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GB2390109A - Nonstructural buoyancy can - Google Patents

Nonstructural buoyancy can Download PDF

Info

Publication number
GB2390109A
GB2390109A GB0320568A GB0320568A GB2390109A GB 2390109 A GB2390109 A GB 2390109A GB 0320568 A GB0320568 A GB 0320568A GB 0320568 A GB0320568 A GB 0320568A GB 2390109 A GB2390109 A GB 2390109A
Authority
GB
United Kingdom
Prior art keywords
buoyancy
frame
nonstructural
buoyancy element
floating facility
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
GB0320568A
Other versions
GB2390109B (en
GB0320568D0 (en
Inventor
Brad R Campbell
Paul Berner
Mehrdad Mortazavi
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.)
ExxonMobil Upstream Research Co
Original Assignee
ExxonMobil Upstream Research Co
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 ExxonMobil Upstream Research Co filed Critical ExxonMobil Upstream Research Co
Publication of GB0320568D0 publication Critical patent/GB0320568D0/en
Publication of GB2390109A publication Critical patent/GB2390109A/en
Application granted granted Critical
Publication of GB2390109B publication Critical patent/GB2390109B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Earth Drilling (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

A riser tensioning device for use on an offshore floating facility includes a buoyancy element (65) and a frame (60). The frame (60) accepts external loads caused by movement of the floating facility and wave and/or current action that would otherwise act on the buoyancy element. The frame (60, 75) can be made positively or neutrally buoyant so that the weight of the frame does not counteract the buoyancy provided by the buoyancy element (65).

Description

GO 2390109 A continuation (72) Inventor(s): Brad R Campbell Paul Berner
Mehrdad Mortazavl (74) Agent and/or Address for Service: Abel & Imray 20 Red Lion Street, LONDON, WC1R 4PQ, United Kingdom
GB0320568A 2001-02-05 2002-02-04 Nonstructural buoyancy can Expired - Fee Related GB2390109B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26658301P 2001-02-05 2001-02-05
PCT/US2002/003135 WO2002063127A1 (en) 2001-02-05 2002-02-04 Nonstructural buoyancy can

Publications (3)

Publication Number Publication Date
GB0320568D0 GB0320568D0 (en) 2003-10-01
GB2390109A true GB2390109A (en) 2003-12-31
GB2390109B GB2390109B (en) 2005-01-05

Family

ID=23015179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0320568A Expired - Fee Related GB2390109B (en) 2001-02-05 2002-02-04 Nonstructural buoyancy can

Country Status (4)

Country Link
US (1) US20020142683A1 (en)
GB (1) GB2390109B (en)
NO (1) NO20033467L (en)
WO (1) WO2002063127A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0122451D0 (en) * 2001-09-18 2001-11-07 2H Offshore Engineering Ltd Buoyancy apparatus
GB2380747B (en) * 2001-10-10 2005-12-21 Rockwater Ltd A riser and method of installing same
US7059416B2 (en) * 2003-11-21 2006-06-13 Technip France Buoyancy can for offshore oil and gas riser
NO325540B1 (en) * 2005-02-11 2008-06-16 Nexans Umbilical and method of its preparation
CN102132001B (en) * 2008-08-21 2014-06-25 国际壳牌研究有限公司 Installation or removal of subsea structures
GB2582576B (en) 2019-03-25 2021-09-29 Acergy France SAS Pressure-resistant buoys

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952526A (en) * 1975-02-03 1976-04-27 Regan Offshore International, Inc. Flexible supportive joint for sub-sea riser flotation means
US4099560A (en) * 1974-10-02 1978-07-11 Chevron Research Company Open bottom float tension riser
US4634314A (en) * 1984-06-26 1987-01-06 Vetco Offshore Inc. Composite marine riser system
US4646840A (en) * 1985-05-02 1987-03-03 Cameron Iron Works, Inc. Flotation riser
EP0459649A1 (en) * 1990-05-30 1991-12-04 Conoco Phillips Company Inflatable buoyant near surface riser disconnect system
US6371697B2 (en) * 1999-04-30 2002-04-16 Abb Lummus Global, Inc. Floating vessel for deep water drilling and production
US6375391B1 (en) * 1999-03-25 2002-04-23 Pgs Offshore Technology As Guide device for production risers for petroleum production with a “dry tree semisubmersible” at large sea depths

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740109A (en) * 1985-09-24 1988-04-26 Horton Edward E Multiple tendon compliant tower construction
US5758990A (en) * 1997-02-21 1998-06-02 Deep Oil Technology, Incorporated Riser tensioning device
US6488447B1 (en) * 2000-05-15 2002-12-03 Edo Corporation Composite buoyancy module
US6632112B2 (en) * 2000-11-30 2003-10-14 Edo Corporation, Fiber Science Division Buoyancy module with external frame

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099560A (en) * 1974-10-02 1978-07-11 Chevron Research Company Open bottom float tension riser
US3952526A (en) * 1975-02-03 1976-04-27 Regan Offshore International, Inc. Flexible supportive joint for sub-sea riser flotation means
US4634314A (en) * 1984-06-26 1987-01-06 Vetco Offshore Inc. Composite marine riser system
US4646840A (en) * 1985-05-02 1987-03-03 Cameron Iron Works, Inc. Flotation riser
EP0459649A1 (en) * 1990-05-30 1991-12-04 Conoco Phillips Company Inflatable buoyant near surface riser disconnect system
US6375391B1 (en) * 1999-03-25 2002-04-23 Pgs Offshore Technology As Guide device for production risers for petroleum production with a “dry tree semisubmersible” at large sea depths
US6371697B2 (en) * 1999-04-30 2002-04-16 Abb Lummus Global, Inc. Floating vessel for deep water drilling and production

Also Published As

Publication number Publication date
US20020142683A1 (en) 2002-10-03
GB2390109B (en) 2005-01-05
NO20033467D0 (en) 2003-08-05
NO20033467L (en) 2003-10-06
GB0320568D0 (en) 2003-10-01
WO2002063127A1 (en) 2002-08-15

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Legal Events

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

Effective date: 20080204