| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 405205000 | With ballasting means to sink or position structure at site | 43 |
| 20090003937 | System and Method for Releasing a Barge from a Topside During a Float-Over Installation - A quick-release system for coupling a topside for a fixed or floating platform and a barge for float-over installation of the topside is disclosed. The quick-release system comprises one or more releasable connections, each releasable connection configured to support at least a fraction of the weight of the barge and to be remotely actuated to allow the barge to decouple from the topside. In some embodiments, the quick-release system comprises two plates, one coupled to the topside and the other coupled to the barge, and a plurality of bolts extending therebetween. A frangible nut is coupled to each bolt. The quick-release system is actuatable by an electric signal that causes the frangible nuts to fracture and the barge to subsequently be released from the topside. | 01-01-2009 |
| 20090016822 | System and Method for Coupling a Topside to a Floating Substructure - Systems and methods for coupling a topside to a fixed or floating substructure during float-over installation of the topside are disclosed. Some system embodiments include a first plate coupled to a leg of the substructure and a retaining wall coupled to the first plate and extending substantially normally therefrom, wherein the retaining wall and the first plate form a recess. The system embodiments further include a second plate disposed at an end of a leg of the topside, the second plate received within the recess and engaging the first plate, and a plurality of shims disposed between the second plate and the retaining wall, wherein the plurality of shims are configured to inhibit translational movement of the second plate relative to the first plate. | 01-15-2009 |
| 20090324341 | METHOD OF ERECTING A BUILDING STRUCTURE IN A WATER BASIN - The present invention provides a method of creating a building structure to be installed on a basin floor wherein the base for erecting the structure would be an element of such a block and this block would be placed on the basin floor in such a way, and would be fixed in position relative to it in such a manner, that this base could be used as a foundation for stationary, large-sized heavy structures and also to ensure the possibility of using the block elements as members of the structure being erected and thus to increase the economic efficiency of the method. | 12-31-2009 |
| 20100296873 | METHOD FOR INSTALLING A TOPSIDE MODULE ON AN OFFSHORE SUPPORT STRUCTURE - Method for installing a topside module on an offshore support structure that in use comprises at least one support leg that extends a height above the water level. The method comprises the steps of supporting said topside module on a barge in a position adjacent to said at least one support leg and de-ballasting the barge to lift the topside module a height above water level. | 11-25-2010 |
| 20100316449 | MODULAR TOPSIDES SYSTEM AND METHOD HAVING DUAL INSTALLATION CAPABILITIES FOR OFFSHORE STRUCTURES - The present disclosure provides an improved method and system for loading a topsides onto an offshore structure by functional modules. A module support frame forms a supporting structure to which production modules can be assembled. The production modules are adapted to extract or process hydrocarbons from a hydrocarbon well in an offshore location. One production module is a well bay production module to which other production modules can be coupled, including a drilling support production module, separation production module, export module, and utility module. The module support frame can be loaded onto floating barges and other modules assembled thereto to allow the barges to provide incremental and controlled support during the loading process and for the floatover installation. The barges can be floated out to the offshore structure and loaded onto the offshore structure by methods including a floatover method or with a heavy-lift crane vessel. | 12-16-2010 |
| 20110129301 | PILING BARGE - A piling barge is disclosed by the present invention. In the piling barge disclosed, a supporting leg includes a supporting arm extended in vertical direction. Differing from the prior art, the supporting leg further includes a supporting base. The supporting base has a transverse section larger than that of the supporting arm, an end of the supporting arm is fixed with the upper surface of the supporting base. The supporting base of the supporting leg having a larger transverse section may receive support from a larger area of mollisol ground and thus provide a larger supporting force for the hull, which enables the piling barge to perform the piling operation on sea areas with mollisol ground. A piling device of the piling barge has pile frame adjusting mechanisms, such as a luffing oil cylinder, a luffing winch mechanism and a turntable, etc., which may adjust the incline angle and the position of the pile frame, therefore the working efficiency of piling operation of the piling barge can be improved. | 06-02-2011 |
| 20110158750 | Offshore Station, Foundation for an Offshore Station, and Method for Building an Offshore Station - An offshore station ( | 06-30-2011 |
| 20110164926 | METHOD AND APPARATUS FOR SUBSEA INSTALLATIONS - There is provided a method and apparatus for lowering and/or raising a load or structure to or from the bed of a body of water. The apparatus comprises a buoyancy apparatus configured to be coupled to a load, and having positive buoyancy sufficient to lift the load. At least one receptacle is provided on the apparatus for receiving a control weight lowered from a vessel to lower or raise the assembly. The lowering method includes forming an assembly from a buoyancy apparatus and a load and submerging the assembly to a position at a first height above the bed. In a preferred embodiment the assembly is submerged by a clump weight tow system. A control weight is deployed from a vessel to the assembly to overcome the positive buoyancy of the assembly and thereby lower the load from the first height to the bed. The raising method reverses the steps of the lowering method. | 07-07-2011 |
| 20110206465 | METHOD OF LOCATING A SUBSEA STRUCTURE FOR DEPLOYMENT - A method of locating a subsea structure beneath a floating deployment vessel for deployment to a seabed including at least the steps of: (a) transporting the subsea structure on a floating transporting vessel near to the deployment vessel; (b) lowering the transporting vessel to allow the subsea structure to float; (c) relocating either the transporting vessel or the subsea structure to allow the subsea structure to be separate of the transporting vessel; and (d) locating the subsea structure beneath the deployment vessel using one or more buoyancy elements with variable buoyancy. | 08-25-2011 |
| 20120014752 | Submersible Platform With Blocked Thrust For Offshore Wind Plants In Open Sea In Concrete-Steel Hybrid Solution - A tension-legged offshore submerged platform, in hybrid concrete-steel solution, having a pre-stressed concrete central body, a steel peripheral structure, which is connected to the central body through steel stiffeners, and further to a basement for such a platform. | 01-19-2012 |
| 20120063850 | MARINE-EQUIPMENT INSTALLATION METHOD AND APPARATUS - A method of installing marine equipment, the method including providing a marine apparatus comprising the marine equipment and a buoyancy device including at least a first and a second tank. The first tank containing air and the second tank containing a buoyant liquid having a specific gravity of less than 0.8 g/cm | 03-15-2012 |
| 20120183359 | INSTALLATION METHOD FOR WATER-SUBMERSIBLE PLATFORMS AND INSTALLATION VESSEL - A method for installing a water-submersible platform is disclosed. The method includes lowering the platform in water from a vessel positioned above the platform while spuds connecting the vessel to the platform stabilize the platform during lowering. An assembly of the vessel and platform, and a vessel that is used to connect to the platform is also disclosed. | 07-19-2012 |
| 20120243943 | Offshore Station, Foundation for an Offshore Station, and Method for Building an Offshore Station - An offshore wind power station has a floatable foundation that can be sunk by flooding a hollow chamber, and a superstructure on which functional units of the station are arranged. The foundation includes a base that projects from the water surface in the sunk state of the foundation and on which the superstructure can be mounted. A floodable floating device surrounds the base in the shape of a ring. In a method for building an offshore station a floatable foundation is prefabricated in a harbor zone, is towed to a mounting location and sunk, whereupon the station is completed with a superstructure and functional units at the mounting location. | 09-27-2012 |
| 20120275865 | Method and Device for Installing a Tidal Power Plant - The invention relates to a method for the installation of a tidal power plant having a water turbine, which is mounted so it is rotatable on a nacelle, the nacelle being assigned to a coupling device for placing the tidal power plant on a coupling counterpart on a tower, which carries the tidal power plant during operation, comprising the following method steps: a floating device is coupled to the tidal power plant to form an installation unit, the buoyancy force and the buoyancy point of the floating device being adjustable and being selected so that the installation unit has a positive buoyancy; the installation is connected by means of a traction cable arrangement to the tower, the traction cable arrangement being connected to at least one motorized winch on the floating device and linkage points of the traction cable connection being arranged on the floating device and the tower so that during hauling in of the traction cable arrangement, the coupling device is guided to the coupling counterpart against the buoyancy and flow forces acting on the installation unit; after the hauling in of the traction cable arrangement and the placement of the coupling device on the tidal power plant on the coupling counterpart on the tower, the coupling between the floating device and the tidal power plant is disengaged and the floating device rises to the water surface. | 11-01-2012 |
| 20130202360 | Base Frame for an Offshore Platform and Method for Installing Such a Base Frame - A base frame for an offshore platform comprising
| 08-08-2013 |
| 20140044490 | Accurate bouyancy control in pools, lakes and ocean and to maintain frequency to generate clean AC electrical power - The present invention relates to a more precise control of buoyancy lifting heavy load, not exclusively, for attachment to large structures being lower, lifted, positioned and transported off ocean floor, but also generating AC electrical power. A rigid cylinder with dome shaped top and a sealed piston and shaft in the said cylinder with the bottom open ended is operated to increase or decrease buoyancy while displacing the water in the cylinder with a sealed shaft attached to a sealed piston is operated through the sealed dome in the cylinder. The present invention further relates to generating clean electrical power with aid of buoyancy in swimming pools, lakes and ocean with precise buoyancy control and weight simultaneously and operated uniformly by displacing torque on a lever arms that is reciprocating making buoyancy and gravity variable mechanically and hydraulically to regulate accurate frequency required to generate AC electrical power continuously. | 02-13-2014 |
| 20140050535 | METHOD FOR INSTALLING AND SERVICING AN APPARATUS RECOVERING THE KINETIC ENERGY OF WATER, AND AN APPARATUS RECEOVERING THE KINETIC ENERGY OF WATER - The object of the invention is a method for installing and servicing an apparatus module recovering the kinetic energy of water; and the apparatus module itself. The apparatus module with wave energy recovering units is descended into the sea bottom and is kept steady at the sea bottom by the help of its own mass and the mass of the water filled into a plurality of soft and hard compartments and valve compartments in the body of the apparatus module. Correspondingly the apparatus module is lifted into the surface of the water and made floating by the help of air that is blown to the plurality of soft and hard compartments and the valve compartments in order to replace the water. | 02-20-2014 |
| 20140193207 | Honeycomb Buoyant Island Structures - Multi-cylinder buoyant island structures, such as may be used for staging and storage related to offshore oil and gas production activities, and methods of use and manufacture. | 07-10-2014 |
| 20140248091 | Construction and installation process to deploy a wind turbine "WTG" on a tension leg platform/spar in medium to deep water - Method for installation of a wind turbine generator on a tension leg platform/spar (WTG foundation) using gravity anchors or suction anchors. A concrete WTG foundation is built with the ‘slip form’ method, a combination construction/deployment barge (barge) allows the WTG and WTG foundation to be delivered to the installation site as a complete unit and a split hull hydraulic dump scow facilitates the slip form construction and deployment of the gravity anchors. The barge is sunk as a dry dock to a draft that permits the WTG/WTG foundation to be floated off. The free floating WTG foundation is ballasted with sea water to its operating draft with 5 feet of freeboard. The tension legs from the gravity anchors are attached to the WTG foundation and snugged with equal tension. The sea water is then removed from the WTG foundation. This process tightens the tension legs to their design loads. The WTG/WTG foundation maintains a relatively large water plane and a 5 foot freeboard. The gravity anchors are constructed and deployed to the installation site, with tension legs attached, by means of a split hull hydraulic dump scow. Four gravity anchors are deployed for each WTG installation. | 09-04-2014 |
| 20140341657 | LARGE SUBSEA PACKAGE DEPLOYMENT METHODS AND DEVICES - According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with equipment mounted thereon. The equipment may be liquid storage tanks, pumps, compressors, separators, metering systems, energy sources, communication systems, buoyancy tanks, and the like. The structure is used for disposal and installation in a subsea environment by changing the volume of buoyancy material within at least one buoyancy tank. | 11-20-2014 |
| 20150050089 | SHALLOW WATER JACKET INSTALLATION METHOD - A new jacket installation method is disclosed, especially for shallow water heavy jacket installation applications. The method utilizes a special type of air bags, called launching air bags, to provide low cost net buoyancy in order to make a shallow water jacket self afloat with a sufficient bottom clearance with seabed. At a floating state a minimum size installation crane vessel could be used to perform all needed jacket installation operations such as lowering, setting-down to seabed, driving foundation piles, grouting and the welding between foundation piles and jacket leg tops. For a shallow water heavy jacket installation, a crane vessel cost usually represents a majority cost of a jacket installation. Therefore, a significant savings could be achieved if a minimum size crane vessel could be used, instead of a large size crane vessel. | 02-19-2015 |
| 20150104259 | Method of construction, installation, and deployment of an offshore wind turbine on a concrete tension leg platform - Method for construction, deployment, and installation of a wind turbine generator on a floating slip formed concrete tension leg platform/spar (WTG foundation) using gravity anchors. A concrete WTG foundation is built with the ‘slip form’ method, a combination construction/deployment dry dock barge (barge) utilizing wing walls for stability allowing the WTG and WTG foundation to be delivered to the installation site as a complete unit. A split hull hydraulic dump scow facilitates the slip form construction and deployment of the slip-formed gravity anchor(s). The barge is sunk as a dry dock to a draft that permits the WTG/WTG foundation to be floated off. The free floating WTG foundation is ballasted with sea water to its operating draft with 5 feet of freeboard. The tension legs from the gravity anchors are attached to the WTG foundation and snugged with equal tension. The sea water is then removed from the WTG foundation. This process tightens the tension legs to their design loads. The WTG/WTG foundation maintains a relatively large water plane and a 5 foot freeboard. The gravity anchor(s) is constructed from slip formed concrete on a split hull hydraulic dump scow and deployed to the installation site, with tension legs attached for deployment and attachment to the WTG platform. | 04-16-2015 |
| 20150139738 | LIGHT WEIGHT GUIDEPOST - A releasable guidepost for use on the seabed together with a fixed subsea structure is shown. The guidepost assists during lowering of a component from the surface of the water to the subsea structure to obtain a focused landing of said component at a predetermined location. The guidepost includes an upward (in the position of use) projecting end designed for engagement with the lowered component. The guidepost is of a light weight shell construction, in order to increase buoyancy during lowering thereof through the sea by use of an ROV. The light weight shell construction defines a cavity filled with a non-collapsible buoyancy material in at least part of the guidepost. | 05-21-2015 |
| 20150337515 | BUOYANT SUBSURFACE FLOAT - A buoyant subsurface float is configured to provide a stable platform below a surface of a deep water upon a sea floor. The buoyant subsurface float has a platform configured to be buoyant and submerged in the deep water. A tethering system is attached to the platform and further attached to the sea floor. The tethering system holds the platform at an intermediate depth of water between the surface and the sea floor. A surface equipment is attached to the platform and configured to perform a function normally performed on a surface of shallow water. | 11-26-2015 |
| 20150345665 | Method of Governing the Elevation, Attitude and Structural Integrity of a Pressure-Containing Vessel in a Body of Liquid - A method for governing the elevation, attitude and structural integrity of a pressure-containing vessel in a body of liquid counterbalances flotation and incompressible ballast mediums against each other in separate serial compartments. Varying the quantity of incompressible ballast medium allows control of the elevation and attitude of the vessel. If the flotation medium is compressible, varying the quantity of flotation medium allows control of the ambient pressure of the vessel. The method facilitates floating and towing and laying of an undersea pipeline on, to and at a deep water site. | 12-03-2015 |
| 20150375829 | LARGE SUBSEA PACKAGE DEPLOYMENT METHODS AND DEVICES - According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with equipment mounted thereon. The equipment may be liquid storage tanks, pumps, compressors, separators, metering systems, energy sources, communication systems, buoyancy tanks, and the like. The structure is used for disposal and installation in a subsea environment by changing the volume of buoyancy material within at least one buoyancy tank. | 12-31-2015 |
| 20160060993 | SUBSEA SYSTEM DELIVERY TO SEABED - Methods and systems relate to seabed operations, such as well intervention or capping, involving subsea equipment and subsea handling of the equipment, which may be associated with hydrocarbon wells or pipelines. A subsea system submerges during deployment and is landed on the seabed. The system may include a suspension assembly coupled to a frame structure for carrying equipment used in the operations. The deployment of the system may include deploying the frame structure with the equipment from a floating vessel connected to an anchored tether and moving the frame structure under water along the tether toward where anchored and the location for the seabed operations. | 03-03-2016 |
| 20160186401 | HYDROCARBON PRODUCTION AND STORAGE FACILITY - A subsea fluids storage facility comprises a tank ( | 06-30-2016 |
| 20160201285 | Floating Deep Draft Semi-Submersible Offshore Platforms and Methods for Assembling and Deploying Same | 07-14-2016 |
| 20160251816 | Subsea System for the Installation, Suspension and Removal of Production and Processing Equipment | 09-01-2016 |
| 405206000 | Detachable from structure | 4 |
| 20100003086 | 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 operating environments. According to one aspect of the invention, an arctic drilling platform is provided wherein various methods and means of interlocking neighboring platform modules are provided. Methods and means for sealing the intersections formed between a plurality of interlocked platform modules are also disclosed. According to further aspects of the invention, improved platform floor plans are provided, and various wellhead cellar layouts and sealing means are also described. Methods and means of enhancing the usefulness of modular storage platforms are disclosed, and a number of support post installation and removal techniques are also provided. Also taught are a variety of methods of adjusting the height and level of an assembled drilling platform, and methods and means of adding extension members useful for extending the length of a support post are also described. | 01-07-2010 |
| 20100316450 | METHOD FOR INSTALLING AN OFFSHORE WIND TURBINE AND A BARGE SYSTEM - The invention relates to a method for installing an offshore wind turbine ( | 12-16-2010 |
| 20110299936 | 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 operating environments. According to one aspect of the invention, an arctic drilling platform is provided wherein various methods and means of interlocking neighboring platform modules are provided. Methods and means for sealing the intersections formed between a plurality of interlocked platform modules are also disclosed. According to further aspects of the invention, improved platform floor plans are provided, and various wellhead cellar layouts and sealing means are also described. Methods and to means of enhancing the usefulness of modular storage platforms are disclosed, and a number of support post installation and removal techniques are also provided. Also taught are a variety of methods of adjusting the height and level of an assembled drilling platform, and methods and means of adding extension members useful for extending the length of a support post are also described. | 12-08-2011 |
| 20160023732 | SUBSEA VESSEL AND USE - A subsea vessel includes filler material, which may be enclosed by an outer shell and may provide the vessel with a density for floatation. Exemplary applications for the vessels include buoyancy and tanks to hold fluids for operations subsea. The filler may include thermoplastic materials and/or concrete, which may be formed to create internal void spaces. | 01-28-2016 |
| 405207000 | Compartment in base | 9 |
| 20100143045 | FLOATING PLATFORM FOR OPERATION IN REGIONS EXPOSED TO EXTREME WEATHER CONDITIONS - A floating platform for drilling after or production of hydrocarbons comprises a semi-submersible main platform ( | 06-10-2010 |
| 20110305523 | SUPPORT STRUCTURE FOR USE IN THE OFFSHORE WIND FARM INDUSTRY - A support structure for use in the offshore wind farm industry, and a method of manufacturing and installing same, including a foundation for installation on a seabed below a body of water and a tower connected to and extending upwards from the foundation and being capable of supporting at least an equipment unit. The foundation includes a bottom slab and a wall extending upwards from the bottom slab, thereby defining a first cavity for holding ballast and for providing buoyancy during tow-out and installation. The foundation further includes a circumferential skirt extending downwards from the bottom slab, thereby defining at least one compartment underneath the foundation. | 12-15-2011 |
| 20130064608 | FOUNDATION STRUCTURE - A foundation structure for locating an object mounted on the foundation structure on a sea bed or a river bed comprises an integral buoyancy device having variable buoyancy and a rigid control surface. The integral buoyancy device is movable relative to the foundation structure to vary the position of the rigid control surface and to control the position of the centre of buoyancy relative to the position of the centre of gravity. This stabilizes the foundation structure during submergence and surfacing. A method for controlling the deployment and retrieval of the foundation structure is also described. | 03-14-2013 |
| 20130121770 | INSTALLATION METHOD AND RECOVERY METHOD FOR OFFSHORE WIND TURBINE - The present invention provides a method for installation of an offshore wind turbine, comprising a step for prefabrication of a foundation, a step for installation on the dock, a step for transportation and a step for offshore installation. The foundation provides buoyant force and uprighting force to the entire structure so as to keep it upright without external forces; the step for installation on the dock comprises assembling into the complete set, and finishing the test in a state of complete set; in the step for transportation, the complete set is transported to the offshore site in a way of floating on the water; the step for offshore installation comprises sinking the complete set onto the sea bed by gravity on the offshore site, and fixing the foundation to finish the installation. The present invention also provides a method for recovery of an offshore wind turbine, which is performed generally in steps reversed to the method for installation. The one-step installation and disassembly for the complete set can be realized according to the method of the present invention, which has low risk for damaging the wind turbine complete set, with convenience and high efficiency, and greatly reduces the cost, and moreover, is environment-friendly. | 05-16-2013 |
| 20130243531 | PROCESS FOR INSTALLING AN OFFSHORE TOWER - Process for installing an offshore tower, specifically a substructure, which basically comprises the following steps: a) dry manufacturing a foundation comprising a block ( | 09-19-2013 |
| 405208000 | And leg depending from base | 4 |
| 20100135728 | MOBILE OFFSHORE DRILLING AND PRODUCTION PLATFORM - The present invention relates to a mobile offshore oil drilling and production platform ( | 06-03-2010 |
| 20120201609 | GRAVITY BASE STRUCTURE - Embodiments of gravity base structures are disclosed that comprise first and second elongated base sections separated by an open region and configured to support the on-bottom weight of the structure and be supported by the floor of the body of water, and an upper section positioned above the open region and configured to extend at least partially above the water surface to support topside structures. Some embodiments further comprise first and second inclined sections coupling the base sections to the upper section. | 08-09-2012 |
| 20130034391 | GRAVITY BASE STRUCTURE - Embodiments of gravity base structures are disclosed that comprise first and second elongated base sections separated by an open region and configured to support the on-bottom weight of the structure on a seabed, and an upper section positioned above the open region and configured to extend at least partially above the water surface to support topside structures. Some embodiments further comprise first and second inclined sections coupling the base sections to the upper section. Some embodiments comprise a skirt structure below the base sections for facilitating engagement with the seabed. Some embodiments comprise selectively fillable internal fluid chambers to facilitate raising and lowering the structure in a sea and relocating the structure. | 02-07-2013 |
| 20150093202 | DEEPWATER JACKET DESIGN METHOD - A new jacket design method is disclosed, especially for deepwater water heavy jacket applications. The method utilizes a special type of air bags, called Ship Launching Air Bags (SLAB), to provide low cost temporary buoyancy used for jacket installation purpose only. A designer only needs to satisfy the jacket stiffness for the resistance of environmental and gravity loads without the consideration of jacket reserve buoyancy. The required jacket reserve buoyancy could be increased with the utilization of temporally attached SLABs during the jacket installation. | 04-02-2015 |
