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8182175 |
Gate for marine optic fiber security fence
A marine gate includes a gate member submersible in a body of water. At least a first post and a second post support the gate member. The gate member is slidably secured on the first and second...
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8161757 |
Processes and means for reducing the intensity of tropical cyclones
A navigable vessel for use in reducing the intensity of a tropical cyclone having an eye located over an ocean comprises a plurality of artificial snow-making devices aboard the vessel, at least...
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8157481 |
Method for templateless foundation installation
A method of installing a foundation system for securing the tendons of a TLP to the ocean floor. The foundation system is installed in templateless operations in which a pile is secured to the...
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8087464 |
System for installation and replacement of a subsea module and method applied thereby
A system for installation of a subsea module of great length by means of a vessel, using a cable for its installation and/or retrieval, and methods applied therein. The system allows transporting...
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8083438 |
Mechanically produced thermocline based ocean temperature regulatory system
A Mechanically Produced Thermocline Based Ocean Temperature Regulatory System to sequester carbon dioxide, create a cold water barrier to hurricanes and tropical storms, and ensure the function of...
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8066451 |
Flood/wind resistant building
The proposed invention is a flood and wind resistant building foundation. The building construction consists of an attached superstructure to a buoyant raft foundation with steel pipe anchor and...
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7997829 |
Articulated flowline connection
An articulated flowline connection, or coupling, between a flowline and a structure. In some embodiments, the coupling includes a housing and three cylindrical members, each disposed within the...
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7988384 |
Arctic platform
The instant disclosure relates to a system and method of constructing drilling and production platforms that are particularly useful in remote, inaccessible and/or environmentally sensitive...
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7976246 |
System for deploying a deepwater mooring spread
A system for deploying a deepwater mooring spread from a floating vessel using at least two cranes each having a main block, a deepwater deployment system connected to at least one of the cranes, a...
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7963337 |
Composite enhanced metallic drilling riser system
An offshore composite enhanced metallic drilling riser is equipped to enable preloading of the composite shell and the metallic riser. A riser has steel end connectors and a continuous metallic...
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7922425 |
Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments
An apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments. The structure may comprise an elongate flexible bladder blanket divider having...
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7891909 |
Semi-submersible offshore structure
A semi-submersible offshore structure for offshore operations. In an embodiment, the structure comprises a buoyant hull. The hull comprises a first elongate horizontal pontoon having a longitudinal...
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7882703 |
System and method for deployment of a cold water pipe
A cold water pumping system comprises a center tube and a cold water pipe surrounding the center tube. The cold water pipe is supported from a bottom end of the center tube and an impeller is...
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7883293 |
Connector assembly for an off shore riser
Connector assembly adapted to connect riser member of riser device to another riser member for connecting an oil well to an oil rig includes a male part having a male axial portion and a female...
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7789588 |
Subsea system provided with a controllable curvature flexible pipe
A curvature limiter for a hydrocarbon transferring subsea system comprising a flexible tubular member through which an intermediate portion of the flexible hydrocarbon pipe passes. The flexible...
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7784546 |
Tension lift frame used as a jacking frame
An offshore oil well drilling assembly is provided that includes an offshore platform; and a tension lift frame, which supports a coiled tubing injector and a blow out preventer connected thereto...
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7677838 |
Motion reduction apparatus and floating body therewith
A motion reduction apparatus has an orthorhombic shaped floating main body (11), a plumb plate supported vertically on one side section of the floating main body by stay members (13), and flow...
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7674073 |
Modular concrete substructures
A concrete section of an offshore platform substructure comprises a concrete body with a central opening and at least one guidepost hole extending through a height of the concrete body, wherein a...
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7628665 |
Drilling riser buoyancy modules
Buoyancy modules for subsea riser pipes are made of syntactic foam solid cores covered with tough high density polyethylene shells. Inner surfaces have partial semi-cylindrical surfaces to fit the...
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7604435 |
Umbilical without lay up angle
Umbilical device, where the device has a longitudinal axis (x), and includes at least one elongated electrical cable or tube element; and an elongated load bearing component along the longitudinal...
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7594780 |
Damping plates
A damping (or heave) plate comprises a generally flat plate attached, beneath the surface of a sea, and in horizontal orientation, to a structural member subject to being vertically moved in...
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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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7559723 |
Hull-to-caisson interface connection assembly for spar platform
A hull-to-caisson interface connection assembly accommodates high tension loads between the hull and a caisson of a Spar-type platform, while facilitating angular flexing motion and constraining...
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7553106 |
Method for making a floating offshore drilling/producing structure
A method for making a deep draft semi-submersible drilling/production vessel having a center of gravity below its center of buoyancy by constructing a plurality of buoyant individual columns. The...
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7534072 |
Spud can surface washing apparatus
The present invention discloses a method and an apparatus enabling the cleaning of a jack-up vessel, particularly the lower end portion of one of its legs. The method of the present invention...
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7530399 |
Delivery system for downhole use
A delivery system for downhole use comprising an elongate delivery member, such as a length of wireline cable or coiled tubing, an injector to control the insertion of the delivery member into the...
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7503728 |
Stabilized floating support
The support (1) includes a working deck (2) and floatation members (3) supporting this deck (2). According to the invention, the spacing between the vertical axes (Z) passing through the centre of...
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7497645 |
Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments
An apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments. The structure may comprise an elongate flexible bladder blanket divider having...
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7467913 |
Faired truss spar
A spar structure is disclosed for offshore hydrocarbon recovery operations having a vertically oriented elongated floating hull with a buoyant upper section, a ballasted lower section, and a truss...
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7410327 |
Arctic platform
The instant disclosure relates to a system and method of constructing drilling and production platforms that are particularly useful in remote, inaccessible and/or environmentally sensitive...
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7308863 |
Offshore LNG regasification system and method
A system and method for the offshore transfer of liquefied natural gas from an LNG tanker vessel to a moored or dynamically positioned regasification plant is disclosed. Once the state of the...
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7293940 |
Guide tube for a flexible pipe for transporting hydrocarbons
A guide tube for a flexible pipe for transporting hydrocarbons comprising an internal tubular element of a substantially rectilinear section extending along an axis (A) and extended by a free...
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7270071 |
Deep draft semisubmersible movable offshore structure
The present invention is a deep draft partially submersible and buoyant floating vessel comprised of at least three independent vertical columns. The columns have an upper column with an upper...
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7264420 |
Floating overturn prevention device
A floating overturn prevention device includes a flat-top base and a pillar coupled to a bottom surface of the flat-top base and extending therefrom. The flat-top base is a floating body for...
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7241077 |
Underwater installation apparatus
A running tool for deployment from a base such as a vessel for installing a component at an underwater facility such as a hydrocarbon extraction well includes a carriage which is lowered from the...
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7234409 |
Vessel for transporting wind turbines, methods of moving a wind turbine, and a wind turbine for an off-shore wind farm
A wind turbine (1) has a base (5) divided into at least three ballast tanks (12). A vessel (7) has means for displacing the wind turbine between a loading space (25) and an unloading position (26)....
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7234896 |
Vertically folding service arm for a movable platform offshore drilling or servicing rig
An apparatus and method for maintaining electrical and hydraulic connections between a junction box (or junction boxes) located on or near an offshore platform's floor and a movable drilling rig...
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7226245 |
Modular marine structures
A load-carrying modular structure assembled from 3-D structural modules constituting parallelepipeds with rectangular faces, the 3-D modules adjoining each other along said faces. The modules...
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7188574 |
Cylindrical hull structural arrangement
An improved floating circular hull construction arrangement. The hull is divided into sections by watertight flats. The flats are stiffened with angles or bulb tees curved to form concentric...
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7156586 |
Wind turbine with floating foundation
A floating foundation for wind turbines is disclosed, where the foundation essentially comprises at least three submerged buoyancy bodies connected to the lower end of the tower of the wind turbine...
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7117810 |
Platform structure
The invention relates to a floating platform (1) for offshore drilling or production of hydrocarbons, comprising a topsides (2) and a substructure (3) having a lower pontoon (4) and columns (5)...
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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 provided...
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7114884 |
Method and apparatus for increasing floating platform buoyancy
A floating platform for recovery of oil and gas from offshore oil and gas fields includes a hull having a portion located substantially below the water surface, and including a portion thereof...
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7112010 |
Apparatus, systems and methods for erecting an offshore wind turbine assembly
An embodiment of an apparatus useful for up-righting a wind turbine pillar at an offshore installation location includes a barge having first and second towers and an open area therebetween and...
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7112011 |
Hydro-pneumatic tensioner with stiffness altering secondary accumulator
A hydro-pneumatic tensioner includes a barrel having an inner bore and a pressurized fluid contained within to form at least part of a primary accumulator having a preset volume of gas at a nominal...
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7111575 |
Synthetic fuel plant
A self-contained, floating, waterway supplied and moveable synthetic fuel plant includes apparatus for receiving components of and for making synthetic fuel of coal and binder for energy consumers....
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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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7097387 |
Engineered material buoyancy system and device
There is provided a buoyancy system for a structure having at least one component being substantially stationary with respect to the bottom of a water covered area. The system comprises a set of...
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7044072 |
Cylindrical hull structure
An improved floating circular hull construction arrangement. The hull is divided into sections by watertight flats. In each section, longitudinal stiffeners spaced around the inside of the outer...
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7011471 |
Jacking method and apparatus
A jacking method and apparatus for a heavily loaded platform includes hydraulic continuous linear motion motors, preferably comprising a plurality of phased hydraulic piston/cylinder units, that...
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