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7628208 |
System and method for secure offshore storage of crude oil natural gas or refined petroleum products
A system for the storage of crude oil, natural gas and/or refined petroleum products at an offshore location includes a group of tanker vessels or concrete structures on the ocean floor attached to...
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7565877 |
Spar platform having closed centerwell
A spar platform for use in the offshore drilling or production of fossil fuels includes a hull having a centerwell. An airtight and watertight barrier traverses the centerwell, forming a variable...
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7553107 |
Liquid storage installation
An underwater storage installation for a cryogenic liquid. A foundation base rests directly on the sea floor. An underwater cell for storing the cryogenics liquid and cryogenic liquid-supply and...
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7506702 |
Method and apparatus for disposal of cuttings
A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510 , comprising (a) transporting the drill cuttings 520 to a cuttings collection area ...
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7472501 |
Method and system for building up land in a water-covered or water-surrounded area and land body formed by use of same
An article of manufacture produced by a process comprising the steps of: erecting a sediment-containment structure comprising a plurality of floating boom segments; and introducing sediment into...
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7448404 |
Seabed located storage
Seabed located storage for crude oil or other fluid, distinguished in that it is comprising a storage section in form of an oil and waterproof cloth formed as a flexible balloon that can be filled...
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7261164 |
Floatable drill cuttings bag and method and system for use in cuttings disposal
In aspects, embodiments of the present invention provide devices, systems and methods for managing cuttings formed during drilling of a subsea wellbore. By managing, it is meant the processing,...
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7207284 |
Tank installation for the storage of liquids
A tank installation for the storage of liquids, especially oil in a floating storage or production installation, including a number of tanks which are connected to pipe systems for supply of liquid...
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7185705 |
System and method for recovering return fluid from subsea wellbores
A subsea return fluid recovery system for recovering drilling fluid and cuttings (“return fluid”) from a subsea wellbore in one embodiment includes a hub at the opening of the subsea wellbore...
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7165297 |
Underwater burial garden system
A method for establishing underwater burial garden comprises drilling one or more holes into an underwater floor surface to a predetermined depth. Each hole in the underwater burial garden may be...
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7127783 |
Underwater burial garden method
A method for establishing underwater burial garden comprises drilling one or more holes into an underwater floor surface to a predetermined depth. Each hole in the underwater burial garden may be...
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7114883 |
Offshore fluid transfer system and method
Apparatus ( 12 ) for transferring fluid between floating vessels ( 10, 11 ) is described, comprising a submerged rigid transfer arm ( 13 ) carrying a fluid pipeline ( 16 ). The apparatus ( 12 ) is...
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7101118 |
Multi hull barge
Disclosed is a vessel comprising at least two parallel hulls at a predetermined mutual distance. A deck structure is supported on the hulls. Fluid storage tanks are placed in the at least two...
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7086472 |
Device and method of collecting solids from a well
Exemplary embodiments include a method and a device for temporary storage of solid particles such as drill cuttings from a hole section for surface casing in a wellbore. In certain embodiments, the...
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7024735 |
Artificial underwater memorializing catacomb and reef system
An artificial underwater memorializing catacomb and reef system and evocative environment for a visitor is made from one or more urns containing cremated remains imbedded at least partway within a...
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6942427 |
Column-stabilized floating structure with telescopic keel tank for offshore applications and method of installation
A floating offshore fluid storage caisson platform has a large diameter vertically oriented buoyant column or caisson, or multiple caissons, defining a storage chamber, and a telescopic keel tank...
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6922922 |
Amphibious dredging vehicle and method for restoring wetlands using same
An amphibious dredging vehicle includes a base including a pair of floatable pontoons linked together in essentially parallel relation; a cutterhead dredge system that is mounted on the base and...
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6869251 |
Marine buoy for offshore support
A marine buoy for the offshore support of subsea production and drilling activities that has a closed-bottomed base section with a solid ballast and variable ballast chambers, a chamber in the base...
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6863474 |
Compressed gas utilization system and method with sub-sea gas storage
A system and method utilizing compressed gas according to which the gas is compressed at a location above ground and transported to an underwater location. The gas is stored at the underwater...
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6817809 |
Seabed oil storage and tanker offtake system
An offshore oil storage and offtake system is disclosed. The system includes a storage tank attachable to the seabed and adapted to store hydrocarbons. At least one fluid channel is included which...
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6796379 |
Drilling waste handling
A method and an apparatus for storage and transport of drilling waste is provided. A number of storage containers ( 12 ) are anchored to the sea bed by means of anchors ( 15 ) and cables ( 13 )....
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6782950 |
Control wellhead buoy
The present invention relates to a subsea system for the production of hydrocarbon reserves. More specifically, the present invention relates to a control wellhead bouy that is used in deepwater...
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6592299 |
Method and an installation for collecting from and detecting a fresh water spring at sea
The present invention relates to a method of detecting and locating fresh water springs at sea essentially by taking salinity measurements and by methods and installations for collecting the fresh...
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6564873 |
Apparatus for offshore production of hydrocarbon fluids
An apparatus for offshore production of hydrocarbon fluids is disclosed. The apparatus comprises a base and a buoyant structure secured to said base and connected or adapted to be connected to a...
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6349663 |
Temporary storage barge
An oil storage vessel ( 10 ) comprises a hull ( 12 ) of generally tubular form having a double wall defining one or more ballast chambers ( 14 ). The orientation of the hull ( 12 ) relative to...
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6347910 |
Submarine power storage system
A submarine power storage system includes a unit base constructed on the floor of the sea, which base has seats for a plurality of electromechanical containers. Each such container has a turbine, a...
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6261028 |
Portable, modular, underwater burial/marine habitat
A portable, modular, underwater burial/marine habitat anchored on an underwater surface consisting of a plurality of base sections and top sections each having extruded, lightweight concrete slabs...
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6196767 |
Jack-up platform having a submerged tank and methods for installing and raising the tank
A jack-up platform of the type having a buoyant upper barge (10) mounted so that it can be moved along the length of bearing legs (12), mechanical mechanism (18) for moving the legs (12) relative...
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6164872 |
Method of production of large tank, system using such large tank and submerged tunneling method using the tank
The present invention relates to a method of manufacturing a tank which is too large to be built on the ground. In the method, a floating station (1012) is built on the sea, surrounding a first...
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6128863 |
Fish and marine mammal observatory featuring a carousel that moves within a sealed aquatic environment
A fish and marine mammal aquatic observatory. The observatory comprises an outer cylindrical wall and an inner cylindrical wall that define an enclosed annular volume. The inner cylindrical wall is...
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6082931 |
Modular maritime dock design
A maritime dock structure including a plurality of hollow modules each having a buoyancy force associated therewith. A plurality of anchors are coupled to the modules and embedded in an underwater...
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5899637 |
Offshore production and storage facility and method of installing the same
A concrete barge having oil storage tanks secured to its deck is towed to an oil production site where it is sunk to the sea bottom. Oil from an adjacent caisson supported production facility is...
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5885028 |
Floating systems and method for storing produced fluids recovered from oil and gas wells
A storage facility for use in temporarily storing produced fluids, e.g., crude oil from oil and gas wells, comprising a floating, concrete barge having at least one storage compartment, the barge...
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5820300 |
CO.sub.2 sea bottom throw-away system
A CO 2 deep sea throw-away system includes a floating offshore base (2), receiving liquefied CO 2 carried by a liquefied CO 2 carrier (1). The base has a throwing pipe (3) and a throwing pipe...
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5795103 |
Oil tanker and method for recovering oil from submerged oil tanker
A system for recovering petroleum products such as oil from a sunken oil transportation vessel. The system includes first and second flexible conduits communicating with the oil-containing...
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5785865 |
Watercraft waste water treatment system and method
A waste water treatment system for wharf-mooring or riding-at-anchor vessels, boats, ships and watercraft in general, comprising a number of tanks adapted to be submerged and each provided with a...
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5518341 |
Production fluid assembly for remote offshore facilities storage
The present invention concerns a system for providing storage for hydrocarbons produced at an offshore production facility. A tank assembly having inner and outer tanks defining an annular chamber...
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5366322 |
Apparatus for containment of overflow and runoff water
Apparatus for containment and/or equalization of effluent flow and runoff includes a plurality of compartments situated in a receiving body of water in a manner which prevents leakage of undiluted,...
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5354151 |
System for loading at sea
System for loading at sea comprising a submersible conveying structure and anchoring device for the conveying structure. The loading system includes a bottom or base structure disposed on a sea bed...
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5293751 |
Method and system for throwing carbon dioxide into the deep sea
Carbon dioxide gas collected from combustion exhaust gas or the like is transported in a liquefied gas state on the sea by means of ships up to a marine float installation provided with a throw-in...
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5292207 |
Ice crush resistant caisson for arctic offshore oil well drilling
A submersible mobile caisson having ice crush resistance for adapting semi-submersible mobile offshore drilling units and mobile offshore oil well production rigs, which are ice crush sensitive for...
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5275510 |
Offshore tanker loading system
The present invention relates to an improved flexible loading system which provides fluid communication between a subsea pipeline and a surface vessel including a hose extending from the subsea...
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5224962 |
Method and apparatus for submersion and installation of fundament structures on the sea bottom
A method and apparatus for installation of heavy, ballastable, gravity fundament structures on the sea bottom at large depths. In accordance with the invention, there is utilized air, water, and a...
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5201606 |
Thermal storage tank and associated top structure
Disclosed is a thermal storage tank for the long term storage of a thermal storage medium whose energy is available on demand for satisfying cooling or heating loads. The tank may be earth...
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5201611 |
Pressure equalizer for use at deep sea
A pressure equalizer for use for storing, generating and dispensing gas from substantially thin walled tanks at great depth beneath the sea has a gas generating tank contains a low-temperature,...
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5186581 |
Gravity base structure of an offshore platform resisting to icebergs
The structure comprises a concrete monolithic caisson (3) consisting of a top slab (5) and a bottom slab (5') resting on a seabed. Two concentric peripheral walls (6, 7), an inner and an outer...
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5129759 |
Offshore storage facility and terminal
The offshore facility and terminal includes a plurality of underground salt caverns located beneath the ocean floor. An offshore platform is located above the caverns and includes a flow line to a...
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5098226 |
Apparatus and method for damping low frequency perturbations of marine structures
An apparatus and method for dynamic absorption and damping of horizontal perturbations of a marine structure due to marine forces is disclosed. The apparatus includes an absorber tank having an...
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5080783 |
Apparatus for recovering, separating, and storing fluid floating on the surface of another fluid
A lower density fluid that is substantially immiscible and is floating on the surface of a body of a higher density fluid is collected, separated and stored in the top part of a container having a...
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5074715 |
Oil storage system
An oil storage system for an offshore platform having at least one submerged storage cell in which oil is stored on top of a water volume. In fluid communication with the submerged storage cell is...
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