BRPI0818644A2 - system for reducing drag and / or vortex-induced vibration of a structure, and method for modifying a drag-induced structure and / or vortex-induced vibrations - Google Patents

system for reducing drag and / or vortex-induced vibration of a structure, and method for modifying a drag-induced structure and / or vortex-induced vibrations

Info

Publication number
BRPI0818644A2
BRPI0818644A2 BRPI0818644A BRPI0818644A BRPI0818644A2 BR PI0818644 A2 BRPI0818644 A2 BR PI0818644A2 BR PI0818644 A BRPI0818644 A BR PI0818644A BR PI0818644 A BRPI0818644 A BR PI0818644A BR PI0818644 A2 BRPI0818644 A2 BR PI0818644A2
Authority
BR
Brazil
Prior art keywords
induced
vortex
drag
modifying
vibrations
Prior art date
Application number
BRPI0818644A
Other languages
Portuguese (pt)
Inventor
Leroy Henning Dean
Wayne Allen Donald
Lee Li
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 BRPI0818644A2 publication Critical patent/BRPI0818644A2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • 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
    • B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations
    • 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
    • E02B17/0017—Means for protecting offshore constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • B63B2021/504—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs comprising suppressors for vortex induced vibrations
    • 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 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/123—Devices for the protection of pipes under water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Exhaust Silencers (AREA)
  • Earth Drilling (AREA)
  • Vibration Prevention Devices (AREA)
BRPI0818644A 2007-10-05 2008-10-02 system for reducing drag and / or vortex-induced vibration of a structure, and method for modifying a drag-induced structure and / or vortex-induced vibrations BRPI0818644A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97768607P 2007-10-05 2007-10-05
PCT/US2008/078541 WO2009046166A1 (en) 2007-10-05 2008-10-02 Systems and methods for reducing drag and/or vortex induced vibration

Publications (1)

Publication Number Publication Date
BRPI0818644A2 true BRPI0818644A2 (en) 2017-05-23

Family

ID=40526659

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818644A BRPI0818644A2 (en) 2007-10-05 2008-10-02 system for reducing drag and / or vortex-induced vibration of a structure, and method for modifying a drag-induced structure and / or vortex-induced vibrations

Country Status (5)

Country Link
BR (1) BRPI0818644A2 (en)
GB (1) GB2466154A (en)
MX (1) MX2010003690A (en)
NO (1) NO20100633L (en)
WO (1) WO2009046166A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010129222A2 (en) * 2009-04-28 2010-11-11 Shell Oil Company Systems and methods for reducing drag and/or vortex induced vibration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305194A (en) * 1960-03-08 1967-02-21 Robert G Conard Wind-insensitive missile
US3818833A (en) * 1972-08-18 1974-06-25 Fmc Corp Independent multiple head forward firing system

Also Published As

Publication number Publication date
MX2010003690A (en) 2010-06-02
NO20100633L (en) 2010-05-03
WO2009046166A1 (en) 2009-04-09
GB201005690D0 (en) 2010-05-19
GB2466154A (en) 2010-06-16

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]