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1. 发明授权

EP3164630B1 TOWABLE SUBSEA OIL AND GAS PRODUCTION SYSTEMS 失效转让
标题翻译：可移动的海上石油和天然气生产系统
公开(公告)号：EP3164630B1
公开(公告)日：2018-03-14
申请号：EP15747508.8
申请日：2015-07-02
申请人： Subsea 7 Limited
发明人： GOODLAD, Martin Alexander , GARDEN, Keith Scott , DICKEN, Robert
IPC分类号： F16L1/16 , F16L1/24 , F16L9/19
CPC分类号： F16L1/163 , F16L1/165 , F16L1/24 , F16L9/19 , F16L9/20
摘要： A towable pipeline bundle for installation underwater at a subsea oil or gas production site has two or more bundled elongate elements, at least one of which is a flowline for carrying production fluid along the bundle. A rigid buoyancy pipe of polymer-composite material extends along and supports the bundled elongate elements. The buoyancy pipe has an internal buoyancy chamber and at least one port for introducing fluid into the buoyancy chamber. The buoyancy pipe is arranged to have positive buoyancy in seawater when its buoyancy chamber contains a fluid less dense than seawater. In this way, the buoyancy pipe confers substantially neutral buoyancy on a towable unit comprising the bundle. The unit can then be towed in mid-water to the production site and lowered there onto the seabed.

2. 发明公开

EP3164630A1 TOWABLE SUBSEA OIL AND GAS PRODUCTION SYSTEMS 失效转让
标题翻译：可移动的海上石油和天然气生产系统
公开(公告)号：EP3164630A1
公开(公告)日：2017-05-10
申请号：EP15747508.8
申请日：2015-07-02
申请人： Subsea 7 Limited
发明人： GOODLAD, Martin Alexander , GARDEN, Keith Scott , DICKEN, Robert
IPC分类号： F16L1/16
CPC分类号： F16L1/163 , F16L1/165 , F16L1/24 , F16L9/19 , F16L9/20
摘要： A towable pipeline bundle for installation underwater at a subsea oil or gas production site has two or more bundled elongate elements, at least one of which is a flowline for carrying production fluid along the bundle. A rigid buoyancy pipe of polymer-composite material extends along and supports the bundled elongate elements. The buoyancy pipe has an internal buoyancy chamber and at least one port for introducing fluid into the buoyancy chamber. The buoyancy pipe is arranged to have positive buoyancy in seawater when its buoyancy chamber contains a fluid less dense than seawater. In this way, the buoyancy pipe confers substantially neutral buoyancy on a towable unit comprising the bundle. The unit can then be towed in mid-water to the production site and lowered there onto the seabed.
摘要翻译：用于在海底油或气生产现场安装在水下的可拖曳管线束12包括两个或更多个集束的细长元件，其中至少一个是用于沿着束12运送生产流体的流线36,40。刚性浮力管34，聚合物复合材料38沿着并且支撑捆扎的细长元件。浮力管34,38具有内部浮力室和至少一个用于将流体引入浮力室的端口。浮力管34,38布置成当其浮力室包含比海水密度小的流体时在海水中具有正浮力。这样，浮力管34,38赋予包括束12的可牵引单元上基本上中性的浮力。然后该单元可以在水中被牵引到生产地点并且在那里降落到海床上。

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