GB1488065A - Method of constructing drilling and production platforms for the oil industry - Google Patents

Method of constructing drilling and production platforms for the oil industry

Info

Publication number
GB1488065A
GB1488065A GB41923/75A GB4192375A GB1488065A GB 1488065 A GB1488065 A GB 1488065A GB 41923/75 A GB41923/75 A GB 41923/75A GB 4192375 A GB4192375 A GB 4192375A GB 1488065 A GB1488065 A GB 1488065A
Authority
GB
United Kingdom
Prior art keywords
base
units
floating
assemblies
tethered
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
Application number
GB41923/75A
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.)
Armerad Betong AB
Original Assignee
Armerad Betong AB
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 Armerad Betong AB filed Critical Armerad Betong AB
Publication of GB1488065A publication Critical patent/GB1488065A/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 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • 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
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B2001/044—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

1488065 Tethered concrete platforms ARMERAD BETONG AB 14 Oct 1975 [15 Oct 1974] 41923/75 Heading E1H A tethered concrete platform is built without the need of a dry dock by firstly casting a plurality of hollow buoyant base units, floating these units, joining groups of floating base units together end to end to form base sub assemblies 23, connecting a plurality of the base sub assemblies 23 together by cross members 24 to form floating base assemblies 25 and then joining two of the assemblies 25 together by cross members 26 to form a buoyant base 27. Columns 30 are then cast on the base 27 and a deck 32 is mounted on the columns by ballasting the base units to submerge the base 27 to a depth where the deck 32 may be floated over the columns' tops on two pontoons. At the operational site, the platform is tethered by mooring cables 35. The base units have a plurality of axially extending passages in their peripheral walls and steel rods pass through these passages to connect a plurality of base units together end to end to form a floating base sub assembly 23.
GB41923/75A 1974-10-15 1975-10-14 Method of constructing drilling and production platforms for the oil industry Expired GB1488065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7412940A SE7412940L (en) 1974-10-15 1974-10-15 KIT FOR MANUFACTURE OF DRILLING AND PRODUCTION PLATFORMS FOR THE OIL INDUSTRY

Publications (1)

Publication Number Publication Date
GB1488065A true GB1488065A (en) 1977-10-05

Family

ID=20322407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41923/75A Expired GB1488065A (en) 1974-10-15 1975-10-14 Method of constructing drilling and production platforms for the oil industry

Country Status (3)

Country Link
GB (1) GB1488065A (en)
NO (1) NO753419L (en)
SE (1) SE7412940L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2387232A1 (en) * 2012-07-18 2012-09-18 Universidad De Cantabria Semi-submersible platform for use in the open sea
ES2387342A1 (en) * 2012-07-18 2012-09-20 Universidad De Cantabria Semi-submersible triangular platform for use in the open sea

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2387232A1 (en) * 2012-07-18 2012-09-18 Universidad De Cantabria Semi-submersible platform for use in the open sea
ES2387342A1 (en) * 2012-07-18 2012-09-20 Universidad De Cantabria Semi-submersible triangular platform for use in the open sea
WO2014013098A1 (en) * 2012-07-18 2014-01-23 Universidad De Cantabria Semi-submersible platform for use in the open sea
WO2014013097A1 (en) * 2012-07-18 2014-01-23 Universidad De Cantabria Semi-submersible triangular platform for use in the open sea

Also Published As

Publication number Publication date
SE7412940L (en) 1976-04-20
NO753419L (en) 1976-04-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee