Patent application number | Description | Published |
20090269144 | Extraction System For Removable Marine Footing - The present invention describes an extraction system ( | 10-29-2009 |
20090297276 | OFFSHORE FOUNDATION SYSTEM WITH INTEGRAL ELEMENTS FOR PRELOADING AND EXTRACTING - The present invention describes an offshore foundation system ( | 12-03-2009 |
20100050764 | APPARATUS AND METHOD FOR SOIL TESTING FOR JACK-UP RIGS - An apparatus for soil testing for a jack-up rig, the apparatus comprising a soil testing device integrated with a leg of the jack-up rig, the leg of the jack-up rig having a footing, an opening in the footing for allowing passage of an active portion of the soil testing device therethrough to obtain soil data from a seabed beneath the footing, and a retrieval assembly for retrieving the soil testing device. | 03-04-2010 |
20100096068 | PROTECTION AND REPAIR OF STRUCTURE SURFACES WITH HAND-LAID COMPOSITE MATERIALS - A method of protecting and repairing surfaces of structures using hand-laid epoxy and glass-aramid fabric composite is taught. Unlike the use of such composites as structural members, the present invention makes use of such composites in novel and inventive applications. Also unlike other methods, the invention is carefully hand-laid to conform closely to any irregular surfaces on the structure to be protected or repaired. The product of the method of the present invention is tougher than conventional paints and coatings and lasts significantly longer than conventional paints and coatings. | 04-22-2010 |
20100130077 | VEHICLE - A vehicle for use in arctic environments, the vehicle comprising a hull for accommodating people, and a pair of rotatable propulsion screws connected to the hull for propelling the vehicle on water, ice, snow and land. Each propulsion screw comprises a shaft having at least one blade helically disposed therearound. | 05-27-2010 |
20120055389 | INSTALLATION VESSEL - An installation vessel for installing an offshore structure, the installation vessel comprising a hull and a plurality of legs, each leg comprising vertical chords and cross braces, the hull having a plurality of leg openings each configured for passage of a leg therethrough, each leg opening having a number of jack-cases for supporting pinions thereon, each pinion being configured for rotatably engaging a rack disposed on a chord of the leg to move the leg relative to the hull, each jack-case comprising a number of guides for guiding passage of the leg through the leg opening, each guide comprising a plurality of angled surfaces configured for sliding engagement with a corresponding plurality of surfaces of a rack, each of the plurality of angled surfaces comprising a wear plate. | 03-08-2012 |
20120230773 | Skirted Foundation For Penetrating Soft Material - The present invention provides a skirted foundation that can be used in a jack-up rig for providing enhanced bearing capacity. The skirted foundation comprises a spudcan footing having an upper part and a base, wherein the upper part and the base are coupled at their peripherals to form an outer edge, wherein both the upper part and the base have a flat or conical configuration, and wherein the upper part supports one leg of a jack-up rig, and the base has a flat bottom or downward slope, and a skirt having an upper end being integrally coupled to the spudcan footing and downwardly projected to encircle the base and a lower end for penetrating seabed, wherein the skirt comprises a plurality of circumferential openings adjacent to the base of the spudcan footing and located within the top half of the skirt height. | 09-13-2012 |
20130101357 | DUAL-DERRICK ICE-WORTHY JACK-UP DRILLING UNIT - The invention relates to an ice worthy jack-up rig that may extend the drilling season in shallow water off shore Arctic or ice prone locations. 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 conditions, the hull is lowered into the water into an ice defensive configuration. The hull is specifically shaped with a lower portion that is an ice-bending surface to bend and break up ice that comes in contact with the hull while in the ice defensive configuration. Furthermore, the ice worthy jack-up rig that comprises at least two derricks so as to double the exploration efficiency and lower the relating costs. | 04-25-2013 |
Patent application number | Description | Published |
20080226397 | Interactive leg guide for offshore self-elevating unit - A leg guide for use in a leg of a jack up unit adapted to provide sliding guidance of the leg during vertical movement of the leg. The leg guide has a first portion contacting an edge of a leg chord and a second portion contacting a face of the leg chord along a longitudinal plane opposite the contact plane of the first portion. The edge contacting guide has a deflecting guide unit, which uses a compressible member sandwiched between two rigid plates. As the leg moves, the teeth of the leg chord contact the edge guide unit, with the compressible member absorbing compressible loads acting on the leg chord. The second portion provides for a face plate mounted transversely to the edge contacting guide for reducing the build-up of horizontal moment acting on the leg chord during the vertical movement of the leg and for reducing bending moments acting on the leg. | 09-18-2008 |
20110305521 | MOVABLE BRACE FRAME FOR SELF-INSTALLING PLATFORM - Pre-assembled self installing platforms with improved performance due to additional rotational restraint to supporting legs and methods of installation. The platform includes a hull, legs movable relative to the hull, at least one brace frame movably connected to at least two of the legs. Upon installation, the brace frame may be positioned at a desired elevation and rigidly secured to the legs, providing rotational restraint to significantly reduce leg stress and increase rigidity of the legs. With the increased rigidity, it becomes possible to install platforms in relatively deep waters and harsh environments, and yet preventing large overall platform sway induced by adverse weather or sea conditions. As the brace frame is securable to the legs after the legs or footings are penetrated into or supported on the sea bed, differential penetration of legs or footings into the seabed becomes possible without risking large structural loads in the brace frame. | 12-15-2011 |
20130230357 | Riser Protection Structures - The present invention provides a riser protection structure being suitable to be employed in a Jackup rig. The riser protection structure comprises a plurality of piles, an upper module, wherein the upper module comprises a main protection tubing for receiving a riser, a plurality of sleeves to be installed over the plurality of piles, and a connecting network; wherein the plurality of sleeves are disposed around the main protection tubing; and wherein the main protection tubing and the plurality of sleeves are connected together by the connecting network, and a lower module, wherein the lower module comprises a plurality of tubular guides for guiding and later fixing the piles and a connecting structure, wherein the plurality of piles are securely disposed into the seabed for providing the requisite support for the upper and lower modules when they are assembled. | 09-05-2013 |
Patent application number | Description | Published |
20090278026 | METHOD AND APPARATUS FOR FORMING A METAL-CEMENTITIOUS CORE-METAL COMPOSITE SANDWICH STRUCTURE - A method for forming a composite structure. The method comprises providing a first injection port on a first metal plate, spacing the first metal plate from a second metal plate such that the first metal plate and the second metal plate define a core cavity therebetween, casting a core of cementitious material into the core cavity, and injecting a bonding agent through the first injection port into an interfacial space between the core and the first metal plate. | 11-12-2009 |
20140147214 | Structure-Supported Jackup System - The present invention provides 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 structures disposed on seabed, and a plurality of movable supports, wherein each of the plurality of movable supports is securely coupled with either the main deck structure or one of the two or more support base structure. The present invention also provides a process for assembling the structure-supported Jackup system. | 05-29-2014 |
20140147215 | 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, one or more support base structures disposed on seabed, and a plurality of movable supports, wherein each of the plurality of movable supports is securely coupled with either the main deck structure or one or more support base structure. The present invention also provides a process for assembling the structure-assisted Jackup system. | 05-29-2014 |
20150315761 | Arctic Jackup Truss Leg - An arctic jackup truss leg comprises a plurality of chords, an outer bracing network with a plurality of bracing elements connecting the plurality of chords, an internal bracing network with a plurality of bracing elements, and a bridge plate network with a plurality of bridge plates, wherein each bridge plate has two ends that are coupled with the bracing elements of the outer bracing network and the internal bracing network respectively. | 11-05-2015 |