accessory such as a flowline end termination or an in-line tee is lowered to the seabed and a mudmat foundation is subsequently lowered toward the seabed for subsea docking with the accessory to provide a permanent foundation support for the accessory. Once docked and with a mudmat of the foundation landed on the seabed, weight loads of the accessory structure and the attached pipe are transferred to the mudmat to provide a permanent foundation for the accessory structure. Before and during installation of the mudmat foundation, the pipe may be allowed to become embedded in the seabed. Temporary interim support such as buoyancy may be provided to the accessory to limit embedment into the seabed.
摘要翻译： 包括诸如流线端接或附件三通的附件的管道被降低到海底，并且随后将泥浆基础朝向海底降低以与附件进行海底对接，以为附件提供永久的基础支撑。 一旦停靠，并将基础泥土沉降在海床上，附件结构和连接管道的重量载荷被转移到泥浆淤泥，为附件结构提供永久的基础。 在泥土基础安装前和安装期间，管道可能被允许嵌入海底。 可以向附件提供诸如浮力的临时临时支持以限制嵌入海底。
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公开(公告)号：EP3152474B1
公开(公告)日：2018-11-21
申请号：EP15766237.0
申请日：2015-06-01
申请人： Acergy France SAS
CPC分类号： F16L53/38 , E21B17/003 , E21B36/003 , E21B36/04 , E21B47/0001 , E21B47/065 , F16L41/021 , F16L41/023 , F16L59/163
摘要： A flowline branch structure (10) has at least one inner branch assembly with an inner flowline branch and at least one inner flowline pipe attached to and communicating with the inner flowline branch. At least one outer branch assembly (12) of the flowline branch structure has an outer branch housing disposed around the inner flowline branch and at least one outer pipe (14) disposed around the inner flowline pipe and attached to the outer branch housing. A generally annular space is defined between the inner and outer branch assemblies. At least one wiring element including an electrical heating element is disposed in the sealed space on an outer side of the inner branch assembly. The, or each, wiring element extends in one continuous length across an interface between the inner flowline pipe and the inner flowline branch. This reduces the number of connections necessary to create the flowline branch structure.
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公开(公告)号：EP3014141B1
公开(公告)日：2018-08-15
申请号：EP14790705.9
申请日：2014-06-23
申请人： Acergy France SAS
摘要： A pipeline including an accessory such as a flowline end termination or an in-line tee is lowered to the seabed and a mudmat foundation is subsequently lowered toward the seabed for subsea docking with the accessory to provide a permanent foundation support for the accessory. Once docked and with a mudmat of the foundation landed on the seabed, weight loads of the accessory structure and the attached pipe are transferred to the mudmat to provide a permanent foundation for the accessory structure. Before and during installation of the mudmat foundation, the pipe may be allowed to become embedded in the seabed. Temporary interim support such as buoyancy may be provided to the accessory to limit embedment into the seabed.
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4.发明公开BRANCH STRUCTURES OF ELECTRICALLY-HEATED PIPE-IN-PIPE FLOWLINES 审中-公开VERZWEIGTE STRUKTUREN VON ELEKTRISCH BEHEIZBAREN ROHR-IN-ROHR-STRÖMUNGSLEITUNGEN
公开(公告)号：EP3152474A1
公开(公告)日：2017-04-12
申请号：EP15766237.0
申请日：2015-06-01
申请人： Acergy France SAS
CPC分类号： F16L53/38 , E21B17/003 , E21B36/003 , E21B36/04 , E21B47/0001 , E21B47/065 , F16L41/021 , F16L41/023 , F16L59/163
摘要： A flowline branch structure (10) has at least one inner branch assembly with an inner flowline branch and at least one inner flowline pipe attached to and communicating with the inner flowline branch. At least one outer branch assembly (12) of the flowline branch structure has an outer branch housing disposed around the inner flowline branch and at least one outer pipe (14) disposed around the inner flowline pipe and attached to the outer branch housing. A generally annular space is defined between the inner and outer branch assemblies. At least one wiring element including an electrical heating element is disposed in the sealed space on an outer side of the inner branch assembly. The, or each, wiring element extends in one continuous length across an interface between the inner flowline pipe and the inner flowline branch. This reduces the number of connections necessary to create the flowline branch structure.
摘要翻译： 流线分支结构（10）具有至少一个内部分支组件，其具有内部流动分支和至少一个内部流动管线，所述至少一个内部流动管线附接到内部流动分支并与其连通。 流线分支结构的至少一个外分支组件（12）具有围绕内流线分支设置的外分支壳体和设置在内流管线管周围并连接到外分支壳体的至少一个外管（14）。 在内部和外部分支组件之间限定一个大致环形的空间。 包括电加热元件的至少一个布线元件设置在内分支组件的外侧上的密封空间中。 布线元件或每个布线元件在一个连续的长度上延伸穿过内部流动管线和内部流动线分支之间的界面。 这减少了创建流线分支结构所需的连接数。
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