GB2385648A - Protection of underwater elongate members - Google Patents

Protection of underwater elongate members

Info

Publication number
GB2385648A
GB2385648A GB0304462A GB0304462A GB2385648A GB 2385648 A GB2385648 A GB 2385648A GB 0304462 A GB0304462 A GB 0304462A GB 0304462 A GB0304462 A GB 0304462A GB 2385648 A GB2385648 A GB 2385648A
Authority
GB
United Kingdom
Prior art keywords
protection
elongate members
underwater
depressions
cylindrical outer
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.)
Granted
Application number
GB0304462A
Other versions
GB2385648B (en
GB0304462D0 (en
Inventor
Group Limited Crp
Robert Gibson
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.)
CRP Subsea Ltd
Original Assignee
CRP Group Ltd
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
Priority claimed from GB0021142A external-priority patent/GB0021142D0/en
Application filed by CRP Group Ltd filed Critical CRP Group Ltd
Publication of GB0304462D0 publication Critical patent/GB0304462D0/en
Publication of GB2385648A publication Critical patent/GB2385648A/en
Application granted granted Critical
Publication of GB2385648B publication Critical patent/GB2385648B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

An underwater cladding (10) for an elongate member such as a pipe, has a substantially cylindrical outer surface with a plurality of depressions (18) therein. The provision of depressions in an otherwise cylindrical outer surface of a cladding interrupts or reduces vortex induced vibrations and the absence of projections facilitates use with conventional pipe-laying equipment.
GB0304462A 2000-08-30 2001-08-23 Protection of underwater elongate members Expired - Fee Related GB2385648B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0021142A GB0021142D0 (en) 2000-08-30 2000-08-30 Protection of underwater elongate members
GB0104464A GB0104464D0 (en) 2000-08-30 2001-02-23 Protection of underwater elongate members
PCT/GB2001/003792 WO2002018709A1 (en) 2000-08-30 2001-08-23 Protection of underwater elongate members

Publications (3)

Publication Number Publication Date
GB0304462D0 GB0304462D0 (en) 2003-04-02
GB2385648A true GB2385648A (en) 2003-08-27
GB2385648B GB2385648B (en) 2003-12-03

Family

ID=26244921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0304462A Expired - Fee Related GB2385648B (en) 2000-08-30 2001-08-23 Protection of underwater elongate members

Country Status (4)

Country Link
US (1) US20040013473A1 (en)
AU (1) AU2001282324A1 (en)
GB (1) GB2385648B (en)
WO (1) WO2002018709A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592072A (en) 2020-02-17 2021-08-18 Trelleborg Offshore Uk Ltd Cladding

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4288314B2 (en) * 2002-03-22 2009-07-01 Ｓｍｃ株式会社 Pipe fitting
US7104219B2 (en) * 2002-06-04 2006-09-12 Frantz Anthony F Piling decontamination and marine life enhancement system
NO320257B1 (en) * 2004-02-18 2005-11-14 Sverre Meisingset Device for protection of an elongated element on the seabed and method of installation of the same.
WO2007008054A1 (en) * 2005-07-12 2007-01-18 Instituto Politécnico Nacional Mould for creating artificial roughness that protects against scouring
US7628569B2 (en) * 2005-07-12 2009-12-08 Bonilla Gris Robie Covering element for protecting structures against scouring and drag force
GB2445751B (en) * 2007-01-17 2009-02-25 Trelleborg Crp Ltd Fairing
US20080302537A1 (en) * 2007-06-07 2008-12-11 Mcmiles Barry James Dimpled riser floatation module
US7766580B2 (en) * 2008-02-14 2010-08-03 National Oilwell Varco, L.P. Energy managing keel joint
BE1019908A4 (en) * 2011-04-18 2013-02-05 Geosea N V AVAILABLE OFFSHORE PLATFORM AND METHOD FOR SUPPRESSING LATERAL OSCILLATING MOVEMENTS.
US8770894B1 (en) * 2011-12-27 2014-07-08 VIV Solutions LLC Helical strakes with molded in stand-offs
US9869128B1 (en) 2012-11-24 2018-01-16 VIV Solutions LLC Installation systems and methodology for helical strake fins
US20160097175A1 (en) * 2013-03-26 2016-04-07 Alton F. Parker Aggregate replacement
KR101382127B1 (en) * 2013-06-19 2014-04-07 한국지질자원연구원 Riser having vortex induced vibration reducing structure for offshore plant and manufacturing method thereof
CN104453730A (en) * 2014-11-10 2015-03-25 西南石油大学 Buoyancy block surface structure for reducing ocean current resistance borne by waterproof pipe column
NL2013819B1 (en) * 2014-11-17 2016-10-10 Lankhorst Eng Products B V Cladding sleeve for enclosing an underwater pipe.
US10865910B1 (en) 2015-04-17 2020-12-15 VIV Solutions LLC Coupled fairing systems
US10337649B1 (en) 2016-03-02 2019-07-02 VIV Solutions LLC Strake system
US10473131B1 (en) 2016-07-10 2019-11-12 VIV Solutions LLC Helical strakes and collar
WO2019077370A1 (en) * 2017-10-20 2019-04-25 Balmoral Comtec Limited A cylindrical element profiled to reduce vortex induced vibration (viv) and/or drag
US11261675B2 (en) 2018-01-16 2022-03-01 VIV Solutions LLC Methods for constructing a helical strake segment using one or more shell sections and fins
CN108194035B (en) * 2018-02-01 2024-01-30 江苏科技大学 Device and method for suppressing vortex-induced vibration of marine riser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279368A (en) * 1989-09-29 1994-01-18 British Pipe Coaters Limited Anti-fouling covering for use in sub-sea structures
WO1999005389A1 (en) * 1997-07-23 1999-02-04 Cuming Corporation A floating system for a marine riser
US5939643A (en) * 1996-08-21 1999-08-17 Endress + Hauser Flowtec Ag Vortex flow sensor with a cylindrical bluff body having roughned surface
DE19840303A1 (en) * 1998-09-04 2000-03-09 Brandhorst Ingo Micro turbulence generator system to reduce flow losses for motor vehicles consists of grained parts imprinted on self-adhesive foil for e.g. Formula 1 racing cars

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610034A (en) * 1982-09-07 1986-09-09 Johnson Sam E Shoulder protection device
GB2153962A (en) * 1984-02-04 1985-08-29 British Petroleum Co Plc Riser shroud
GB2180870B (en) * 1985-09-25 1989-10-04 Nippon Kokan Kk Semi-submersible construction
IT231394Y1 (en) * 1993-05-21 1999-08-03 Italiana Serrature Torino FLEXIBLE HOSE WITH TEMPERATURE AND / OR PRESSURE TIGHTNESS FEATURES
US5862772A (en) * 1996-12-26 1999-01-26 Emerson & Cumingcomposite Materials, Inc. Damage control materials for warship construction
US6102611A (en) * 1997-08-13 2000-08-15 Hero Products, Inc. Apparatus for protecting structural supports
GB2335248B (en) 1998-03-07 2002-12-31 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
US5279368A (en) * 1989-09-29 1994-01-18 British Pipe Coaters Limited Anti-fouling covering for use in sub-sea structures
US5939643A (en) * 1996-08-21 1999-08-17 Endress + Hauser Flowtec Ag Vortex flow sensor with a cylindrical bluff body having roughned surface
WO1999005389A1 (en) * 1997-07-23 1999-02-04 Cuming Corporation A floating system for a marine riser
DE19840303A1 (en) * 1998-09-04 2000-03-09 Brandhorst Ingo Micro turbulence generator system to reduce flow losses for motor vehicles consists of grained parts imprinted on self-adhesive foil for e.g. Formula 1 racing cars

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592072A (en) 2020-02-17 2021-08-18 Trelleborg Offshore Uk Ltd Cladding
WO2021165669A1 (en) 2020-02-17 2021-08-26 Trelleborg Offshore Uk Ltd Cladding

Also Published As

Publication number Publication date
US20040013473A1 (en) 2004-01-22
GB2385648B (en) 2003-12-03
AU2001282324A1 (en) 2002-03-13
GB0304462D0 (en) 2003-04-02
WO2002018709A1 (en) 2002-03-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080823

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20090910

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150823