WO2002040875A3 - Protection of underwater elongate members - Google Patents

Protection of underwater elongate members Download PDF

Info

Publication number
WO2002040875A3
WO2002040875A3 PCT/GB2001/005024 GB0105024W WO0240875A3 WO 2002040875 A3 WO2002040875 A3 WO 2002040875A3 GB 0105024 W GB0105024 W GB 0105024W WO 0240875 A3 WO0240875 A3 WO 0240875A3
Authority
WO
WIPO (PCT)
Prior art keywords
protection
elongate members
underwater
elongate member
underwater elongate
Prior art date
Application number
PCT/GB2001/005024
Other languages
French (fr)
Other versions
WO2002040875A2 (en
Inventor
Robert Gibson
Original Assignee
Crp Group Ltd
Robert Gibson
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 Crp Group Ltd, Robert Gibson filed Critical Crp Group Ltd
Priority to AU2002223806A priority Critical patent/AU2002223806A1/en
Priority to GB0308660A priority patent/GB2386662B/en
Publication of WO2002040875A2 publication Critical patent/WO2002040875A2/en
Publication of WO2002040875A3 publication Critical patent/WO2002040875A3/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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • 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
    • 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
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/36—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using mechanical means
    • 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 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/56—Towing or pushing equipment
    • B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
    • B63B21/663—Fairings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

An underwater cladding for an elongate member such as a pipe (10) has outwardly projecting flexible members (16, 24, 28) which are deformed by a current flow to guide water around the elongate member. The elongate members may be in the form of strands or fingers (16), narrow flaps (24) or longitudinally extending flaps (28).
PCT/GB2001/005024 2000-11-15 2001-11-15 Protection of underwater elongate members WO2002040875A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002223806A AU2002223806A1 (en) 2000-11-15 2001-11-15 Protection of underwater elongate members
GB0308660A GB2386662B (en) 2000-11-15 2001-11-15 Protection of underwater elongate members

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0027858.0 2000-11-15
GBGB0027858.0A GB0027858D0 (en) 2000-11-15 2000-11-15 Protection of underwater elongate members

Publications (2)

Publication Number Publication Date
WO2002040875A2 WO2002040875A2 (en) 2002-05-23
WO2002040875A3 true WO2002040875A3 (en) 2002-08-01

Family

ID=9903213

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/005024 WO2002040875A2 (en) 2000-11-15 2001-11-15 Protection of underwater elongate members

Country Status (3)

Country Link
AU (1) AU2002223806A1 (en)
GB (2) GB0027858D0 (en)
WO (1) WO2002040875A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726407B1 (en) * 2002-10-30 2004-04-27 Spx Corporation Retractable radome strake and method
EP4211706A1 (en) * 2020-09-08 2023-07-19 RWE Offshore Wind GmbH Submarine cable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296357A (en) * 1963-10-22 1967-01-03 Greber Henry Device to prevent vibration of aerial conductors
US3352118A (en) * 1965-08-11 1967-11-14 Exxon Production Research Co Frictional drag reducer for immersed bodies
DE3710691A1 (en) * 1987-03-31 1988-10-13 Josef Kecur Surface coating for aerodynamically active parts
EP0375586A2 (en) * 1988-12-20 1990-06-27 José Javier Doria Iriarte Aerodynamic casing which is adaptable shape depending on the action of the flow released

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440991A (en) * 1965-01-29 1969-04-29 Us Navy Hair faired cable
US3368514A (en) * 1965-10-22 1968-02-13 Navy Usa Symmetrical self-alining cable fairing
US3472196A (en) * 1968-01-17 1969-10-14 Us Navy Fairings for underwater cables,towlines and structural members
US3895595A (en) * 1974-02-11 1975-07-22 Us Navy Paired cable drag reduction with non-newtonian fluids
US3975980A (en) * 1974-08-21 1976-08-24 Wall Industries, Inc. Method and apparatus for manufacturing faired article
US4756270A (en) * 1980-08-05 1988-07-12 Berk-Tek, Inc. Hair faired cables and method of making same
DE3701069A1 (en) * 1986-02-06 1987-08-13 Josef Witzel Pincers
US5275120A (en) * 1992-09-23 1994-01-04 The United States Of America As Represented By The Secretary Of The Navy Strum-suppressant cable for towed arrays
GB9622448D0 (en) * 1996-10-29 1997-01-08 Nicc Ltd Improvements relating to pile wrappers
GB2378493B (en) * 1998-03-07 2003-04-09 Crp Group Ltd Protection of underwater elongate members

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296357A (en) * 1963-10-22 1967-01-03 Greber Henry Device to prevent vibration of aerial conductors
US3352118A (en) * 1965-08-11 1967-11-14 Exxon Production Research Co Frictional drag reducer for immersed bodies
DE3710691A1 (en) * 1987-03-31 1988-10-13 Josef Kecur Surface coating for aerodynamically active parts
EP0375586A2 (en) * 1988-12-20 1990-06-27 José Javier Doria Iriarte Aerodynamic casing which is adaptable shape depending on the action of the flow released

Also Published As

Publication number Publication date
GB0308660D0 (en) 2003-05-21
GB0027858D0 (en) 2000-12-27
GB2386662B (en) 2004-07-28
AU2002223806A1 (en) 2002-05-27
WO2002040875A2 (en) 2002-05-23
GB2386662A (en) 2003-09-24

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