GB2393152A - Buoyancy element and module - Google Patents

Buoyancy element and module Download PDF

Info

Publication number
GB2393152A
GB2393152A GB0400432A GB0400432A GB2393152A GB 2393152 A GB2393152 A GB 2393152A GB 0400432 A GB0400432 A GB 0400432A GB 0400432 A GB0400432 A GB 0400432A GB 2393152 A GB2393152 A GB 2393152A
Authority
GB
United Kingdom
Prior art keywords
module
buoyancy element
buoyancy
filament
plastics
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
GB0400432A
Other versions
GB2393152B (en
GB0400432D0 (en
Inventor
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 GROUP Ltd
CRP Subsea Ltd
Original Assignee
CRP GROUP Ltd
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 GB0122377A external-priority patent/GB0122377D0/en
Application filed by CRP GROUP Ltd, CRP Group Ltd filed Critical CRP GROUP Ltd
Publication of GB0400432D0 publication Critical patent/GB0400432D0/en
Publication of GB2393152A publication Critical patent/GB2393152A/en
Application granted granted Critical
Publication of GB2393152B publication Critical patent/GB2393152B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tents Or Canopies (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

A buoyancy element (200) is disclosed which comprises a moulded body of plastics-composite material incorporating reinforcement (202) comprising at least one elongate flexible member or filament, embedded in the body and adapted to retain fragments of the buoyancy module together following structural failure of the module.

Description

GB 2393152 A continuation (74) Agent and/or Address for Service: W P
Thompson & Co Coopers Building, Church Street, LIVERPOOL, L1 JAB, United Kingdom
GB0400432A 2001-09-15 2002-09-16 Buoyancy element and module Expired - Fee Related GB2393152B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0122377A GB0122377D0 (en) 2001-09-15 2001-09-15 Buoyancy module
GB0203398A GB0203398D0 (en) 2001-09-15 2002-02-13 Buoyancy element and module
PCT/GB2002/004212 WO2003025331A1 (en) 2001-09-15 2002-09-16 Buoyancy element and module

Publications (3)

Publication Number Publication Date
GB0400432D0 GB0400432D0 (en) 2004-02-11
GB2393152A true GB2393152A (en) 2004-03-24
GB2393152B GB2393152B (en) 2004-08-04

Family

ID=26246554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0400432A Expired - Fee Related GB2393152B (en) 2001-09-15 2002-09-16 Buoyancy element and module

Country Status (4)

Country Link
US (2) US7214114B2 (en)
BR (1) BR0211516B1 (en)
GB (1) GB2393152B (en)
WO (1) WO2003025331A1 (en)

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US9908594B2 (en) * 2016-04-29 2018-03-06 Expert E&P Consultants, L.L.C. Flotation system and method
GB2551816B (en) * 2016-06-30 2019-04-03 Trelleborg Offshore Uk Ltd Stacked buoyancy module for a subsea member
US10107048B2 (en) * 2016-09-29 2018-10-23 Ensco International Incorporated Weathervaning riser joint
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US10371288B1 (en) 2018-10-22 2019-08-06 Chevron U.S.A. Inc. Apparatus and method for reducing impact of stresses on a subsea pipeline
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US11572751B2 (en) * 2020-07-08 2023-02-07 Saudi Arabian Oil Company Expandable meshed component for guiding an untethered device in a subterranean well
US11555358B1 (en) * 2022-03-16 2023-01-17 Professional Rental Tools, LLC Method and apparatus for protection of control lines and other equipment

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Publication number Priority date Publication date Assignee Title
US4057450A (en) * 1976-12-30 1977-11-08 Hitco Method for making buoyancy members
US4474129A (en) * 1982-04-29 1984-10-02 W. R. Grace & Co. Riser pipe fairing
US4634314A (en) * 1984-06-26 1987-01-06 Vetco Offshore Inc. Composite marine riser system
WO2000031169A1 (en) * 1998-11-26 2000-06-02 Adtech Limited Composite materials for use in buoyancy applications

Also Published As

Publication number Publication date
GB2393152B (en) 2004-08-04
BR0211516A (en) 2004-09-14
GB0400432D0 (en) 2004-02-11
US20040266290A1 (en) 2004-12-30
US20080017385A1 (en) 2008-01-24
US7214114B2 (en) 2007-05-08
WO2003025331A1 (en) 2003-03-27
BR0211516B1 (en) 2012-02-07

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Legal Events

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

Effective date: 20080916

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: 20160916