Matches 1 - 50 out of 365 1 2 3 4 5 6 7 8 >


Match Document Document Title
9033617 Structure for transporting, installing and dismantling a rig deck and methods for transporting, installing and dismantling this deck  
The invention relates to a structure for transporting, installing, and dismantling a deck (1) of an off-shore exploitation rig, for installing, and dismantling this deck (1) on at least one...
9004819 Installation method and recovery method for offshore wind turbine  
A method for installation of an offshore wind turbine. The method includes prefabrication of a foundation that provides buoyant force and uprighting force to the foundation so as to keep it...
8992126 Method of estimating the environmental force acting on a supported jack-up vessel  
A method of estimating the environmental force acting on a supported jack-up vessel is described. The vessel is positioned in a force determination position and the strain on at least one support...
8967912 Method of installing a buoy and apparatus for tensioning a buoy to an anchoring location  
A method of installing a production buoy at a subsea anchoring location is disclosed. The method includes floating a production buoy over a subsea anchoring location. Then, hanging at least a...
8956081 Ice worthy jack-up drilling unit with gas agitated ice prevention  
An ice worthy jack-up rig that may extend the drilling season in shallow water off shore Arctic or ice prone locations. The rig would work like a conventional jack-up rig while in open water with...
8926225 Leg mating unit  
A leg mating unit for installation of offshore structures. A housing has a ram movably mounted in the housing. Elastomeric material is received in the housing immediately below the ram. An open...
8915677 Jack-up rig with leg-supported ballast loads  
A jack-up rig for offshore operations comprises a hull. In addition, the rig comprises a support leg moveably coupled to the hull. The support leg has a central axis, an upper end, and a lower end...
8911179 Dual-derrick ice-worthy jack-up drilling unit  
The invention relates to a jack-up rig. The inventive rig would work like a conventional jack-up rig while in open water with the hull jacked up out of the water. However, in the event of ice...
8905677 Subsea fluid storage system and methods therefor  
The inventive subject matter provides apparatus, systems and methods by which one can safely and effectively store fluids in undersea environments. Fluid is stored in a flexible bladder that is at...
8899880 Structure-assisted jackup system  
The present invention provides a structure-assisted Jackup system comprising a Jackup drilling unit with a main deck structure and a plurality of legs movably coupled with the main deck structure,...
8899879 Structure-supported jackup system  
A structure-supported Jackup system comprising a Jackup drilling unit with a main deck structure and a plurality of legs movably coupled with the main deck structure, two or more support base...
8894810 Floating salt farm  
A floating salt farm in which its purpose is to produce crystallized salt and bittern at offshore locations through the evaporation process using extracted seawater. The floating salt farm...
8888407 Method and a device for sealing and/or securing a borehole  
The invention relates to a method and a device for sealing a borehole from which oil discharges uncontrolled. Thereby, a hull is filled with cement and the cement mass is lowered around a...
8888410 Modular heavy lift system  
A single heavy lift system is made of modular units, each of which has a pair of supporting legs carrying a transverse beam therebetween. The beam is engaged to the supporting legs through jackup...
8876434 Method and device for installing a tidal power plant  
There is provided 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...
8875805 Mobile drilling system and a methodology for installation of the system  
A mobile drilling system comprising a top member with a drilling rig positioned thereon. The top member is removably engaged with a foundation member. The foundation member comprises a tower. The...
8870497 Ice worthy jack-up drilling unit with conical piled monopod  
The invention relates to an ice worthy jack-up rig with a conical piled monopod working together to drill wells and produce hydrocarbons in ice prone locations. The inventive rig would work like a...
8864420 Offshore systems and methods for liquefied gas production, storage and offloading to reduce and prevent damage  
Disclosed are systems and methods for limiting structural damage to an affected offshore platform and preventing damage spread from the affected offshore platform to another platform during an...
8833462 Method and system for installing subsea well trees  
The disclosure provides a method and system of installing subsea well trees, comprising: creating a glory hole having a depth below a seabed at a well location of a hydrocarbon reservoir; moving a...
8820254 Catamaran ship used for assembling, transporting and installing a marine wind turbine on the seafloor  
A catamaran-type boat suitable for handling, assembling, and/or transporting off-shore wind turbines, the boat having two side floats constituting a U-shaped floating structure, the open space...
8821071 Conical piled monopod  
A conical piled monopod provides a fixed, ice worthy structure used in cold weather offshore environments for accessing hydrocarbon deposits under the seafloor.
8807875 Ice worthy jack-up drilling unit with conical piled monopod and sockets  
The invention relates to an ice worthy jack-up rig with a conical piled monopod working together to drill wells and produce hydrocarbons in ice prone locations. The inventive rig would work like a...
8794875 Gravity foundations for tidal stream turbines  
A method for mounting at last one tidal turbine and its associated support structures in a river or sea bed. The turbine and associated support structures are joined to a base of such weight as to...
8753039 Device for transporting and placing a bridge of an offshore oil rig for sea operation onto a floating or stationary structure  
A device for transporting and placing a bridge (1) of an offshore oil rig onto a floating or stationary mounting structure (3). The device has two parallel floating barges (10) for mounting the...
8689881 Offshore unit and method of installing wellhead platform using the offshore unit  
An offshore unit includes a hull and/or a deck frame, a mat attached to at least one connecting leg or a spud can attached to each of at least one connecting leg or lower hull attached to at least...
8678707 Well-head blowout containment system  
An underwater oil well blowout spill containment system includes a folded curtain positioned in a magazine around a deep water well head and blowout preventer (BOP). The magazine is positioned...
8657533 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...
8628274 Tension leg connection system and method  
Floating construction (1) having a base (2), a tensioning member (17, 18) extending from the sea bed in the direction of the base, a connector (27, 28) at an upper end (16,19) of the tensioning...
8613569 Stationary positioned offshore windpower plant (OWP) and the methods and means for its assembling, transportation, installation and servicing  
An offshore windpower plant (OWP) including a wind turbine and foundation and a new method of installing them that exclude the use of a jack up crane vessel. By this system and method, named OWP...
8523491 Mobile, year-round arctic drilling system  
A mobile, year-round drilling system (MYADS) for drilling offshore wells and/or performing other offshore activities at multiple, successive locations in an arctic or sub-arctic environment is...
8430602 System for increased floatation and stability on tension leg platform by extended buoyant pontoons  
The disclosure provides a tension leg platform (“TLP”) with a plurality of buoyant pontoons suitable for highly disturbed seas that can expand the stability of the tension leg platform by...
8403058 Offshore unit and method of installing wellhead platform using the offshore unit  
An offshore unit includes a hull and/or a deck frame, a mat attached to at least one connecting leg or a spud can attached to each of at least one connecting leg or lower hull attached to at least...
8312828 Preloading to reduce loads and save steel on topsides and grillage of catamaran systems  
The present invention reduces loads and saves steel on topsides and grillage of a catamaran system by creating a lifting force from a barge to the topsides to offset a sagging bending moment of...
8282316 Method and assembly for installing oilfield equipment at the water bottom  
Subsea oilfield equipment (2), such as an oil and/or gas production template, is installed at the water bottom (16) by means of a submerged installation vessel (1) from which hoisting lines (3A,...
8251615 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...
8240955 Tower segments and method for off-shore wind turbines  
A method for erecting an off-shore wind turbine includes providing a wind turbine tower socket segment that includes a basin positioned at one end of the wind turbine tower socket segment. The...
8230802 Method for transporting, erecting and replacing a nacelle including the rotor of an offshore wind turbine and watercraft for carrying out the method  
Method for installing (or replacing) a unit on the tower of an offshore wind turbine, which unit comprises a rotor including a hub and one or two rotor blades, and a nacelle receiving a gearbox...
8070388 Structure for transporting, commissioning and decommissioning the elements of a fixed oil platform and methods for implementing such a structure  
The invention relates to a structure for transporting, installing and dismantling a fixed oil platform provided with framework elements which are substantially formed by a bridge and at least one...
7934887 Complementary locking system for locking legs to the deck of an offshore drilling platform and methods for installing one such locking system  
A complementary locking system for locking legs to the deck of a jack-up offshore drilling platform is disabled. The system includes at each leg, at least one assembly comprising plates forming...
7887261 Method for the transport of a civil engineering structure in an aquatic medium  
The invention provides a method for the transport of a civil engineering structure in an aquatic medium. According to this method: at least one float is associated with the civil engineering...
7882792 Auxiliary floating structure and procedure for descent of equipment into the sea  
The present invention refers to a floating auxiliary structure, similar to a floating rigid portal, of simple construction and low cost, designed to facilitate moving of equipment of large sizes...
7850398 Jackup oil rig and similar platforms  
A jackup rig having a built-in capability of driving and extracting piles without need for dedicated pile drivers or extractors. The jackup rig provides an ice breaking functional capability,...
7717642 Buoyancy stabilized pier  
A bridge and pier structure are disclosed for extending over a waterway, wherein the pier structure includes a chamber filled with air or other buoyant material such that a buoyancy force is...
7690866 Offshore oil-drilling rig and methods for installing same on an offshore oil-drilling site  
An offshore oil-drilling rig comprising a deck mounted mobile on legs, each leg including a support base on the sea floor and a caisson open at its base and designed to penetrate into the sea...
7513713 Structure for transporting, commissioning and decommissioning of a deck of a fixed oil platform and method for implementing the structure  
A structure for the transport, installation and dismantlement of a deck (2) of a fixed oil platform (1) for maritime use, the structure including a floating U-shaped hull (11) fitted with at least...
7467912 Extendable draft platform with buoyancy column strakes  
In an Extendable Draft Platform including a deck, a plurality of buoyancy columns installed in column wells in the deck for movement from a raised position to a submerged position, and a heave...
7325628 Anchor for vehicle, vehicle and anchor in combination, and method of using the anchor  
A seabed anchor (20) is fixed to and deployable from an ROV (10) for positively anchoring the ROV (10) to the seabed (100). The seabed anchor (20) comprises three nested telescoping tubes (26, 28,...
7311469 Floating lowering and lifting device  
A floating lowering and lifting device (1) includes a floating structure (2) and a lifting unit (3) lowerable from the floating structure (2) towards the sea bed, the lifting unit (3) having a...
7299760 Floating LNG import terminal and method for docking  
A floating terminal for offloading an LNG carrier vessel in the sea. The floating terminal of open frame construction is moored toward its front end with a rotatable mooring arrangement so that...
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...

Matches 1 - 50 out of 365 1 2 3 4 5 6 7 8 >