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2024
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Invention
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Protecting subsea structures. An elongate subsea element, such as a pipeline, is covered by a ser... |
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2023
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Invention
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Installation of subsea risers. A steep-configuration subsea riser is installed by supporting an e... |
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Invention
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Connections to subsea electrical equipment. A pivoting cable connection for a subsea equipment un... |
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Invention
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Assembly, transportation and installation of floating wind turbines. A spar-type floating offshor... |
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2022
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Invention
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Installation and removal of subsea foundations. An underwater pile foundation comprises a pump in... |
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Invention
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Subsea hydrogen storage system.
A subsea unit suitable for storing hydrogen gas underwater compr... |
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Invention
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Subsea hydrogen storage system. A subsea unit suitable for storing hydrogen gas underwater compri... |
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Invention
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Marine foundations comprising suction piles. A marine foundation such as a jacket (14) or a tripo... |
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2021
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Invention
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Storage of fluids underwater.
A subsea fluid storage system comprises: a seabed foundation; a te... |
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Invention
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Storage of fluids underwater. A subsea fluid storage system comprises: a seabed foundation; a ten... |
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Invention
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Subsea fluid storage unit. A modular subsea fluid storage unit comprises a variable-volume inner ... |
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Invention
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Modifying seabed contours. In preparation for installing subsea infrastructure such as a pipeline... |
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Invention
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Lifting systems for subsea pipelines.
A lifting system (10) for a subsea pipeline (18) comprises... |
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Invention
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Lifting systems for subsea pipelines. A lifting system (10) for a subsea pipeline (18) comprises ... |
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Invention
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Mitigation of buckling in subsea pipelines.
A subsea pipeline (14) has a friction-reducing outer... |
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Invention
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Mitigation of buckling in subsea pipelines. A subsea pipeline (14) has a friction-reducing outer ... |
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2020
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Invention
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Generation of electrical power offshore.
A floating power-generation group comprises a floating ... |
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Invention
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Generation of electrical power offshore. A floating power-generation group comprises a floating h... |
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Invention
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Launching pipeline pigs.
A pipeline pig is launched by directing a flow of fluid to, and through... |
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Invention
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Launching pipeline pigs. A pipeline pig is launched by directing a flow of fluid to, and through,... |
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Invention
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Hollow subsea foundations. A method of installing an upright elongate hollow subsea foundation th... |
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Invention
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Subsea foundations. A method of constructing a sliding subsea foundation includes embedding at le... |
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Invention
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Subsea foundations. A method of constructing a sliding subsea foundation comprises embedding at l... |
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2019
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Invention
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Long-distance transmission of power underwater.
A subsea long-distance power-transmission system... |
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Invention
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Long-distance transmission of power underwater. A subsea long-distance power-transmission system ... |
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Invention
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Heating of subsea pipelines. A technique mitigates or removes a plug of solid-state material such... |
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Invention
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Heating of subsea pipelines. A technique for mitigating or removing a plug of solid-state materia... |
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Invention
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Diverting pigs in a pipeline or piping system. A pig diverter comprises a hollow housing having a... |
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Invention
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Diverting pigs in a pipeline or piping system. A pig diverter (10) comprises a hollow housing (24... |
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Invention
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Generating electrical power underwater.
An underwater turbo-generator unit for producing electri... |
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Invention
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Underwater hydroelectric power generation system including a pelton turbine and perforated tubula... |
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Invention
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Generating electrical power underwater. An underwater turbo-generator unit for producing electric... |
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Invention
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Handling heavy subsea structures. A method transports and installs a heavy subsea structure such ... |
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Invention
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Integrated towhead and fluid processing system. A subsea processing system has a lattice frame ma... |
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Invention
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Integrated towhead and fluid processing system. A subsea processing system comprises a lattice fr... |
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Invention
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Subsea fluid storage unit. A modular subsea fluid storage unit has a variable-volume inner tank h... |
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Invention
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Improving access into subsea structures. A protective subsea housing for protecting an equipment ... |
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Invention
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Injecting fluid into a hydrocarbon production line or processing system. An injection fluid is pr... |
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Invention
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Offloading hydrocarbons from subsea fields. An offloading system for conveying hydrocarbons from ... |
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Invention
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Subsea pig launchers. A multiple pig launcher includes a tubular structure along which a series o... |
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Invention
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Integrating wells in towable subsea units. A drilling conductor supported within a suction anchor... |
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2018
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Invention
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Subsea pig launchers. A compact subsea pig launcher comprises a tubular magazine for holding a pl... |
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Invention
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Subsea energy storage. A subsea energy storage installation comprises a pumped-storage system hav... |
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Invention
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Launching pipeline pigs. A pipeline pig launching device has a tubular body that accommodates a s... |
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Invention
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Offloading hydrocarbons from subsea fields. A subsea hydrocarbon export system includes a riser t... |
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Invention
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Subsea processing of crude oil. A subsea production unit for subsea treatment of oil has a frame ... |
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Invention
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Subsea processing of crude oil. A subsea multiphase fluid separation system has a gas separator f... |
