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GB2434341B - Vessel for removing offshore structures - Google Patents

Vessel for removing offshore structures

Info

Publication number
GB2434341B
GB2434341B GB0701082A GB0701082A GB2434341B GB 2434341 B GB2434341 B GB 2434341B GB 0701082 A GB0701082 A GB 0701082A GB 0701082 A GB0701082 A GB 0701082A GB 2434341 B GB2434341 B GB 2434341B
Authority
GB
United Kingdom
Prior art keywords
vessel
jacket structure
section
main
contact
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.)
Expired - Fee Related
Application number
GB0701082A
Other versions
GB2434341A (en
GB0701082D0 (en
Inventor
Birger J Natvig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delta Lifter Technologies AS
Original Assignee
Delta Lifter Technologies AS
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
Priority claimed from NO20034814A external-priority patent/NO318063B1/en
Application filed by Delta Lifter Technologies AS filed Critical Delta Lifter Technologies AS
Publication of GB0701082D0 publication Critical patent/GB0701082D0/en
Publication of GB2434341A publication Critical patent/GB2434341A/en
Application granted granted Critical
Publication of GB2434341B publication Critical patent/GB2434341B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/40—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
    • B63B35/42—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels with adjustable draught
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0052—Removal or dismantling of offshore structures from their offshore location

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Earth Drilling (AREA)

Abstract

A vessel 1 for lifting and transporting an offshore jacket structure (15, Fig 2) comprises a ballastable main buoyancy section 2 and two auxiliary buoyancy sections 3 protruding in the same direction on either side of the main section. The main buoyancy section is generally planar and has in plan view the outline of an isosceles triangle with an extension 4, 5 at the apex. The extension forms the fore part of the vessel and the base of the triangle 8, 9 forms the aft part. The auxiliary sections are located at opposite ends of the base. Through suitable ballasting the vessel may be rotated while in contact with the seabed into contact with the jacket structure, before being rolled back to an initial position with the jacket structure attached, before it is brought to the surface. The vessel may be made from stiffened flat steel plates.
GB0701082A 2003-10-28 2007-01-19 Vessel for removing offshore structures Expired - Fee Related GB2434341B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20034814A NO318063B1 (en) 2003-10-28 2003-10-28 Procedure for moving offshore construction
GB0610063A GB2423748B (en) 2003-10-28 2004-10-27 A method and vessel for removing offshore structures

Publications (3)

Publication Number Publication Date
GB0701082D0 GB0701082D0 (en) 2007-02-28
GB2434341A GB2434341A (en) 2007-07-25
GB2434341B true GB2434341B (en) 2008-01-30

Family

ID=38234358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0701082A Expired - Fee Related GB2434341B (en) 2003-10-28 2007-01-19 Vessel for removing offshore structures

Country Status (1)

Country Link
GB (1) GB2434341B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036813B1 (en) * 2007-09-12 2009-11-11 WeserWind GmbH Foundation structure and method for installing the same
GB0905198D0 (en) * 2009-03-26 2009-05-13 Subsea 7 Ltd Apparatus and method
NL1039368C2 (en) * 2012-02-08 2013-08-14 Peter Paul Thomas Cornelis Stoof SYSTEMS, METHODS AND MATERIALS FOR MOUNTAINING LARGE SHIPWRECKERS E.D.
GB2578294A (en) * 2018-10-18 2020-05-06 Deltalifter Tech As Method of installing a wind turbine in a body of water

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859804A (en) * 1973-02-27 1975-01-14 Brown & Root Method and apparatus for transporting and launching an offshore tower
US6540441B1 (en) * 1997-08-01 2003-04-01 Marine Shuttle Operations As Transporter for installation or removal of an offshore platform and a method for removal of an offshore platform

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859804A (en) * 1973-02-27 1975-01-14 Brown & Root Method and apparatus for transporting and launching an offshore tower
US6540441B1 (en) * 1997-08-01 2003-04-01 Marine Shuttle Operations As Transporter for installation or removal of an offshore platform and a method for removal of an offshore platform

Also Published As

Publication number Publication date
GB2434341A (en) 2007-07-25
GB0701082D0 (en) 2007-02-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20221027