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JP6854033B1 |
To provide a gantry which stably functions as a heavy machinery work scaffold, a passage, etc. even in a place where a water level changes, at a low manufacturing cost. In the installed state, A frame member 20 arranged between a plurali...
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JP6855760B2 |
To shorten an on-site construction period more than before when constructing a platform at a position higher than a water surface.A self-lift type water area platform has a platform body part 12, a gripping tool 16 mounted to the platfor...
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JP6851752B2 |
To provide a positioning system and others that facilitate positioning in an approaching direction and in a plane orthogonal to the approaching direction while effectively absorbing fluctuation in a relative distance and an impact load i...
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JP6756071B2 |
To provide an evacuation float that can be properly arranged according to the size and shape of the land.By fixing a base part 3 on the ground and arranging a plurality of mooring towers 4 from the base part 3 and disposing a floating bo...
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JP6731922B2 |
A cold water pipe assembly, and mechanisms for generating a cold water pipe assembly, are provided. A plurality of mooring lines are secured to a pipe end member. A pipe segment of a plurality of pipe segments is slidably coupled with re...
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JP6713342B2 |
To provide an installation method of a jacket structure that facilitates positioning of a jacket structure to be installed and enhance work efficiency of the installation work.A jacket structure 1 is moved downward using a crane 7, and a...
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JP6694639B1 |
To provide an elevating device capable of stabilizing engagement between an engaging pin of a lock device and an engaged portion of a leg, and suppressing an increase in weight and cost of the leg, and a workbench provided with the eleva...
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JP2020510145A |
The present invention relates to a self-sustaining, floating, heavy-duty foundation 1 for coupling with a floating offshore facility for the conversion of wind or solar energy to electrical energy. One solid plate 2 and at least one fill...
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JP6616959B2 |
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JP6595690B1 |
To provide a means capable of seating a plurality of legs of a self-elevating workbench on the bottom of water in a stable state. While a plurality of legs 52 of a self-elevating workbench 5 are lowered toward a water bottom 3, at least ...
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JP6588775B2 |
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JP6544556B2 |
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JP6523786B2 |
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JP6449652B2 |
A lifting platform for use in a body of water has (a) a plurality of float modules, each float module having a buoyancy compartment, and each float module being attached to adjacent float modules by means of flexible joints; (b) at least...
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JP3218236U |
To provide a storm device and a marine human housing system which can prevent seawater from entering a house on a deck and can effectively use the space on the deck. A maritime human residence system includes a deck and a house built on ...
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JP6357438B2 |
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JP6286528B2 |
A system and method of drilling oil and gas wells in arctic or other environments having adverse conditions. A marine hydrocarbon operations structure may comprise a caisson body having a top surface which defines an opening and a shaft ...
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JP2018020622A |
To provide an oscillation reduction device for a floating body structure which can reduce oscillation due to wave to a level with no problem on residence, and a floating body structure.A device 16 for reducing oscillation of a floating b...
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JP6242033B1 |
[Subject] Unlike a conventional gravity-type pillar, the present invention is using lift and a cable and provides installation of a cheap pillar all over the sea. [Means for Solution] A buoyancy part (2) which included a source of lift l...
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JP6194213B2 |
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JP6181668B2 |
The invention relates to a seabed foundation (1) for an offshore facility, comprising a primary pressure chamber (7) connected to a primary pump (8) and one or more secondary pressure chambers (9) connected to one or more secondary pumps...
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JP6169480B2 |
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JP6163492B2 |
Process for installing an offshore tower, comprising: a) manufacturing a foundation comprising a block (1, 1′), manufacturing at least one superposition section of a shaft (7), and manufacturing a base section (25) of a shaft; b) apply...
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JP6124286B2 |
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JP2017077738A |
To provide a fluid pressure cylinder type lifting device which is easily manufactured and is excellent in maintainability.A fluid pressure cylinder type lifting device 1 includes: a first attachment and detachment device 7 in which an up...
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JP2017508087A |
In the present invention, a hollow roll for fixing the bottom of the water used for the water platform and a construction method thereof have been provided. A steel roll with an inner diameter slightly longer than the hollow roll is driv...
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JP6075738B2 |
The invention relates to a mooring device that is suitable for use in water. The mooring device includes a pile configured to be embedded in a floor supporting the body of water, at least one arm configured to engage at least one entity,...
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JP6069587B2 |
The present invention relates to a seabed ground excavation method for easily excavating the ground even in the seabed to construct a mono-pile by which a wind power generator, etc. can be installed. The seabed ground excavation method, ...
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JP6069651B2 |
A boat launch for the pillars of offshore installations includes fender pipes extending substantially perpendicularly to sea level and a ladder being positioned closer to the pillars than the fender pipes. The fender pipes have an inner ...
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JP6057533B2 |
The invention describes a jacket assembly guide (5) for assembling a jacket structure (1), which jacket structure (1) comprises a plurality of legs (10, 100), a plurality of connecting braces (11) and a plurality of node elements (20A, 2...
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JP6022170B2 |
The vessel has branches defining parallel shells, and a connecting bridge for connecting the branches. A set of rigid and vertical columns passes from one end to another end of the vessel and includes lower ends, where each end is provid...
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JP6000688B2 |
To provide an artificial ground floating structure for evacuation which prevents a structure from collapsing when hit by an earthquake and prevents the same from inundation when hit by a flood.An artificial ground floating structure for ...
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JP5961887B2 |
A subsea production system for conducting hydrocarbon recovery operations in a marine environment, including a trussed tower having a first end including a base residing proximate the seabed and a second end having a landing deck configu...
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JP5957489B2 |
A mooring method of the present invention includes a transportation step of transporting a mooring member (1) having a mooring cable (10) which can be connected to a float at one end (10a) thereof and an accommodation member (20) which i...
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JP5923048B2 |
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JP5893408B2 |
Seabed scour about a seabed-mounted foundation or renewable energy device or anchor therefore, especially a wind-turbine monopile may be prevented or reduced by installing on or in the seabed area about the foundation or device an arrang...
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JP5851264B2 |
To provide a hydraulic composition capable of exerting enough performance even if it is used as internal concrete applied in an RCD construction method etc. while using recycled materials.A hydraulic composition of a suitable embodiment ...
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JP5830423B2 |
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JP5828918B2 |
To provide a low water-permeability crushed stone material of a natural clay mineral, which has uniform quality and is inexpensive and with which water can be shut off permanently, and to provide a method for measuring density of the sam...
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JP5820861B2 |
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JP2015206252A |
To provide a marine construction method of a platform in which the work of lowering a floating body with high center of gravity making pier studs stand upside down on the sea and the work of moving the floating body can be performed safe...
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JP5813109B2 |
A temporary template structure for placing columns or piles underwater. The structure includes an elongate leg member 1 which extends perpendicularly from a base 3 to a platform 5 which it supports. The structure may be carried to a suit...
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JP5801103B2 |
The invention relates to a method of installing foundation elements, in particular (mono)piles (2), in an underwater ground formation (3), by means of a driver (4), comprising the steps of placing a foundation element (2) on the underwat...
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JP5774158B2 |
A method of installing a support structure required to be installed in a sea or river bed, involving so constructing the support structure that is capable of being temporarily self standing on the sea or river bed prior to and throughout...
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JP5715248B2 |
Compliant offshore platforms with isolated decks using one or more bearings located on a generally horizontal plane that is in proximity to the vertical center of gravity of the deck.
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JP5707593B2 |
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JP5708982B2 |
To surely prevent concrete filled in a clearance of a connection part between a steel pipe pile and a steel pipe column from leaking while performing connection work of a steel pipe pile foundation and the steel pipe column of a jacket a...
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JP2015511283A |
Offshore wind farms (OWPs) include wind turbines and foundations that have the means to enable the installation of wind turbines and foundations in new ways that eliminate the use of jack-up crane vessels. This method, referred to as OWP...
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JP2015048573A |
To provide a ring-shaped wall positioning method using a liner plate capable of three dimensionally and precisely positioning a ring-shaped wall at an uppermost stage in an initial borehole and easily positioning even at a narrow site.A ...
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JP2015037925A |
To provide a self-elevating working barge that enables the efficient execution of work for bringing about bottom contact of an elevating leg for supporting the working barge and work for lifting and lowering a barge body.A self-elevating...
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