GB2469589A - Systems and methods for reducing drag and/or vortex induced vibration - Google Patents

Systems and methods for reducing drag and/or vortex induced vibration Download PDF

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Publication number
GB2469589A
GB2469589A GB1011266A GB201011266A GB2469589A GB 2469589 A GB2469589 A GB 2469589A GB 1011266 A GB1011266 A GB 1011266A GB 201011266 A GB201011266 A GB 201011266A GB 2469589 A GB2469589 A GB 2469589A
Authority
GB
United Kingdom
Prior art keywords
systems
methods
induced vibration
reducing drag
vortex induced
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.)
Withdrawn
Application number
GB1011266A
Other versions
GB201011266D0 (en
Inventor
Li Lee
Donald Wayne Allen
Dean Leroy Henning
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB201011266D0 publication Critical patent/GB201011266D0/en
Publication of GB2469589A publication Critical patent/GB2469589A/en
Withdrawn legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • E21B17/012—Risers with buoyancy elements
    • 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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Earth Drilling (AREA)

Abstract

A system comprising a structure; a long fairing comprising a chord to thickness ratio of at least about 1.7; and a short fairing comprising a chord to thickness ratio less than about 1.7.
GB1011266A 2008-02-12 2009-02-10 Systems and methods for reducing drag and/or vortex induced vibration Withdrawn GB2469589A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2808708P 2008-02-12 2008-02-12
PCT/US2009/033667 WO2009102711A1 (en) 2008-02-12 2009-02-10 Systems and methods for reducing drag and/or vortex induced vibration

Publications (2)

Publication Number Publication Date
GB201011266D0 GB201011266D0 (en) 2010-08-18
GB2469589A true GB2469589A (en) 2010-10-20

Family

ID=40957244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1011266A Withdrawn GB2469589A (en) 2008-02-12 2009-02-10 Systems and methods for reducing drag and/or vortex induced vibration

Country Status (4)

Country Link
BR (1) BRPI0908781A2 (en)
GB (1) GB2469589A (en)
MX (1) MX2010008644A (en)
WO (1) WO2009102711A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078605A (en) * 1977-02-25 1978-03-14 Cameron Iron Works, Inc. Riser pipe string
US6179524B1 (en) * 1996-11-15 2001-01-30 Shell Oil Company Staggered fairing system for suppressing vortex-induced-vibration
US6223672B1 (en) * 1996-11-15 2001-05-01 Shell Oil Company Ultrashort fairings for suppressing vortex-induced-vibration
US7017666B1 (en) * 1999-09-16 2006-03-28 Shell Oil Company Smooth sleeves for drag and VIV reduction of cylindrical structures

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078605A (en) * 1977-02-25 1978-03-14 Cameron Iron Works, Inc. Riser pipe string
US6179524B1 (en) * 1996-11-15 2001-01-30 Shell Oil Company Staggered fairing system for suppressing vortex-induced-vibration
US6223672B1 (en) * 1996-11-15 2001-05-01 Shell Oil Company Ultrashort fairings for suppressing vortex-induced-vibration
US7017666B1 (en) * 1999-09-16 2006-03-28 Shell Oil Company Smooth sleeves for drag and VIV reduction of cylindrical structures

Also Published As

Publication number Publication date
MX2010008644A (en) 2010-08-31
GB201011266D0 (en) 2010-08-18
WO2009102711A1 (en) 2009-08-20
BRPI0908781A2 (en) 2015-07-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)