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| Number | Title | Issue Date |
| 8025020 | Auxiliary float of floating structure and method for remodeling floating structure To provide the auxiliary float of a floating structure which can prolong the lifetime of the floating structure by reducing external force acting on the brace and can be used even at very deep water by increasing buoyancy, and to provide a remodeling method of the f... | 09/27/2011 |
| 8001917 | Web frame A marine structure comprises a supporting member adapted to be located at least partially immersed in water. The supporting member comprises a wall at least partially delimiting the supporting member such that an inner side of the wall at least partially delimits an... | 08/23/2011 |
| 7958835 | Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications An offshore floating production, storage, and off-loading vessel has a hull of generally cylindrical or polygonal configuration surrounding a central double tapered conical moon pool and contains water ballast and oil and/or liquefied gas storage compartments. The e... | 06/14/2011 |
| 7958836 | Stabilizing chamber for use with a mobile offshore unit A stabilizing chamber to be used with a mobile offshore unit and a method of manufacturing and stabilizing therewith are disclosed. The stabilizing chamber includes a housing configured to removably receive and retain fluid therein, a first support, and a second sup... | 06/14/2011 |
| 7934462 | Offshore floating structure with motion dampers A semi-submersible floating platform (10, 10A) for use in offshore applications has a semi-submersible hull structure (11) including support columns (12), a pontoon structure (13) adjoined to the lower ends thereof, and a deck structure (... | 05/03/2011 |
| 7900572 | Drag-inducing stabilizer plates with damping apertures A floating vessel is equipped with perforated plates which exhibit both an added-mass effect and a damping effect. The addition of porosity to an added mass plate phase-shifts the added mass force so that it becomes at least partially a damping force which does not ... | 03/08/2011 |
| 7895960 | Process for the production of a frame for construction and frame thus obtained A process for the production of a frame for a construction adapted to float includes the steps consisting in: forming a flotation element (12) whose upper portion includes a network of grooves adapted to form formwork for beams (14) of concrete as well... | 03/01/2011 |
| 7849810 | Mating of buoyant hull structure with truss structure A method of mating of a buoyant hull with a truss structure while at the installation site of the completed offshore structure. The buoyant hull is moored in place. The truss structure is placed in the water, self upends, and maneuvered near the buoyant hull. The bu... | 12/14/2010 |
| 7823525 | Floating platform method and apparatus A floating platform is provided. The floating platform includes a top surface (14), a plurality of buoyancy members (12) interconnected to the top surface and extending downwardly into a body of water, a bottom plate (16) and a plurality of inte... | 11/02/2010 |
| 7819073 | Floating wind turbine installation A method for coordinating a floating wind turbine installation. The wind turbine installation includes a buoyant body (1), a tower (2) arranged over the buoyant body, a generator (3) mounted on the tower which is rotatable in relation to the win... | 10/26/2010 |
| 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 buoyancy compartment in the centerwell. In certain embodiments the cen... | 07/28/2009 |
| 7520237 | Hurricane prevention system and method The hurricane prevention system and method for use in ocean water is provided including a buoyant platform on which is disposed a wind-driven power source, a water-moving system, and a water-dispersing system. The wind-driven power source is configured to use wind e... | 04/21/2009 |
| 7481176 | Transportable flotation system A transportable modular flotation system with sections incorporating a decked supporting structure that is buoyed by heavy duty flotation tubes. The sections are coupled together with pre-tensioned ropes, straps or cables of High Modulus Fiber. The system is suitabl... | 01/27/2009 |
| 7438504 | Arrangement for anchoring a floating structure An arrangement for anchoring a floating structure comprising a mooring boom 120a, b; 650a, b pivotally arranged at either end, wherein each mooring boom at its free end has a bushing 124a, b: 654a, b through wh... | 10/21/2008 |
| 7421964 | Floating structure in the shape of a concrete cofferdam and a method for moulding the concrete cofferdam The present invention relates to a floating structure comprising at least a closed space (10), a hull in the shape of a concrete cofferdam (12) having an external delimiting surface intended to be exposed to surrounding water, and a function for heatin... | 09/09/2008 |
| 7413384 | Floating offshore drilling/producing structure A deep draft semi submersible structure wherein the semi-submersible has a center of gravity below its center of buoyancy and the structure is a floating vessel with at least three vertically oriented buoyant columns. Each of the vertically oriented buoyant columns ... | 08/19/2008 |
| 7377225 | Spar-type offshore platform for ice flow conditions A spar-type platform includes a hull defining a centerwell extending downward to a keel. The hull includes a reduced diameter neck portion for diverting ice flow. Adjustable ballast tanks allow the hull to be moved between a ballasted down position defining an upper... | 05/27/2008 |
| 7360367 | Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods Methods and systems for transportation of a cryogenic fluid. The system includes a floating liquefaction unit receiving a gas from a source, a shuttle vessel for carrying liquefied gas away from the liquefaction unit, and a floating regasification unit for receiving... | 04/22/2008 |
| 7357688 | Floatation apparatus and method A portable floatation apparatus comprising a platform, a ramp, and a buoyancy structure non-removably attached to the platform. At least one buoyancy structure may be removably attached under the platform to adjust the buoyancy of the floatation apparatus. The platf... | 04/15/2008 |
| 7357092 | Floating combined cycle power plant A floating combined cycle power plant includes a plurality of watertight bulkheads placed in a hull, having a structure suitable for being moved at sea, to the height of the freeboard deck; a power generating means for generating electricity, and a duct arranged to ... | 04/15/2008 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 7341021 | Submersible farm An improved submersible mollusc farm is disclosed. A line of cables bearing the culture ropes and the cylindrical buoys which maintain the line horizontal is suspended from end floats. The end floats include a filling/emptying system using water by way of ballast, i... | 03/11/2008 |
| 7337568 | Non-inflatable floating sign A non-inflatable device for supporting a sign on water. A single float embodiment is the basic element. In a typical embodiment, two or more non-inflatable floats are separated at a predetermined distance by one or more spacing members that mate with a spacing membe... | 03/04/2008 |
| 7333862 | Position control device of moving body, stage device using the position control device, and position control method of moving body A position control device of a moving body, by which position control device a moving body can be driven in a translational manner with high precision where the moving body is not rotated in a yawing direction even if disturbance is input, a stage device using the p... | 02/19/2008 |
| 7331303 | Floating power plant A floating power plant includes a hull having a structure suitable for being movable at sea; a plurality of watertight bulkheads placed in the hull to a height of a freeboard deck, thus partitioning the interior of the hull into a plurality of watertight chambers; a... | 02/19/2008 |
| 7328578 | Integrated OTEC platform An integrated platform to house an ocean thermal energy conversion (OTEC) system that utilizes: (i) a cold water circuit consisting of a way of receiving and distributing the cold water from the cold water pipe (CWP) to vertical conduits housing the condensers into ... | 02/12/2008 |
| 7318319 | Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods Methods and systems for transportation of a cryogenic fluid. The system includes a floating liquefaction unit receiving a gas from a source, a shuttle vessel for carrying liquefied gas away from the liquefaction unit, and a floating regasification unit for receiving... | 01/15/2008 |
| 7318387 | Water intake riser A water intake riser that can be suspended from a vessel having a riser connected to a riser hanger, which riser hanger includes a first tubular element, a second tubular element to which the riser is connected, a flexible load transfer element joining the tubular e... | 01/15/2008 |
| 7316525 | Vortex induced vibration optimizing system There is disclosed a system comprising a structure, a vortex induced vibration monitoring system, adapted to monitor a vortex induced vibration level of the structure, a tensioner connected to the structure, and a controller adapted to calculate a tension on the str... | 01/08/2008 |
| 7317260 | Wind flow estimation and tracking using tower dynamics A turbine control system for a variable speed electrical generator in a wind turbine mounted atop a support tower. The wind turbine converts wind energy into a driving torque applied to the generator. The control system includes a turbine support tower position sens... | 01/08/2008 |
| 7314087 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 01/01/2008 |
| 7314017 | Mechanical flexor drive connector system for modular causeway system A flexor connector drive system for mechanical flexors of a modular causeway system includes a linear slide mechanism coupled to a linear drive located within a well on a first section of the causeway system. The linear slide mechanism is adapted to be driven out of... | 01/01/2008 |
| 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 natural gas has been changed from liquid to gas or regasified, the natural... | 12/18/2007 |
| 7309302 | Sliding exercise apparatus and recreational device A sliding exercise apparatus and recreational device which can be employed both wet and dry. A user can traverse the device which includes a surface which can be inclined as a durable low friction sheeting material. The user can be supported by a wide variety of veh... | 12/18/2007 |
| 7302903 | Floating vessel for producing hydrocarbons and method for producing hydrocarbons A floating vessel 11 for producing hydrocarbons comprises one or more containers 12 having a chamber 13 formed therein, a structural frame 15 for interconnecting the one or more containers 12, a power system 16 for producing... | 12/04/2007 |
| 7293939 | Inclined leg floating production platform with a damper plate A floating moored oilfield production structure for deepwater application. An apparatus and a method for the construction and installation of floating oilfield production structures, wherein the deck structure is supported by multiple pairs of inclined buoyant legs ... | 11/13/2007 |
| 7287484 | Berthing method and system A method and a system are provided for the safe berthing of marine vessels in the high seas and other unprotected open waters. The invention allows a large vessel to be berthed alongside in close enough proximity to a marine structure so that conventional loading ar... | 10/30/2007 |
| 7281483 | Emergency ballast system for semi-submersible drilling rigs A semi-submersible vessel comprising a plurality of stabilizing columns, a deck disposed between the tops of the columns, at least one void tank in one stabilizing column, at least one active variable ballast compartment disposed below the void tank, at least one em... | 10/16/2007 |
| 7281881 | Column-stabilized platform with water-entrapment plate An apparatus for use in offshore oil or gas production in which a plurality of vertical stabilizing columns are supported on a submerged horizontal water entrapment plate is provided to support minimum offshore oil and gas production facilities above a subsea wellhe... | 10/16/2007 |
| 7278801 | Method for deploying floating platform A method for deploying a floating platform at an offshore wellsite uses pull-down lines to provide stability to the platform while ballasting. The platform is equipped with a number of tension devices and towed to a staging site while at a first draft, At the stagin... | 10/09/2007 |
