JP5297606B2 - Installation method of offshore wind turbine generator - Google Patents

Installation method of offshore wind turbine generator Download PDF

Info

Publication number
JP5297606B2
JP5297606B2 JP2007174991A JP2007174991A JP5297606B2 JP 5297606 B2 JP5297606 B2 JP 5297606B2 JP 2007174991 A JP2007174991 A JP 2007174991A JP 2007174991 A JP2007174991 A JP 2007174991A JP 5297606 B2 JP5297606 B2 JP 5297606B2
Authority
JP
Japan
Prior art keywords
type floating
spar type
catamaran
spar
floating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2007174991A
Other languages
Japanese (ja)
Other versions
JP2009013829A (en
Inventor
康伸 廣井
定義 山内
基久 原
幸成 福本
Original Assignee
五洋建設株式会社
東京電力株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 五洋建設株式会社, 東京電力株式会社 filed Critical 五洋建設株式会社
Priority to JP2007174991A priority Critical patent/JP5297606B2/en
Publication of JP2009013829A publication Critical patent/JP2009013829A/en
Application granted granted Critical
Publication of JP5297606B2 publication Critical patent/JP5297606B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

Description

  The present invention relates to a catamaran for installing an offshore wind power generator and an installation method of the offshore wind power generator.

The installation of a spar-type floating offshore wind power generator in a deep sea area involves towing the spar-type floating body to the installation site in a lying state, then injecting ballast water into the spar-type floating body and standing upright, and mooring connected to the anchor A method of attaching a strut, a nacelle and a blade after connecting a rope to a spar type floating body is considered. In such installations, semi-submersible pontoons and dredgers are used for towing spar-type floating bodies, and DPS (automatic position holding device) basins and dredgers are used for rotation and upright of spar-type floating bodies. A DPS barge is used for the installation, a winch barge and a dredger are used for attaching the mooring lines, a dredger and a barge are used for carrying the blades, and a DPS barge is used for attaching the blades. used. Moreover, as another installation method of an offshore wind power generator, the invention of Unexamined-Japanese-Patent No. 2005-69025 is disclosed, for example.
JP 2005-69025 A

  However, since the above installation method requires different ships in each process, the construction efficiency is poor. At deep water, the mooring line cannot be moored, and the position must be maintained by the DPS trolley. In addition, there is a problem that the use of ships such as a crawler crane on a trolley is restricted because a hoist ship cannot be used.

  The present invention has been made in view of the above problems, and its purpose is to reduce the cost and shorten the construction period by minimizing the number of necessary ships. It is to provide a method for installing a shipboard and an offshore wind power generator.

In order to solve the above problems, the offshore wind power generator installation method is to store a spar-type floating body on the sea surface between two hulls connected at appropriate intervals by a connecting member, and store it in a sideways state while being towed. A storage part is formed, and a storage part for storing a spar type floating body that rotates and stands upright on the sea surface is formed in the front part of the connecting member, and a spar type is formed on the deck of the front part of the hull on both sides of the storage part. A winch that winds up the wire that fixes the tip of the floating body is installed, and the hull forms a catamaran with an automatic position holding device , and a spar type floating body is installed in the storage section between the hulls of the catamaran. After ascending to the sea surface and stored in a towed state, towed the catamaran to the installation point of the spar type floating body, towed the catamaran to the installation point of the spar type floating body,
Hanging from the catamaran with a plurality of anchors connected to a mooring line,
Thereafter, the spar type floating body is infused with ballast water into the spar type floating body, and connected to a winch provided on the front deck of the hull through a locking roller of the spar type floating body from a bit on the rear deck of the hull. The catamaran is suspended by being suspended by a mooring chain, and the spar type floating body is rotated upright around the tip of the spar type floating body supported by the mooring chain from the sheave provided at the front of the hull. The spar type floating body is supported by the anchor by connecting the mooring chain connected to the bit and the anchoring line of the anchor, and the column, nacelle and blade are attached to the spar type floating body. The mooring chain connected to the bit is attached to the upper part of the spar type floating body, and the spar type floating body is sunk to the position when completed .
Further, the catamaran is provided with air cushions for fixing a spar type floating body floating on the sea surface on the side surface of the hull forming the storage portion and the inner peripheral surface of the storage portion. including.
The nacelle and blades are constructed by assembling a tower mast for installation around the lower column for the column previously installed on the spar type floating body, and lifting the upper column on the lower column by a lift-up device installed thereon. It is to be attached to the support with the lift-up device after forming the support.

  Since a catamaran capable of towing, rotating, and standing up a spar type floating body can be provided, efficient and economical construction can be performed. In addition, the catamaran has a large deck space on the top of the connecting member, so it is necessary to mount work machines such as crawler cranes, load materials, and attach struts, nacelles and blades to an upright spar type floating body. Can do. In addition, the cylindrical spar floating body can be stored in a lying state in the storage section between the two hulls, and the spar floating body can be rotated upright at the same location. In addition, since the automatic position holding device is installed, the position can be held without using a mooring line in any deep water area. Moreover, the spar type floating body can be fixed to the catamaran with a wire easily and in a short time. In addition, the installation of the offshore wind power generator can be performed efficiently and economically with the minimum required work boat. In addition, by placing a column, a nacelle, and a blade on the lift-up device, it is possible to perform the lift-up and attachment without being affected by some fluctuation. Moreover, the lower support | pillar previously attached to the spar type | mold floating body can be made into the reaction force of a lift-up apparatus.

Hereinafter, an embodiment of an installation method of an offshore wind power generator according to the present invention will be described in detail with reference to the drawings. First, a catamaran will be described, and then an offshore wind power generation apparatus installation method using the catamaran will be described. In each embodiment, the same components are described with the same reference numerals, and different configurations are described. Only different symbols will be given for explanation.

  1 to 3 show a catamaran 1 according to the present invention. The catamaran 1 stores a spar-type floating body in a laid-down state and tows it, and rotates it upright to support a column, a nacelle and a blade. Is to be installed.

  This catamaran 1 is configured by connecting two hulls 2 with a connecting member 3 at an appropriate interval, and a storage portion 4 for storing a spar type floating body is formed between these hulls, and the connecting member A storage portion 5 for storing an upright spar type floating body is cut out at the front portion of 3. The storage section 4 is formed between the two hulls 2 along the length direction thereof, and has a length and a width capable of storing the spar type floating body.

  In addition, a spar type floating body that is stored in an overlaid state with an air cushion 6 installed on a side surface of the hull 2 that forms the storage unit 4 and an inner peripheral surface of the storage unit 5, and a spar type floating body that is stored upright. And are fixed respectively.

  In addition, a winch 8 and a sheave 22 are installed at a position where the storage unit 5 is located in front of the deck of the second hull 2, and a spar type floating body stored in a storage unit 4 in a lying state with a wire 7 from the winch 8. To fix.

  Further, the catamaran 1 is provided with an automatic position holding device 9 for automatically holding the hull position and the hull orientation at a predetermined position (desired position) in the installation sea area. The automatic position holding device 9 is composed of a hull position measurement system 10 and various sensors 14 such as an anemometer 11, an anemometer 12 and an azimuth meter 13, and the hull is determined with a required accuracy by signals from these sensors. The necessary force and moment for maintaining the position are calculated, and a command is issued to the four thrusters 15.

  Therefore, when this command is started to the engine unit 16 installed in front of and behind the second hull 2, the thruster 15 is activated to automatically hold the hull position and hull direction, and anchor placement is required. It can be installed even in deep waters.

  Further, since the connecting member 3 is a steel plate of an appropriate thickness that connects the two hulls 2, the upper surface becomes a vast deck plate, and there is an assembly equipment 17 for the tower mast for erection and the lift-up device, a claw crane, etc. The construction machine 18, the upper support | pillar 46 installed in the spar type | mold floating body 23, the nacelle 20, the braid | blade 21, etc. are mounted.

  Next, the installation method (henceforth an installation method) of the offshore wind power generator using this catamaran 1 is demonstrated based on FIGS.

  FIG. 4 shows a manufacturing process of the spar type floating body 23. This spar type floating body 23 is configured by continuously connecting cylindrical precast concrete blocks 24. The precast concrete block 24 is manufactured by a match cast method in a manufacturing facility equipped with concrete placing equipment and lifting equipment.

  This match cast method is a method of placing concrete by using the upper surface of the concrete block 25 manufactured in advance as a formwork, and there is an advantage that no error occurs in the joint surface when the precast concrete block 24 is connected. is there. Since the precast concrete block 24 is cylindrical, the next concrete block 26 is continuously placed on the upper surface of the preceding concrete block 25.

  Then, since the upper surface of the next concrete block 26 placed on the upper surface of the preceding concrete block 25 is used as a formwork for the next concrete block, the upper concrete block (following concrete block) 26 is driven. After installation, the concrete block 26 is lifted upward by a crane or the like, the preceding concrete block 25 is pulled out to the side, and then the upper concrete block 26 is hung down.

  Next, the concrete block 25 pulled out to the side is turned 90 degrees using the turntable 27 and moved by the portal crane 28, and temporarily placed until the precast concrete block 24 for one spar type floating body is completed. To do. After the precast concrete block 24 for one unit is completed, an adhesive is applied to the joint surface of each precast concrete block 24, and these are joined together and prestressed with a PC steel (not shown). Turn into.

  In this way, the large-diameter floating body 29 and the small-diameter floating body 30 are assembled and formed, the lid 31 is put on the front and back of the large-diameter floating body 29, and the small-diameter floating body 30 is joined to the front lid 31. Are integrated with PC steel, and the lower support 32 is installed at the front of the small-diameter floating body 30, thereby completing a spar-type floating body 23 having nine ballast tanks 33 inside. Then, the spar type floating body 23 is loaded on the semi-submersible trolley 34.

  Next, the semi-submersible trolley 34 is submerged from the sea surface 35 to launch the spar type floating body 23. In this, seawater is injected into the stern side with a submersible pump and settling starts from the stern 36 of the semi-submersible boat, and the spar type floating body 23 is landed from the stern side. Next, as shown in (1) of FIG. 5, when the semi-submersible ship 34 is submerged to the maximum dredging, the spar type floating body 23 floats on the sea surface 35.

  Next, the spar-type floating body 23 that has been levitated is pulled out from the semi-submersible ship 34. As shown in (2) of the figure, first, the mooring wire 37 on the bow side is unwound to spar-type floating body. 23 is moved to the bow side, and is attached to the mooring wire 37 on the stern side. Then, while starting the rolling out from the bow side, the mooring wire 37 is also fed out in accordance with the rolling out, but care is taken not to shake more than necessary. Then, as shown in (3) of the figure, when the spar type floating body 23 is separated from the semi-submersible trolley 34, the mooring wire 37 is released and the tugboat 1 is towed.

Next, as shown in FIG. 6, the wire 7 from the catamaran 1 is connected to the tip of the towed spar floating body 23, and this is wound up by the winch 8, so that the spar floating body 23 is connected to the catamaran. Ship 1
In the storage section 4 , it floats on the sea surface and is stored in a towed state while being towed and fixed with the wire 7 and the air cushion 6. Then, the catamaran 1 in which the spar type floating body 23 is stored is towed to an installation point by a tug boat.

Next, this catamaran 1 holds a predetermined position and a predetermined direction at the installation point by the operation of four thrusters 15 based on a command from the automatic position holding device 9 as shown in FIG. To do. And as shown to (2) of the figure, the concrete or steel anchor 40 is suspended from the rear deck with the winch 39, and this is installed in four places with appropriate distance. These anchors 40 are connected to mooring lines 41, as shown in FIG. 7 (3), the wire 38 is connected to the tether 41.

  Next, as shown in (1) of FIG. 8, seawater as ballast water is injected into the ballast tank 33 of the spar type floating body 23 stored sideways in the storage section 4 of the catamaran using a submersible pump. The mooring chain 42 is connected to the spar type floating body 23. The mooring chain 42 is connected to the wire 7 in the winch 8 on the front deck of the hull through a bit 43 on the rear deck of the second hull 2 and via a spar-type floating body locking roller 44. Therefore, the four mooring chains 42 are attached to the spar type floating body 23 along the length direction.

Next, as shown in (2) and (3) of the figure, seawater as ballast water is continuously poured into the ballast tank 33 while paying attention to the inclination state, flooding and sea conditions of the spar type floating body 23. Then, the spar type floating body 23 is inclined from the rear side. Then, when the wire 7 of the winch 8 is sent out along with this inclination, the rear side of the spar type floating body 23 sinks so as to be suspended by the mooring chain 42 connected to the bit 43, and the sheave 22 at the front portion It rotates upright about the front end supported by the mooring chain 42 and stands upright.

  Thus, the spar type floating body 23 stored sideways in the storage section 4 of the catamaran is upright by rotating around the front in the same storage section 4, and as shown in FIG. The state is stored in the storage unit 5.

  Then, after connecting the mooring chain 42 and the mooring line 41 connected to the anchor 40, when the mooring chain 42 is wound up by the winch 8, the hull and the spar type floating body 23 become an integrated floating body via the mooring chain 42. As shown in FIG. 10, the spar type floating body 23 is supported by the anchor 40 in an upright state.

  Next, as shown in FIG. 11, an erection tower mast 47 is assembled around the lower support 32 in the spar type floating body 23 using the assembly equipment 17 previously placed on the upper surface of the connecting member 3. The lift-up device 45 is installed in this. The upper column 46 is lifted up by the lift-up device 45 and joined to the lower column 32 to form the column 19. Next, the nacelle 20 and the blade 21 are lifted up by the lift-up device 45 and attached to the column 19.

  Next, after attaching these, the mooring chain 42 is attached to the upper part of the spar type floating body 23, and the lift-up device 45 is disassembled. And if the spar type | mold floating body 23 is sunk to the position at the time of completion, the offshore wind power generator 48 will be installed in the sea.

  In the above embodiment, the offshore wind power generation device 48 is installed on the sea, but this is not limited to the sea and may be on the lake.

It is a top view of a catamaran. It is a side view of a catamaran. It is a front view of a catamaran. It is process drawing which shows the manufacturing process of a spar type | mold floating body, and loading to a semi-submersible trolley. It is a method of rolling out a spar type floating body from a semi-submersible trolley, (1) is a side view, and (2) and (3) are plan views. It is a top view which stores a spar type floating body in a catamaran. It is the installation method of an anchor, (1) is a top view of a catamaran, (2) is the same side view, (3) is a top view of the installed anchor. (1)-(3) is a figure which shows rotation of the spar type | mold floating body by a mooring wire. It is a side view showing rotation of a spar type floating body in a catamaran. It is a front view of the spar type floating body supported by the anchor. This is a method of attaching struts, nacelles and blades to a spar type floating body, (1) is a plan view of a catamaran, and (2) is a side view thereof.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Catamaran 2 Hull 3 Connecting member 4 Storage part 5 Storage part 6 Air cushion 7, 38 Wire 8, 39 Winch 9 Automatic position holding device 10 Hull position measurement system 11 Wind direction meter 12 Anemometer 13 Direction meter 14 Sensor 15 Thruster 16 Engine unit 17 Assembly equipment 18 Crawler crane 19 Strut 20 Nacelle 21 Blade 22 Sheave 23 Spar type floating body 24 Precast concrete block 25, 26 Concrete block 27 Tumble table 28 Gate type crane 29 Large diameter floating body 30 Small diameter floating body 31 Lid 32 Lower column 33 Ballast Tank 34 Semi-submersible 35 Sea Surface 36 Stern 37 Mooring Wire 40 Anchor 41 Mooring Line 42 Mooring Chain 43 Bit 44 Locking Roller 45 Lift-up Device 46 Upper Column 47 Construction Tower -Mast 48 offshore wind power generator

Claims (3)

  1. A storage part is formed between two hulls connected at an appropriate interval by a connecting member, and a spar type floating body is levitated on the sea surface and stored in a towing state while being towed, and a front part of the connecting member is rotated. A storage part for storing the spar type floating body standing upright on the sea surface is cut out, and a winch for winding a wire for fixing the tip of the spar type floating body is installed on the deck of the front part of the ship side on both sides of the storage part. Form a catamaran with an automatic positioning device ,
    In the storage section between the hulls of the catamaran, the spar type floating body is levitated on the sea surface and stored in a towing state while being towed, and the catamaran is towed to the installation point of the spar type floating body,
    After towing the catamaran to the installation point of the spar type floating body,
    Hanging from the catamaran with a plurality of anchors connected to a mooring line,
    Thereafter, the spar type floating body is infused with ballast water into the spar type floating body, and connected to a winch provided on the front deck of the hull through a locking roller of the spar type floating body from a bit on the rear deck of the hull. The catamaran is suspended by being suspended by a mooring chain, and the spar type floating body is rotated upright around the tip of the spar type floating body supported by the mooring chain from the sheave provided at the front of the hull. The spar type floating body is supported by the anchor by connecting the mooring chain connected to the bit and the anchoring line of the anchor, and the column, nacelle and blade are attached to the spar type floating body. An offshore wind power generator characterized in that a mooring chain connected to the bit is attached to an upper part of a spar type floating body, and the spar type floating body is sunk to a completed position. The method of installation.
  2. The catamaran is equipped with an air cushion for fixing the spar type floating body floating on the sea surface on the side surface of the hull forming the storage portion and the inner peripheral surface of the storage portion. The installation method of the offshore wind power generator of Claim 1.
  3. The nacelle and blade lift up the upper strut above the lower strut by the lift-up device that is assembled on the tower mast assembling around the lower strut for the strut previously installed on the spar type floating body. Then, after forming a support | pillar, it attaches to this support | pillar with the said lift-up apparatus, The installation method of the offshore wind power generator of Claim 1 or 2 characterized by the above-mentioned.
JP2007174991A 2007-07-03 2007-07-03 Installation method of offshore wind turbine generator Active JP5297606B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007174991A JP5297606B2 (en) 2007-07-03 2007-07-03 Installation method of offshore wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007174991A JP5297606B2 (en) 2007-07-03 2007-07-03 Installation method of offshore wind turbine generator

Publications (2)

Publication Number Publication Date
JP2009013829A JP2009013829A (en) 2009-01-22
JP5297606B2 true JP5297606B2 (en) 2013-09-25

Family

ID=40355036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007174991A Active JP5297606B2 (en) 2007-07-03 2007-07-03 Installation method of offshore wind turbine generator

Country Status (1)

Country Link
JP (1) JP5297606B2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5330048B2 (en) * 2009-03-24 2013-10-30 戸田建設株式会社 Installation method of offshore wind power generation equipment
JP5274329B2 (en) * 2009-03-24 2013-08-28 戸田建設株式会社 Offshore wind power generation facility and its construction method
JP5189050B2 (en) * 2009-08-21 2013-04-24 第一建設機工株式会社 Connecting self-elevating work platform ship and installation method of wind power generation facilities in the open ocean
PT2493753E (en) * 2009-10-27 2013-10-17 Windflip As Partially submersible wind turbine transport vessel
DK2428443T3 (en) * 2010-07-12 2015-03-02 Jlangsu Daoda Offshore Wind Construction Technology Co Ltd Installation procedure and salvage method for offshore wind turbine
JP5736133B2 (en) 2010-07-23 2015-06-17 ジャパンマリンユナイテッド株式会社 Floating structure work system, work boat, and floating structure work method
JP5383631B2 (en) * 2010-11-18 2014-01-08 三菱重工業株式会社 Offshore wind turbine installation ship and offshore wind turbine installation method using the same
JP2012107585A (en) * 2010-11-18 2012-06-07 Mitsubishi Heavy Ind Ltd Ship for installing offshore wind turbines and method for installing offshore wind turbines using the same
KR101454379B1 (en) * 2012-06-21 2014-11-04 삼성중공업 주식회사 Floating structure and method for constructing thereof
CN104810070B (en) * 2015-04-22 2017-05-03 中国核动力研究设计院 Maintenance support base station and achievement method applicable to offshore floating nuclear power plant
JP5820953B1 (en) * 2015-06-29 2015-11-24 新日鉄住金エンジニアリング株式会社 Wind power generator assembly method, wind power generator disassembly method, wind power generator installation method, and wind power generator work ship
TWI585295B (en) * 2015-12-23 2017-06-01 Installation method and transportation equipment for underwater base of super large offshore fan
NO341961B1 (en) * 2016-05-23 2018-03-05 Remora As A vessel and method of employing a vessel, e.g. in a process of maintaining or assembling an offshore installation, a related assembly and apparatus
CN107725280B (en) * 2017-09-12 2019-04-19 西北工业大学 A kind of novel installation method of offshore set-up

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820391A (en) * 1994-07-05 1996-01-23 Mitsubishi Heavy Ind Ltd Steering system for ship
GB2315464A (en) * 1996-07-23 1998-02-04 John Gibson Agencies Ltd Transporting offshore structures
JP4743953B2 (en) * 2000-12-18 2011-08-10 三井造船株式会社 Floating wind power generator and its installation method
JP3951631B2 (en) * 2001-05-14 2007-08-01 Jfeエンジニアリング株式会社 Marine wind observation device and its installation method
JP2003034288A (en) * 2001-07-23 2003-02-04 Marino Forum 21 Manufacturing method for long length pipe on the water and installation method therefor
WO2003066427A1 (en) * 2002-02-08 2003-08-14 Fred. Olsen Renewables Ltd. Vessel for installation of erect structures
JP4401703B2 (en) * 2003-08-27 2010-01-20 三井造船株式会社 Installation method of offshore wind turbine generator
US7293960B2 (en) * 2003-10-23 2007-11-13 Shigeyuki Yamamoto Power generation assemblies, and apparatus for use therewith

Also Published As

Publication number Publication date
JP2009013829A (en) 2009-01-22

Similar Documents

Publication Publication Date Title
KR101813440B1 (en) Floating wind turbine with a floating foundation, and method for installation of such a wind turbine
US8613569B2 (en) Stationary positioned offshore windpower plant (OWP) and the methods and means for its assembling, transportation, installation and servicing
JP4794797B2 (en) How to install a levitating offshore structure
DK175261B1 (en) Vessel is for transporting windmill to offshore windmill park and involves windmill with base divided into at least three ballast tanks and at discharge point vessel
DK2436593T3 (en) Ship and method of transport and installation of offshore structures
US5609442A (en) Offshore apparatus and method for oil operations
CN101772450B (en) Elevating support vessel and methods thereof
RU2167781C2 (en) Buoy used for loading and unloading fluid material
US2771617A (en) Means for mooring and refueling boats, seaplanes, and the like
US5421676A (en) Tension leg platform and method of instalation therefor
US7815398B2 (en) Methods of positioning an elevating support vessel
US9822767B2 (en) Floating-body type wind turbine power generating apparatus and method of transporting components of the same
CN103228530B (en) Floating structure operating system, floating structure, operation ship and floating structure operational method
JP5022976B2 (en) Spar-type floating structure for offshore wind power generation, its manufacturing method, and its installation method
US6309269B1 (en) Variable buoyancy buoy for mooring mobile offshore drilling units
US20110158784A1 (en) Arm assembly and methods of passing a pipe from a first vessel to a second vessel using the arm assembly
US6651580B2 (en) Method and system for mooring
JP4401703B2 (en) Installation method of offshore wind turbine generator
JP5301929B2 (en) Towing and installation of tension mooring bodies and tension mooring bodies
JP2011112044A (en) Wind turbine fixing and lifting apparatus and movable operating platform on water
KR20100016369A (en) A system and method for the deployment of a hydroelectric turbine
CA2356528C (en) Working ship
AU2005250448B2 (en) Ballasting offshore platform with buoy assistance
US8689720B2 (en) Offshore equipment deploying and retrieving vessel
EP2993270A1 (en) Submersible structure for actively supporting towers of generators and sub-stations or similar elements, in maritime facilities

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100310

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20111215

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120110

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120308

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120925

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121115

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130521

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130617

R150 Certificate of patent or registration of utility model

Ref document number: 5297606

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250