OA11137A - Spar with features against vortex induced vibrations - Google Patents

Spar with features against vortex induced vibrations Download PDF

Info

Publication number
OA11137A
OA11137A OA9900147A OA9900147A OA11137A OA 11137 A OA11137 A OA 11137A OA 9900147 A OA9900147 A OA 9900147A OA 9900147 A OA9900147 A OA 9900147A OA 11137 A OA11137 A OA 11137A
Authority
OA
OAPI
Prior art keywords
buoyant
spar
spar platform
buoyancy
riser
Prior art date
Application number
OA9900147A
Other languages
English (en)
Inventor
Donald Wayne Allen
Stephen William Balint
Bobby Eugene Cox
David Wayne Mcmillan
Fischer Ferdinand Joseph Iii
Dean Leroy Henning
Anders Gustaf Conny Ekvall
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of OA11137A publication Critical patent/OA11137A/en

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
    • B63B35/4406—Articulated towers, i.e. substantially floating structures comprising a slender tower-like hull anchored relative to the marine bed by means of a single articulation, e.g. using an articulated bearing
    • 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
    • B63B1/048—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with hull extending principally vertically
    • 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
    • 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
    • B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/067—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Impact Printers (AREA)
  • Revetment (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
OA9900147A 1996-12-31 1999-06-30 Spar with features against vortex induced vibrations OA11137A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3446396P 1996-12-31 1996-12-31
US3446996P 1996-12-31 1996-12-31
US3446496P 1996-12-31 1996-12-31
US3446296P 1996-12-31 1996-12-31

Publications (1)

Publication Number Publication Date
OA11137A true OA11137A (en) 2003-04-16

Family

ID=27488219

Family Applications (1)

Application Number Title Priority Date Filing Date
OA9900147A OA11137A (en) 1996-12-31 1999-06-30 Spar with features against vortex induced vibrations

Country Status (7)

Country Link
BR (1) BR9714118A (id)
GB (1) GB2334919B (id)
ID (1) ID22474A (id)
MY (1) MY119621A (id)
NO (1) NO317001B1 (id)
OA (1) OA11137A (id)
WO (1) WO1998029299A1 (id)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0810723A8 (pt) * 2007-04-13 2019-01-22 Shell Int Research plataforma de tirante.
US20100260554A1 (en) * 2009-04-09 2010-10-14 Yun Ding Heave plate on floating offshore structure
NO20100038A1 (no) 2010-01-11 2011-07-13 Sebastian Salvesen Adams Pressapnet emballasje med helletrakt
NO332120B1 (no) 2010-04-15 2012-06-25 Aker Engineering & Technology Flytende understell
CN102509024B (zh) * 2011-11-25 2015-01-21 中国海洋大学 一种深水浮筒平台的自激振荡分析方法
CN102501949B (zh) * 2011-12-27 2014-10-29 大连理工大学 一种多立柱桁架式平台

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951086A (en) * 1973-05-31 1976-04-20 The United States Of America As Represented By The Secretary Of The Navy Floating support structure
US3978804A (en) * 1973-10-15 1976-09-07 Amoco Production Company Riser spacers for vertically moored platforms
US4155673A (en) * 1977-05-26 1979-05-22 Mitsui Engineering & Shipbuilding Co. Ltd. Floating structure
US4398487A (en) * 1981-06-26 1983-08-16 Exxon Production Research Co. Fairing for elongated elements
FR2540065B1 (fr) * 1983-02-01 1993-03-26 Creusot Loire Structure flottante et lestee, maintenue sur son site en mer ouverte

Also Published As

Publication number Publication date
WO1998029299A1 (en) 1998-07-09
GB2334919A (en) 1999-09-08
BR9714118A (pt) 2000-03-21
NO317001B1 (no) 2004-07-19
GB2334919B (en) 2001-02-07
ID22474A (id) 1999-10-21
GB9914252D0 (en) 1999-08-18
NO993187D0 (no) 1999-06-25
MY119621A (en) 2005-06-30
NO993187L (no) 1999-06-25

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