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GB2188291A - Arrangement in a semisubmersible platform structure - Google Patents

Arrangement in a semisubmersible platform structure

Info

Publication number
GB2188291A
GB2188291A GB08702258A GB8702258A GB2188291A GB 2188291 A GB2188291 A GB 2188291A GB 08702258 A GB08702258 A GB 08702258A GB 8702258 A GB8702258 A GB 8702258A GB 2188291 A GB2188291 A GB 2188291A
Authority
GB
United Kingdom
Prior art keywords
supplementary unit
drilling platform
platform
unit
deck
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.)
Granted
Application number
GB08702258A
Other versions
GB8702258D0 (en
GB2188291B (en
Inventor
Per Chr Sandnaes
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.)
Aker Engineering AS
Original Assignee
Aker Engineering 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
Application filed by Aker Engineering AS filed Critical Aker Engineering AS
Publication of GB8702258D0 publication Critical patent/GB8702258D0/en
Publication of GB2188291A publication Critical patent/GB2188291A/en
Application granted granted Critical
Publication of GB2188291B publication Critical patent/GB2188291B/en
Expired 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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Tents Or Canopies (AREA)
  • Vending Machines For Individual Products (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

A semisubmersible drilling platform has two longitudinal pontoons (1) from which columns (2, 3) extend upwards and support a deck (4). In order to provide a cheap production platform which may permit exploitation of marginal oil fields and concurrently provide alternative employment for such a drilling platform, it is provided with a supplementary unit (6) comprising storage tanks (7) for crude oil. The supplementary unit has an internal access tunnel (10) communicating with the deck (4) through an access shaft (11). The supplementary unit is built as an independent unit having sloptanks (8) and pump rooms (9). The supplementary unit (6) is attached to the pontoons (1) where these have bulkheads, by means of brackets (12). These brackets may simply be burnt through if the platform structure again is to be converted back to a drilling platform, or one may remove only the transverse portions of the supplementary unit and let the longitudinal portions remain in order to give the drilling platform increased carrying capacity.
GB08702258A 1985-07-03 1986-07-01 Arrangement in a semisubmersible platform structure Expired GB2188291B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO852686A NO165631B (en) 1985-07-03 1985-07-03 DEVICE FOR HALF SUBMITTABLE PLATFORM CONSTRUCTION.
PCT/NO1986/000046 WO1987000138A1 (en) 1985-07-03 1986-07-01 Arrangement in a semisubmersible platform structure

Publications (3)

Publication Number Publication Date
GB8702258D0 GB8702258D0 (en) 1987-03-11
GB2188291A true GB2188291A (en) 1987-09-30
GB2188291B GB2188291B (en) 1988-12-07

Family

ID=19888374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08702258A Expired GB2188291B (en) 1985-07-03 1986-07-01 Arrangement in a semisubmersible platform structure

Country Status (3)

Country Link
GB (1) GB2188291B (en)
NO (1) NO165631B (en)
WO (1) WO1987000138A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003070562A1 (en) 2002-02-20 2003-08-28 Ps Comtek Ltd Floating semi-submersible oil production and storage arrangement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458759B (en) * 1988-03-17 1989-05-08 Goetaverken Arendal Ab DEVICE FOR STORAGE OF OIL BY SEMI PLATFORM
US6015245A (en) * 1997-09-08 2000-01-18 Frimm; Fernando C. Semisubmersible offshore vessel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490406A (en) * 1968-08-23 1970-01-20 Offshore Co Stabilized column platform
GB1604357A (en) * 1978-05-31 1981-12-09 British Petroleum Co Offshore structure and method
SE431316B (en) * 1982-06-08 1984-01-30 Goetaverken Arendal Ab OFFSHORE PLATFORM
SE442619B (en) * 1984-06-01 1986-01-20 Goetaverken Arendal Ab OIL STORAGE DEVICE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490406A (en) * 1968-08-23 1970-01-20 Offshore Co Stabilized column platform
GB1604357A (en) * 1978-05-31 1981-12-09 British Petroleum Co Offshore structure and method
SE431316B (en) * 1982-06-08 1984-01-30 Goetaverken Arendal Ab OFFSHORE PLATFORM
SE442619B (en) * 1984-06-01 1986-01-20 Goetaverken Arendal Ab OIL STORAGE DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003070562A1 (en) 2002-02-20 2003-08-28 Ps Comtek Ltd Floating semi-submersible oil production and storage arrangement

Also Published As

Publication number Publication date
NO852686L (en) 1987-01-05
GB8702258D0 (en) 1987-03-11
WO1987000138A1 (en) 1987-01-15
GB2188291B (en) 1988-12-07
NO165631B (en) 1990-12-03

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Legal Events

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

Effective date: 20020701